WEBVTT

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Each have additional controls. Those typically appear in the upper right or upper middle of your screen, and so you can zoom in, adjust the scale go in and out of full screen as needed.

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As pointed out that CC. Or closed caption icon is at the bottom, and then the all important QA. Window is available throughout our entire comments.

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So those very brief technical reminders, I think we're ready to get started. And I see your very 1st speaker who's going to start today's session. So I'm gonna put the camera on you, Emmy, and I will turn the floor over to you to give a quick introduction and overview to the series.

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Sure. Thank you so much.

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We're very excited to be bringing you another webinar as part of the Federal Facilities Academy. My name is Emiliha, and I am in the Federal facilities, restoration and reuse office. And our office developed this training, which is entirely voluntary, but it's really geared to our EPA remedial project managers and those project managers from other Federal State agencies.

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Tribal representatives! All who work on Federal facility, cleanups.

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So we're glad you're here. Jean is gonna talk a little bit more about how to get credit for taking this webinar and others. Should you choose to complete all the webinars.

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And in person training to receive a certificate of completion which is issued from our director of the Federal Facilities program. Jane, would you take them through the rest.

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Sure thanks so much, Amy.

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So as Emmy highlighted, there are a series of courses that will be hosting live here through clue. In so all 11 webinars are open to the public and be can be taken, either live online or replayed through a recorded or archived version for each and every one of the online versions. Whether you take it, live or you watch the recorded version, you can earn a participation certificate after the live delivery or watching the recorded version.

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And I'll provide instructions on how you can access that at the end of today's class.

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The in person. 3 day classroom opportunity is open to a limited audience, to Federal State, tribal, or other regulators. If you qualify for that, and you're able to attend the 3 day classroom training in person.

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If you complete that as well as all of the online courses. Again, either any mix of online or in person for those webinars.

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Pardon me, online or replayed online for those webinars. And you do that in person training live.

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You'll receive that Academy certificate that acknowledges that you did everything online and completed that in-person training.

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So if you have any questions about the certificates, or how to complete these courses, you are certainly welcome to reach out, and again I'll follow up and provide a reminder before we close out with today's webinar.

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Alright, Amy. So I'm gonna switch out the presentation and call up our slides.

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And I will turn the floor over to our speakers to officially begin today's session.

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Alright, everyone. Let's go ahead and get started. As you mentioned today, we're going to be going over performance measures and environmental indicators. We have a number of speakers helping to deliver the training today and invite them to introduce themselves.

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When it's their turn to speak.

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But before we get into content we'd like to start with a group. Poll.

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Just to get to know our audience a little bit better. Jean, will you take us through the poll.

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Sure I will. So in this case I'm gonna ask everyone to use the Q. And A to respond to the question that you see on the screen. It's a faster way for us to see those results.

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So I'll ask you each to take a moment and think about the following question, what type of performance measures are important to your agency at your Federal facility site.

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If you can think about that question and then share a short response in the Q. And A could be just a word or 2 or a full sentence if you can get one in, if it's not applicable. Perhaps you don't have a Federal facility site, you can also chime in with that. I'm gonna monitor the responses as they start coming in from the audience. And I'll share that with Emmy and as well with all of you, so we can get a sense of what performance measures are important at the respective agencies that are here.

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So I mean, I'm seeing responses come in, and some attendees are noting, or Cpi. I don't know if you know that acronym.

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And if you don't, I'll ask the attendee if they could spell out that acronym. But I'm seeing a number of people mentioned environmental indicators.

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Safety rods, feasibility, studies.

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We have some indicating Qaq. Or new cleanup technologies. Concentration trends Mcs some people don't yet have the Federal facility.

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I have others that are looking at safety concerns. I'm seeing things achieving clean up levels in their rod. Public safety, groundwater, human health.

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I also see another acronym, mda.

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Or Dq. O.

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So I know, Dqos, are those data quality.

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Mda, I think that's a new one. So I mean, if you know that one feel free, otherwise I'll ask the audience member to spell those ones out.

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And I see another response here from Michael. As a licensed industrial wastewater operator. It's my responsibility to ensure performance based on our treatment system, and then compliance with the permit, and discharges.

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We've got others, ecological and human health.

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Meeting state and Federal regulations with their partners, scheduling performance and cost performances. Let's see, we've some that are looking at minimum detectable activity for radio analysis.

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So a wide array of performance measures out there.

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Alright! Yes, thank you so much for participating in that. It just gives us a better sense of what you all are interested in, and who is in our audience.

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So for today, like I mentioned, we'll be talking about performance measures going over those in some detail. Then we'll switch to environmental indicators specifically human exposure. And we'll touch on migration of contaminated groundwater. And then we'll also talk about how these indicators tap into other parts of super fun or the super fun components.

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So I would like to hand it over to John at this point.

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To get us started.

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Everyone jumper here from EPA headquarters. So, as Emi mentioned, I am going to go over performance measures with you all, and I'm going to start with.

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Gpr. A.

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Gpr. Is a Congressional act that addresses all Federal agencies. It was enacted in 1,993, during an era of Government reinvention.

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To promote improved government performance and greater public confidence in government through better planning and reporting on results.

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Gpra required Federal agencies to develop results oriented and outcome related goals.

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These goals are meant to align and budgets to long term outcomes through multiyear multi agency, specific strategic plans. A key component of that is to reform program performance by setting program goals.

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Measuring program performance against those.

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And reporting publicly on the progress.

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Gpr. A. Was envisioned.

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As a performance based management system and has 3 key elements. The 1st 5 year strategic plans that set general direction of efforts. The second annual performance plans and the 3rd annual reports of agency successes and failures in meeting the targeted performance. Goals.

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And that act was actually modernized in 2,010 through the Gpr.

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And this directs EPA to consult with Congress, and requires the agency to solicit and consider the views and suggestions of those entities potentially affected or interested by the strategic plan.

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The Gpr. Ma. Also requires that progress be tracked via annual performance measures.

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Which are presented in EPA's annual performance, plan and Budget.

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EPA. Reports out performance measures against these annual measures.

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And the annual performance reports.

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And then this information is used to establish priorities.

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Develop future budget submissions and manage programs.

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In each Federal agency is responsible for meeting the Gpra and Gpr. Ma. Requirements.

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The Gpra provides general framework for government accountability through the use of strategic planning.

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Under this framework EPA develops strategic plans, annual performance goals.

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And other measures.

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National program offices develop planning and tracking mechanisms as well as conduct program evaluations to ensure the agency meets its goals effectively and efficiently.

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EPA's strategic Plan is published every 4 years, and describes the agency's long term direction.

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And strategies to achieve them.

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The strategic plan is used by senior leadership as a management tool, and is the basis for annual planning, budgeting, and accountability.

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It sets the quantifiable goals across the agencies.

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Across the agency, and you can see the most recent strategic plan.

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Is from Fy. 22, through 26.

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Okay, so super fun performance measures.

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The super fun remedial program tracks, 6 performance measures.

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And reports 3 to Congress. Gpra measures are important because they are linked to the budget requests to Congress. One factor in formulating budget requests is the amount of money needed to complete the anticipated work which are determined by these.

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Targets and measures, and you can see the 3 performance measures that are in EPA's.

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Congressional justification on the screen. There.

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And then we have the 3 other performance measures that were not in that previous slide. The remedial site assessment completions.

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The 2 environmental indicators which are human exposure under control and groundwater migration.

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Swaru or swat site wide, ready for anticipated use.

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Remedial Action Project, completions.

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And construction. Completion.

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Okay. So the superfund enterprise management systems, or maybe you've heard to it, referred to as.

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Serves as an official source for super fun site activity, data records.

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Support documentation for the internal and external stakeholders. It is an internal management tool used by EPA program staff and managers to plan and track program activities and resource use.

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Various Sims reports are used by senior super fund managers in the regions to monitor the pro. The progress in each region towards achieving these annual performance goals.

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Described in the Strategic Plan.

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As well as help the program project future program performance.

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Since Sims is used for tracking superfund activity.

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Planning activities and reporting on the achievement of annual goals. It is critical that the data be entered in the Sims in a timely and accurate manner.

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Okay? And so we mentioned the 2 environmental indicators. The human exposure under control and groundwater migration. We do have a

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Dashboard that was launched for the human exposure.

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I was launched in 2018 to improve public access to human exposure, data and information. And this dashboard provides live data on human exposure for super fun sites in a single easily accessible web page.

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The he. Evaluations are made for all final sites and sites with superfund alternative agreements in place. This is one way EPA communicates risk to the public.

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And the dashboard includes an overview of the cumulative number of sites with each status, and then further down the page.

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The sites the site. Specific status reports are populated in the data table, and you're able to sort of filter and sort through those different statuses that allows you to see the information you're look you're looking for at specific sites.

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No, for that. The purpose for this public communication is for the human exposure status, and then the 3 categories that fall under human exposure under control are the Atuc, the Hpr. And the Hhpa. And Emmy's gonna talk about what all of those mean here in a couple of slides.

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And then we're we're gonna provide you guys with a link to the human exposure. So you can take a look at it and play around with it. It's a really cool.

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Website.

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And the other really cool thing about this website is, it does give you that drill down information. So, for example, if you have an insufficient data or a not controlled site. You can click that hyperlink. You can see, for example, on the slide, the Maguire Air Force Base.

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You can click that hyperlink and see some of the details as to why that site might be insufficient data or not controlled.

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Okay, environmental indicators. I mean, I think it's going over to you.

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Yes, thank you so much, John.

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Alright. So let's get into some more of the details with human exposure, evaluations.

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John listed a couple of acronyms that went through pretty quick. You may not have caught them, but and as.

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Is with a government agencies. There are a lot of acronyms. So with human exposure. What we're looking at, as you can see on screen is a status for human exposures when there's insufficient data to make a determination.

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If the exposure is not under control.

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If it's under control.

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And then to get more specific. If a protective remedy is in place.

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And if.

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Not only is human exposure under control, but having long term human health. That these last 2 are necessary in order for a site to be considered eligible for site, wide, ready for anticipated use or swaru, which we'll talk about a little bit more later.

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So let's go ahead and go through each of these individually, starting with insufficient data. Essentially, that means that the site information to determine whether people are exposed to contamination.

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Typically, you may not know all the exposure pathways yet, for your conceptual site model isn't fully fleshed out. There's a lot of information that still needs to be gathered to answer some of those basic questions.

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However, this can also apply to sites.

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That are well established undergoing cleanup. But now there's new information, a potential new exposure, pathway, or the effectiveness of a remedy which can likely come up during 5 year reviews, where we specifically look at remedy, effectiveness.

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And also, if there is.

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Human exposure, insufficient data determination in your explanation. It's very important to identify what the date is when sufficient data will be collected. Know again that that information is available publicly. Those.

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Tables that we were just on on the previous slides are updated at least annually.

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So that is forward facing to the public. You definitely want to provide that information. So it's not just this question of. So we might be exposed, or we're all. Maybe we're already being exposed, but rather.

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It has that date where there will be some comfort, and knowing that is being collected. So we can make this determination.

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So that's the 1st one for insufficient data.

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Then the next level is human exposure under control.

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So.

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That's a status for an environmental indicator. And it's also a performance measure for EPA.

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So we're bringing a site status under control.

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It's a i don't want, you know. I hear the reference. A bean for EPA. It's something that we track, and we tally.

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In order for a site to be considered under control, you need to have sufficient data and information to support that evaluation.

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And.

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It means that there are currently, like present day, no completed or reasonably anticipated human exposure. Pathways.

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And.

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For any existing pathways that they don't pose an unacceptable exposure based on your site. Specific risk, criteria.

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And note, this doesn't mean that you've implemented your remedy, your construction status, and that you've achieved all your clean up goals. In fact, in many cases we haven't completed all of those for the sites. It's really just looking at the current exposure pathways with the intent to communicate to the public. Whether or not there may be a chance for them to be exposed to contamination from that site.

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Regardless of where it is in the clean up process.

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So we're gonna pause for a second and take us through a scenario.

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Alright, so.

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I'm gonna walk you all through a particular scenario, and I'm going to launch a poll question here.

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Right now, but you can slide it around or move it out of the way, if need be. If you'd like to read along with the information on the slide.

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So we're asking you to consider a scenario and groundwater samples have been collected at Superfund Site X as part of the remedial investigation.

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The baseline human health risk assessment has been completed.

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And there are currently no unacceptable human exposure pathways. So our question, what is your human exposure, status, determination.

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You'll see a series of options on the pop up in the poll in front of you. You can say a current human exposure not under control. HENC.

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You could pick B insufficient data to determine human exposure control.

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You could pick C current human exposure under control. HUS.

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HEUC.

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You could pick D current human exposure under control and.

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Protective remedy or remedies in place. Hpr, or you could pick E human exposure under control and long-term human health protection achieved. Hpa.

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If you can't see any of those fully, you can hover your cursor, and it'll show you a popup, or you can resize that window. If for some reason the poll isn't appearing or not working, you could just type in your response into the Q&A.

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So, if.

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You need to go ahead and respond, either by clicking on the circle from that poll and then hitting the submit button.

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Or you can type a response into the QA. It looks like about half of you have cast your vote. Remember, there's no, we're not going to grade you here. So we just want you to take your best bet. And then we're going to talk through that response.

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So I'll give you just a few more seconds here to consider and submit an answer, and I'll close the poll down in 3.

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2.

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One.

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Now let's look at those results. I mean, 3 quarters of the students picked C current under control.

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What's the right answer?

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That is the answer we were looking for.

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Current human exposure under control with the keyword being that no, it unacceptable human exposure, pathways.

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That currently exist.

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And so this might have been a little easy. But we're gonna have a number of these throughout the webinar, and they will get progressively more interesting. So just keep that in mind.

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Alright. So, Emmy, I think if we move ourselves forward, one more slide.

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Sorry, went back.

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Here we go. We have another scenario based Poll. So if it's okay, I'm gonna jump right in. And I'm actually gonna launch this very next poll. So just like Emmy hinted at.

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We're gonna ask you to consider another scenario that might not be as straightforward. So here's scenario.

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More recent data suggest that vapor intrusion may be occurring in an on-site building.

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But it is unclear if the contaminant will result in unacceptable human exposures.

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There is not yet data on concentrations of contamination through vapor, intrusion.

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So in this scenario, what is your updated human exposure status.

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Again. You'll see a poll on the screen. Now, asking you to consider. Is it a current human exposure, not under control?

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Is it B human insufficient data to determine human exposure control status? Is it C current human exposure under control.

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Is it d current human exposure under control and protective remedy or remedies in place? Or is it E current human exposure under control and long-term health protection achieved.

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So we'll give you just a few seconds to consider. Click the circle to the left between A, BCD, and E, and then hit the submit button.

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If you're having any technical difficulties, you can always type it into a response through the Q&A, and I'll see those answers coming in as well.

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So about 2 thirds of the audience have cast their vote on this one.

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So I'm going to give you just a few seconds here and close it down in 3.

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2.

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One.

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And Emmy in this case.

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Almost 92% of the audience picked B insufficient data.

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Penny.

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Is that the right answer?

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Yes, that is the answer that we were looking for.

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And again just pointing in the scenario pointing at. We don't have the data back yet. We're not sure what the concentrations are. It's unclear all of those point to just not having enough data to make a determination.

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Alright good job. So far.

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Let's go ahead and introduce another.

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Or not introduced, but talk in more detail about that human exposure not under control.

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Determination. So it for these. The site data indicates that an acceptable exposure pathways are present.

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And have not yet been controlled, mitigated, or eliminated. So this typically includes sites where response actions may be underway, but they're not yet complete, so those exposure pathways may still exist.

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At a site where you have multiple units for Federal facilities. You know some can have a hundred or more operable units.

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A single pathway can keep the site status to not under control.

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So say you have a hundred o's.

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Only one of them is not under control.

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So your site wide determination. Because that's what our performance measures. Look at.

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Is for the entire site would be not under control. So something to keep in mind. There.

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But the good thing is when you write that justification, and when I say you, I'm speaking directly to my EPA rpms. In writing that justification. You can note that say, out of 100, 0 use, only one is not under control, and we anticipate having.

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It addressed by X. Date something to that effect.

00:22:56.000 --> 00:23:14.000
It's very important to identify that date when human exposures will be brought under control. Think of it from the point of the public. If you come upon this website and you're looking at the explanations you would want to know, when is this gonna be brought under control? It's a risk communication.

00:23:14.000 --> 00:23:20.000
Opportunity. So having that date is very, very important.

00:23:20.000 --> 00:23:25.000
Okay with that in mind, let's go ahead and go through another scenario.

00:23:25.000 --> 00:23:28.000
All right. I'm going to launch this poll.

00:23:28.000 --> 00:23:46.000
And now in this scenario for Super fun Site Y, they were determined to have unacceptable levels of groundwater contamination, impacting the local drinking water supply in response, bottled water is being provided to all impacted residents. No other exposure pathways have been identified.

00:23:46.000 --> 00:23:50.000
A groundwater remedy has not yet been selected or implemented.

00:23:50.000 --> 00:23:53.000
So in this scenario, what is the human exposure status.

00:23:53.000 --> 00:24:03.000
Is it again, a current human exposure, not under control? Is it B insufficient data to determine human exposure control status C.

00:24:03.000 --> 00:24:11.000
Current human exposure under control, d. Current human exposure under control and protective remedy or remedies in place? Or is it.

00:24:11.000 --> 00:24:16.000
Current human exposure under control and long term health protection is achieved.

00:24:16.000 --> 00:24:22.000
So I'm seeing those answers come in, although they're fluctuating and moving. So I'll give everyone just a few more seconds here to think.

00:24:22.000 --> 00:24:25.000
And then, Cass, what you think is the correct vote.

00:24:25.000 --> 00:24:29.000
By clicking the circle to the left of the answer, and then hitting the submit button.

00:24:29.000 --> 00:24:41.000
Now there is a bit of a distribution in the responses that I'm seeing. So in this case I think we'll have a little bit more to talk through with the audience here. I'll give you just a few more seconds. It looks like the votes are slowing down.

00:24:41.000 --> 00:24:45.000
So I will go ahead and close this poll down in 3.

00:24:45.000 --> 00:24:47.000
2.

00:24:47.000 --> 00:24:48.000
One.

00:24:48.000 --> 00:24:57.000
And about 2 thirds of the audience voted, and Emmy, about 40% said it was a about a 3rd said it was C.

00:24:57.000 --> 00:25:01.000
And then about 20% thought it was D.

00:25:01.000 --> 00:25:04.000
What's the right response.

00:25:04.000 --> 00:25:17.000
Interesting. So we have a bit of a spread there as we added more complexity to the scenario. So for this specific example, we were looking for human exposures under control.

00:25:17.000 --> 00:25:28.000
And some of the key words that pointed to under control is because we stated all impacted residents are being provided bottled water, and that there are no other exposure. Pathways.

00:25:28.000 --> 00:25:31.000
You're like, okay, there, there aren't exposures happening.

00:25:31.000 --> 00:25:47.000
Say, for example, though if some of those residents had private wells for drinking water, then you could probably justify a not under control status in that case, for this scenario a bit simplified, we said all impacted residents were.

00:25:47.000 --> 00:25:51.000
Provided bottled water.

00:25:51.000 --> 00:26:00.000
Granted, we're looking at a single pathway, a single media. It can get more complex as you have other opportunities for.

00:26:00.000 --> 00:26:08.000
Exposure to contamination in a real life setting, you would look at all of those exposure pathways. In this case we were just looking at one.

00:26:08.000 --> 00:26:09.000
Alright!

00:26:09.000 --> 00:26:14.000
Let's continue on with our next 2 determinations.

00:26:14.000 --> 00:26:25.000
Which go beyond just under control. So here with the Atr we're looking at not only being under control, but having all protective remedies or single remedy in place.

00:26:25.000 --> 00:26:35.000
So with that, your data will indicate that there are currently no acceptable, complete human exposure pathways, and that all of the operable units.

00:26:35.000 --> 00:26:39.000
At that site have that under control status.

00:26:39.000 --> 00:26:41.000
Also, in this case you would have.

00:26:41.000 --> 00:26:46.000
Construction complete, that physical construction.

00:26:46.000 --> 00:27:02.000
Done. The systems may be operating, they're operating as intended, and all your institutional controls are not only in place, but they're effectively in place. No, no land use control issues. So if you meet all of those criteria.

00:27:02.000 --> 00:27:13.000
Then you can select the HPR status and also note, this is the 1st status where you can identify that your site is ready for anticipated reuse.

00:27:13.000 --> 00:27:17.000
For Swaru, which we'll talk about more. Towards the end of the webinar.

00:27:17.000 --> 00:27:24.000
That can be partialed out for across a site. So you may have a very large site, but there may be.

00:27:24.000 --> 00:27:37.000
You know, protective remedies in place for a large portion, and that part of the site might move forward for reuse. That's fairly common, and a number of our federal facilities, simply because they're so large in size.

00:27:37.000 --> 00:27:38.000
All right.

00:27:38.000 --> 00:27:39.000
The next.

00:27:39.000 --> 00:27:45.000
Evaluate or determination that can be selected is when human health protection has been achieved.

00:27:45.000 --> 00:27:49.000
So for this all physical construction is complete.

00:27:49.000 --> 00:27:58.000
Again, your institutional controls are in place and effective. The and effective is very important there for land use controls and institutional controls.

00:27:58.000 --> 00:28:03.000
And additionally, all human exposure related. Cleanup goals have been achieved.

00:28:03.000 --> 00:28:10.000
There's nothing ongoing as far as that remedy being implemented or sorry. No ongoing exposures occurring.

00:28:10.000 --> 00:28:11.000
So.

00:28:11.000 --> 00:28:13.000
For example.

00:28:13.000 --> 00:28:26.000
Having not only your soil, also your groundwater, surface, water, restoration. All the media that have to be addressed at your site have achieved those. So ultimately, we want all our sites to get here. Site wide.

00:28:26.000 --> 00:28:35.000
But for again, a number of our Federal facilities that's going to be a very long timeframe to get there.

00:28:35.000 --> 00:28:43.000
Just to give some examples of each of these exposure statuses. Let's look at the human exposure under control. We looked at this.

00:28:43.000 --> 00:28:47.000
Example, earlier in the scenario, supplying drinking water.

00:28:47.000 --> 00:28:57.000
Are bottled water to people impacted by contaminated groundwater. That's assuming there's no other exposure pathways and no private drinking water wells. Anything like that.

00:28:57.000 --> 00:29:02.000
Or Hpr, here you have a treatment system.

00:29:02.000 --> 00:29:07.000
A drinking water treatment system in place. It's been constructive, and it's working effectively.

00:29:07.000 --> 00:29:14.000
And then, for the you know, the status we're all trying to get at with the Hpa. Not only have you.

00:29:14.000 --> 00:29:18.000
You know. Maybe you had a system implemented it, cleaned up your groundwater.

00:29:18.000 --> 00:29:23.000
All your contaminated groundwater levels. I should say your clean up levels have been met.

00:29:23.000 --> 00:29:25.000
That's.

00:29:25.000 --> 00:29:26.000
The.

00:29:26.000 --> 00:29:28.000
The status we all want to get to.

00:29:28.000 --> 00:29:30.000
All right.

00:29:30.000 --> 00:29:37.000
Those are a few examples there before I jump into the human exposure under control worksheet.

00:29:37.000 --> 00:29:42.000
I wanna pause and see if there were any questions that we should address Jean.

00:29:42.000 --> 00:29:49.000
So I mean, there were a handful of questions about that last scenario that we came through with the vapor, intrusion.

00:29:49.000 --> 00:29:50.000
Okay.

00:29:50.000 --> 00:29:59.000
So one of the students just wanted clarification. How is how are the provided? Water bottles not seen as a protective remedy?

00:29:59.000 --> 00:30:00.000
So.

00:30:00.000 --> 00:30:03.000
That is a very good question.

00:30:03.000 --> 00:30:06.000
Because we're also looking. Is it a.

00:30:06.000 --> 00:30:07.000
Short Term, action.

00:30:07.000 --> 00:30:15.000
Is there still contamination at the site that needs to be remedied? Is the intent to provide bottled water in perpetuity to those residents.

00:30:15.000 --> 00:30:22.000
So sometimes the bottled water is really just a short-term measure. While figuring out how to address.

00:30:22.000 --> 00:30:24.000
The contaminated groundwater.

00:30:24.000 --> 00:30:31.000
So so long term that bottled water approach likely isn't the one that's going to be implemented.

00:30:31.000 --> 00:30:33.000
It's all site specific, though perhaps it is.

00:30:33.000 --> 00:30:39.000
In, you know, just really impracticable to put in a drinking water system.

00:30:39.000 --> 00:30:45.000
Bottled water will be provided long term. It really does depend on your site. Specifics.

00:30:45.000 --> 00:30:48.000
Okay? And again, in that last example, superfund site y.

00:30:48.000 --> 00:30:59.000
There was a statement that said no other exposure pathways have been identified. Does that imply that vapor intrusion is not an issue, or could that be an issue? And they simply haven't.

00:30:59.000 --> 00:31:01.000
Addressed it, yet.

00:31:01.000 --> 00:31:07.000
So this would imply, at least with that scenario, that all the data taken to date shows that there are no.

00:31:07.000 --> 00:31:09.000
Other pathways.

00:31:09.000 --> 00:31:15.000
If they collected more data, would they identify intrusion? Perhaps.

00:31:15.000 --> 00:31:23.000
But when you're making these stat the status determinations, they're done annually, at least annually. And you're basing it on the information you currently have.

00:31:23.000 --> 00:31:30.000
But from one year to the next it can easily change, and we'll talk more about changing your determinations in a bit.

00:31:30.000 --> 00:31:33.000
Alright excellent! I don't see any other questions carry on.

00:31:33.000 --> 00:31:34.000
All right.

00:31:34.000 --> 00:31:43.000
So on. Your screen is a very kind of dry, black and white flow chart of how to determine human exposures for your site.

00:31:43.000 --> 00:31:49.000
And I'm going to take us through each of these steps on the next 2 slides.

00:31:49.000 --> 00:31:51.000
Or next 3 slides.

00:31:51.000 --> 00:32:12.000
One question that we were getting a lot is, well, what data am I supposed to use to make this determination? How do I even start like, it's a site wide determination. What do I look at? So in the updated 22 EPA environmental indicator guidance, we included this chart that points to the kind of documentation you could look at.

00:32:12.000 --> 00:32:18.000
For sufficient data. Are you looking at the human health risk assessments? Your Rfs reports. If those are finalized.

00:32:18.000 --> 00:32:24.000
Site assessment reports. If you're earlier in the clean up process or any expanded site.

00:32:24.000 --> 00:32:32.000
Then, as far as long term goals, you're looking at that final closeout to identify if the cleanup levels have, in fact, been met.

00:32:32.000 --> 00:32:35.000
Your decision documents will have.

00:32:35.000 --> 00:32:37.000
Information on.

00:32:37.000 --> 00:32:40.000
How to measure. If your cleanup is complete.

00:32:40.000 --> 00:32:43.000
After that your remedial action reports.

00:32:43.000 --> 00:32:49.000
Groundwater reports are really helpful, as far as looking at data, to determine if there are potential exposures.

00:32:49.000 --> 00:33:01.000
And with your completed pathways that human health risk assessment is going to be very valuable. So if that is not complete and your conceptual site model is not fully.

00:33:01.000 --> 00:33:08.000
Bled out it. It may be difficult to answer that question. You might not have sufficient data to make that determination.

00:33:08.000 --> 00:33:13.000
So that's a handy list. If you're not sure where to start.

00:33:13.000 --> 00:33:18.000
And with the flow chart, I just I wanna quickly take us through this.

00:33:18.000 --> 00:33:20.000
How you would talk to yourself.

00:33:20.000 --> 00:33:25.000
Or take. Take yourself through making this determination at your site. Let's say you're.

00:33:25.000 --> 00:33:29.000
A relatively new project manager. You have a site.

00:33:29.000 --> 00:33:32.000
And you're told, hey? You need to do your.

00:33:32.000 --> 00:33:33.000
What do you do?

00:33:33.000 --> 00:33:38.000
So look at your human exposure if you're determining that.

00:33:38.000 --> 00:33:44.000
The 1st question you're gonna ask, is there information to make an evaluation of human exposures at the site.

00:33:44.000 --> 00:33:52.000
If there's not, then you know that you have insufficient data. That's a determ.

00:33:52.000 --> 00:33:55.000
However, if you do feel there's sufficient information.

00:33:55.000 --> 00:34:02.000
Then, you'll ask, have all the long term human exposure related? Cleanup goals been met for the entire site.

00:34:02.000 --> 00:34:04.000
If yes, great.

00:34:04.000 --> 00:34:09.000
We are in that long term achieved category.

00:34:09.000 --> 00:34:12.000
That's a great determination. But more often than not.

00:34:12.000 --> 00:34:29.000
Those have not been met yet. So you go to step 3 and you look at. Are there complete exposure, human exposure pathways, be it between contaminated groundwater soil, surface water, air. You know all those media, such that human receptors.

00:34:29.000 --> 00:34:34.000
Will reasonably be expected to be exposed to the contamination.

00:34:34.000 --> 00:34:38.000
If the answer is no, we skip ahead to step 5.

00:34:38.000 --> 00:34:40.000
But if the answer is Yes.

00:34:40.000 --> 00:34:46.000
There are complete human exposure pathways. Then we go to step 4.

00:34:46.000 --> 00:34:57.000
And you ask yourself, are there actual or reasonably anticipated human exposures associated with those complete pathways that were identified in step 3.

00:34:57.000 --> 00:35:05.000
So you'll think about that, are they? Do I really think people are being exposed, or could actually be exposed to contamination.

00:35:05.000 --> 00:35:06.000
At this site.

00:35:06.000 --> 00:35:09.000
Is it reasonably anticipated? If it's not.

00:35:09.000 --> 00:35:11.000
Reasonably.

00:35:11.000 --> 00:35:17.000
Anticipated. Then you're looking at those human exposures not under control.

00:35:17.000 --> 00:35:19.000
If they're going to be.

00:35:19.000 --> 00:35:22.000
Exposed to the contamination.

00:35:22.000 --> 00:35:23.000
If.

00:35:23.000 --> 00:35:30.000
You're not expecting that those contamination or exposures are happening. Then you're gonna look at is the site construction complete?

00:35:30.000 --> 00:35:33.000
Is the remedy operating as intended.

00:35:33.000 --> 00:35:44.000
And in addition to all that, do you have any engineering and administrative land use controls in place or other institutional controls which are typically required through your rod.

00:35:44.000 --> 00:35:46.000
Are they in place and effective.

00:35:46.000 --> 00:35:52.000
If they are. Yes, then again, you're in that protective remedies in place.

00:35:52.000 --> 00:36:03.000
Status. If not, if one of these criteria is not met, you might have human exposures under control. But you haven't fully implemented the remedy.

00:36:03.000 --> 00:36:13.000
If looking at your site, or perhaps you get new information, and you determine oh, there are continuing exposures at the site.

00:36:13.000 --> 00:36:18.000
If all the response actions have been exhausted and exposures continue.

00:36:18.000 --> 00:36:28.000
Perhaps due to a property owner that's just absolutely refuses. No, you cannot sample my water. You cannot put in a filtration system. You cannot.

00:36:28.000 --> 00:36:31.000
Come onto my property. But EPA.

00:36:31.000 --> 00:36:40.000
The region, and perhaps up the lead Agency, that other Federal agency have tried time and time again, perhaps over years, to work with that.

00:36:40.000 --> 00:36:42.000
Property owner, individual.

00:36:42.000 --> 00:36:44.000
In.

00:36:44.000 --> 00:36:50.000
Some situations we have went ahead and identified that as a human exposures under control.

00:36:50.000 --> 00:36:57.000
Because after years of trying with maybe 1, 2, or a very few property owners.

00:36:57.000 --> 00:37:00.000
If you you can't force them to.

00:37:00.000 --> 00:37:05.000
You know, allow the samplinger to take in a filtration system, or things like that.

00:37:05.000 --> 00:37:19.000
We have decided. Okay in this case, once you've exhausted all the approaches that you can. So it's not just like you sent a letter, and you never heard back, but really, you know, have tried to reach out and work with them, and they're just not having it.

00:37:19.000 --> 00:37:25.000
We can look at that human exposures under control status.

00:37:25.000 --> 00:37:26.000
All right.

00:37:26.000 --> 00:37:38.000
So to make this all a little more real, I'd like to turn over to our case, study and say, ask you to introduce yourself for everybody, and tell us a bit about your site.

00:37:38.000 --> 00:38:02.000
Halo Assalamualaikum warahmatullahi wabarakatuh dan Laser Amerika Serikat dan Md Argumentasi Pohio.

00:38:02.000 --> 00:38:05.000
Genue nyami.

00:38:05.000 --> 00:38:06.000
Yes, you're coming through loud and clear.

00:38:06.000 --> 00:38:36.000
Saya pikir pikiran oke Solid Store Presentation Sobat biarkan quite a Big Understanding of what I is watching gelar perkembangan pekerjaan yang dianggap sebagai generasi mudaather threshold satu Side jadi sound system yang anda dapatkan itu saya hai south west ohio di video kali ini saya

00:38:43.000 --> 00:39:11.000
akan membahas tentang dhaven Economics so the first base here is divided into a area which is basically ecers hmm hmmmmmmmmmmmmmmmmmmmmmmmmmmm picture purwokerto house

00:39:11.000 --> 00:39:41.000
offices industrial complex flightline, support basically you see here and then in area it's about two thousand five hundred akcs mhm mhm Begino sushi sama war resources here success here success from rivers selanjutnya saya akan menelepon

00:39:43.000 --> 00:40:13.000
right there and also you seeing figures that you will see their philadelphia shower bit more about you know how the side of the situation background warner flower flower flowers helping dan and the s I said tribously they are

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number of floating. Well, saya tidak tahu flow of war is coming from area for space di tahun dua ribu tujuh belas.

00:40:40.000 --> 00:40:44.000
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00:41:28.000 --> 00:41:45.000
kencang Missionis Those Production World Wardham dan Two Thousand As A Prevention for Employees.

00:41:45.000 --> 00:41:50.000
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00:41:50.000 --> 00:42:07.000
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00:42:07.000 --> 00:42:36.000
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00:43:29.000 --> 00:43:52.000
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00:43:52.000 --> 00:44:07.000
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00:44:07.000 --> 00:44:37.000
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00:44:45.000 --> 00:45:15.000
to the next figure terobosan yang berfungsi untuk berjalan. Hai teroso showdom show Zulkifli Hasan National Geographic untuk memulai simpati swiss be Moving A Long my next slide so this way, basically, give you dengan campuran

00:45:18.000 --> 00:45:46.000
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00:45:46.000 --> 00:46:16.000
Difference Here pada Naudzubillahu alaihi wasallam Muhammad Hai am sobat bisnis afternoon Help Exposure so Looking at The Previous Eight Years Ago momentum Human help protectionmmmmmm Hai ayu saya

00:46:20.000 --> 00:46:38.000
tidak tahu apa yang Anda inginkan. Hai Am also in two Thousand two thousand two thousand dollars currently and it twenty twenty three which we were like now.

00:46:38.000 --> 00:47:08.000
The dections were detected and now we are questioning. Saya ingin bertanya I believe up to two sixteen the sixteen the site was a long term protection nenek motif protective premium pada saat ini kivitas isu pfizer dan yang kedua adalah protokol kesehatan

00:47:11.000 --> 00:47:41.000
waduh, saya pikir pikir saya tidak bisa mengajukan kesempatan untuk membangun investigationship happy birthday software record worth it eighty percent protection we are hai underscore.

00:47:41.000 --> 00:48:05.000
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00:48:05.000 --> 00:48:35.000
Saya tidak tahu.

00:48:40.000 --> 00:49:07.000
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00:49:07.000 --> 00:49:37.000
progress password feeling but you know Numbers I don't Remember sobat Chelsea dan deras dan unekceptable human health exposure di ground war mhm area b anda bisa lihat di area b endem personal dan lain sebagainya.

00:49:39.000 --> 00:49:49.000
I using this World Weren't Purposes but the Numbers.

00:49:49.000 --> 00:50:04.000
The slide prinsip prinsipnya ini adalah same numbers Bias dan Pfxs S.

00:50:04.000 --> 00:50:16.000
B foa npf os pfizer Vivo Ffouse dan number dan Four four four four.

00:50:16.000 --> 00:50:24.000
Empat ratus ribu.

00:50:24.000 --> 00:50:54.000
Hai, so, saya ingin bertanya tentang flowchart Virtual account Other Countries Human Exposure Patricks Between Camily Common Exposure Tuntut umumnya dianggap sebagai Expected Under Connected Mhm Mhm saya pikir setiap hari saya akan

00:51:05.000 --> 00:51:25.000
mengecek keren conditioner dan lain sebagainya. Jika anda ingin melakukan pengecekan dan limit should be alexceptive now it shouldn't except the next years.

00:51:25.000 --> 00:51:50.000
Hai using touch scenario tarif tuning torry for the long term human health protection fourth space hai s keren control because people are drinking hai kencana war about Mc.

00:51:50.000 --> 00:52:07.000
I Believe the Second part of my presentation will be dealing with the the migration of American ada Construction Participate Jing dan juga check out.

00:52:07.000 --> 00:52:20.000
Alright excellent! Don't go too far. I have 2 quick questions that came in before we move on to our next speaker. So say, Ed, one of the participant, wanted to know who completes the worksheet. Is it you alone.

00:52:20.000 --> 00:52:22.000
Has the Rpm. Or are there others involved.

00:52:22.000 --> 00:52:52.000
Jika Anda ingin starting anda bisa menambahkan saya pikir pikir saya akan mendapatkan informasi Sweet Seventeen problem and and every year we have to go to sports see if there is a change in conditionsmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmm

00:53:00.000 --> 00:53:14.000
Okay.

00:53:14.000 --> 00:53:20.000
Okay.

00:53:20.000 --> 00:53:21.000
Okay.

00:53:21.000 --> 00:53:22.000
sekaligus this year because of the fact the mcal heeh heeh di career workshy dan saya lihat yasudah exposure dan narkoba.

00:53:22.000 --> 00:53:52.000
And one related question as well, are there an input role in this determination? So individuals outside of EPA, that's how I'm reading that.

00:54:12.000 --> 00:54:13.000
Okay.

00:54:13.000 --> 00:54:15.000
I I believe it ide internal performance measure dan puts out and be provided the consultation emmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmm hey we have to go back hai sang jabatan.

00:54:15.000 --> 00:54:17.000
Alright! Excellent! Emmy.

00:54:17.000 --> 00:54:32.000
The only thing I'll add to that. Say, you're a State person or you work for another Federal agency. And you're concerned about that environmental indicator determination. You can always reach out to the Epm and ask to have a discussion to better understand.

00:54:32.000 --> 00:54:44.000
Perhaps there's information that's available. But the EPA. Rpm. Hasn't received it, and that could make a change to the determination. So yes, it's an EPA measure. It is something EPA does internally, but.

00:54:44.000 --> 00:54:46.000
I'm sure.

00:54:46.000 --> 00:55:07.000
EPA Rpms would be happy to engage in conversations. So there's mutual understanding across the board.

00:55:07.000 --> 00:55:08.000
Alright!

00:55:08.000 --> 00:55:09.000
Absolutely absolutely there's. An information. That They Were Like Ed to our existing information that may have aangin jeruk nipis domisilinya yang sudah.

00:55:09.000 --> 00:55:18.000
Excellent. So we'll hear more from you said in later on. Today I'm gonna swap out the view here and take our presentation.

00:55:18.000 --> 00:55:20.000
It works.

00:55:20.000 --> 00:55:26.000
And I launched into another question.

00:55:26.000 --> 00:55:35.000
Option 3, and then a speaker to come here on screen with me.

00:55:35.000 --> 00:55:39.000
Who will be leading the next portion of our session. So.

00:55:39.000 --> 00:55:41.000
As we're getting ready to switch gears.

00:55:41.000 --> 00:55:50.000
We have a question for you in the audience. Which of the following contaminant situations have you dealt with at a site.

00:55:50.000 --> 00:55:55.000
Is it? A situation is unknown, as the emerging contaminant has never been included in sampling.

00:55:55.000 --> 00:56:09.000
The emerging contaminant is in monitoring wells. But you're not sure if it's reached the surface water or drinking water, or the emerging contaminant in drinking water is in the drinking water wells, or it's reaching the surface water, or perhaps none of the above.

00:56:09.000 --> 00:56:15.000
So we'll just ask you to check off what situations you've dealt with, and then hit the submit button.

00:56:15.000 --> 00:56:24.000
And if you've dealt with them all, then pick the one that's the most prevalent for you, if you like, or the one that you really connect with, of those options.

00:56:24.000 --> 00:56:31.000
And then, if you have any issues with that, you can feel free to type a message into the QA. If you want to clarify a response by all means.

00:56:31.000 --> 00:56:36.000
Cal, I'm looking at these responses. About half of the audience have shared.

00:56:36.000 --> 00:56:38.000
And I think it's.

00:56:38.000 --> 00:56:43.000
Rather interesting mix of what I'm seeing so far, so I'll give them.

00:56:43.000 --> 00:56:47.000
A few more seconds here to think, and then hit the submit button, and I'll go.

00:56:47.000 --> 00:56:50.000
This, pull down in 3.

00:56:50.000 --> 00:56:51.000
2.

00:56:51.000 --> 00:56:54.000
One. And let's look at these results.

00:56:54.000 --> 00:56:56.000
So about a 3rd of the audience said.

00:56:56.000 --> 00:56:58.000
Of this applies to me.

00:56:58.000 --> 00:57:06.000
But then there was a pretty even split amongst all of these. So they've hit all of these situations at their sites.

00:57:06.000 --> 00:57:15.000
Yeah, that's not surprising. Let me 1st introduce myself. I am Cal Bayer Anderson. I work with Emmy and John in EPA. Headquarters.

00:57:15.000 --> 00:57:27.000
In the Federal Facilities Super Fund office. So I could see. You know, a lot of folks are dealing with emerging contaminants. Probably a lot of you are dealing with pfas.

00:57:27.000 --> 00:57:37.000
Specifically. So we will talk about that some more. But 2 things, I I think, are really important, that I want you to keep in mind.

00:57:37.000 --> 00:57:46.000
And this has been mentioned several times. The environmental indicators, although they are our EPA

00:57:46.000 --> 00:57:47.000
Metrics.

00:57:47.000 --> 00:57:50.000
They are publicly available.

00:57:50.000 --> 00:57:53.000
And so they constitute.

00:57:53.000 --> 00:58:06.000
A risk communication tool. So they provide information on potential risk to human health. So and you've seen a snapshots of the dashboard that John showed earlier.

00:58:06.000 --> 00:58:30.000
Second if we have new information about chemicals present at the site, whether they are emerging contaminants, or, you know, legacy contaminants that pop up. We really need to walk through the implications of this in terms of environmental indicators. It's really, really important that the information that we provide.

00:58:30.000 --> 00:58:38.000
Is accurate and well supported, and that's why we have several tools to help folks.

00:58:38.000 --> 00:58:53.000
Kind of work through and pick the environmental indicators that are most relevant to the site and the other final point that I'll make, before I launch into some some additional examples.

00:58:53.000 --> 00:58:54.000
Is that

00:58:54.000 --> 00:59:13.000
This is site specific and the details matter. And as you saw with Syed's presentation, it can be really complicated. And the examples that we present in this class. Just as thought exercises tend to be. Very simple.

00:59:13.000 --> 00:59:17.000
So let's see.

00:59:17.000 --> 00:59:20.000
Okay.

00:59:20.000 --> 00:59:32.000
So let's think through an example where you have a remedial action to address soil and groundwater contamination at a super fun site.

00:59:32.000 --> 00:59:52.000
The crc's. The legacy or historic's include hexvalentium and tce the remedy involved soil removal, but also a pump and treat system with an air stripper. To address the volatile.

00:59:52.000 --> 00:59:53.000
Tce.

00:59:53.000 --> 01:00:01.000
So the last AI determination was human exposures under control.

01:00:01.000 --> 01:00:02.000
But now.

01:00:02.000 --> 01:00:07.000
We've determined that there was historical use of P. Fasts in metaling at the site.

01:00:07.000 --> 01:00:13.000
Monitoring wells right near the historic use.

01:00:13.000 --> 01:00:22.000
Do you have pfas? You know pfas were detected? But that the adjacent public water system.

01:00:22.000 --> 01:00:23.000
Let's look at a map.

01:00:23.000 --> 01:00:44.000
Is not affected, and further, this is the groundwater flow is in this direction, from the left to the right. And we have some private wells. In the vicinity as well. So, Gene, what are our options here for? Determining.

01:00:44.000 --> 01:00:47.000
Environmental indicator for human exposure.

01:00:47.000 --> 01:00:50.000
Alright! So we're launching a poll.

01:00:50.000 --> 01:01:02.000
Should be a new window, and again I encourage people to move the window around if you need it, to help examine the diagram. But we're presenting you with 3 possible human exposure ei determinizations that could apply.

01:01:02.000 --> 01:01:12.000
Is it? Keep HEUC. So under control status until the data is collected, is it B, select HE. In other words, insufficient data.

01:01:12.000 --> 01:01:18.000
Or is it C, select HENC. Human, not under control?

01:01:18.000 --> 01:01:26.000
So look between those 3 options, a, B, or C, is it HUCH EUCH, EID, or HENC.

01:01:26.000 --> 01:01:35.000
And once you're done picking the circle to the left and hit, submit. If you have any difficulty using that poll, you can always type it into a response through the Q&A.

01:01:35.000 --> 01:01:41.000
And Cal. It looks like about a 3rd of the audience is thinking through this and that they've cast their vote.

01:01:41.000 --> 01:01:44.000
Yeah.

01:01:44.000 --> 01:01:45.000
Right, right.

01:01:45.000 --> 01:01:46.000
So this is this has got them thinking, that's a good sign here. They're not all jumping in.

01:01:46.000 --> 01:01:48.000
I'll give them all just a few more seconds.

01:01:48.000 --> 01:01:53.000
To consider, and then take your best guess, because we will talk through this situation.

01:01:53.000 --> 01:01:56.000
And I'm gonna close this poll here.

01:01:56.000 --> 01:01:58.000
In 3.

01:01:58.000 --> 01:02:05.000
2 watching them scrambled in, and one let's close it.

01:02:05.000 --> 01:02:14.000
Alright. About 2 thirds of you cast your votes, and it looked like half said it was insufficient data. So HEID.

01:02:14.000 --> 01:02:16.000
But.

01:02:16.000 --> 01:02:17.000
Yeah.

01:02:17.000 --> 01:02:18.000
They were somewhat split between A and C as well, so.

01:02:18.000 --> 01:02:19.000
Yeah, yeah.

01:02:19.000 --> 01:02:43.000
So. And that. And that makes sense right? Because we don't have, you know all the details filled in? And you know, it's just a 2 dimensional site cartoon so I can understand if you pick insufficient data. In some cases you know what we see. Sometimes we see like very very high concentrations of P. Fasts.

01:02:43.000 --> 01:02:55.000
On site, and we know nothing about off site. And yet we know a lot about groundwater and in particular, we we've seen sites that have

01:02:55.000 --> 01:03:01.000
Pest plans that extend for miles even up to.

01:03:01.000 --> 01:03:04.000
30 miles off site

01:03:04.000 --> 01:03:06.000
Affecting. You know the the.

01:03:06.000 --> 01:03:31.000
Private wells that are down gradient from that. So you know what you know about the site is going to influence, you know your decision. But it's really important to make that weight of evidence and establish those lines of evidence so like, if it's very low concentrations. And the groundwater is very slow moving, and we know at the public drinking water. Well,

01:03:31.000 --> 01:03:35.000
From their data that they're not finding it.

01:03:35.000 --> 01:03:39.000
Then maybe you can make the case that it's under control.

01:03:39.000 --> 01:03:43.000
But it depends.

01:03:43.000 --> 01:03:48.000
Okay, let's look at the next example.

01:03:48.000 --> 01:03:49.000
Yeah.

01:03:49.000 --> 01:03:51.000
One year later.

01:03:51.000 --> 01:03:57.000
Let's say we're making an annual determination right.

01:03:57.000 --> 01:04:13.000
Sampling data now shows that the levels are increasing. In some monitoring wells one public well has been detect pfas has been detected, but the the processed water that's being supplied to the community.

01:04:13.000 --> 01:04:15.000
Is still below the detection.

01:04:15.000 --> 01:04:17.000
And we have no data.

01:04:17.000 --> 01:04:31.000
On the private drinking water wells. So maybe this is what it looks like we have. We know that the contamination on the site is much more extensive than originally thought. We have this one.

01:04:31.000 --> 01:04:35.000
Public. Well, that is showing hits.

01:04:35.000 --> 01:04:40.000
Thank you, Jean. I think that's you using the

01:04:40.000 --> 01:04:46.000
The pointer. We still don't know about the private wells further along.

01:04:46.000 --> 01:04:50.000
So in this situation.

01:04:50.000 --> 01:04:57.000
What would be your determination for the environmental indicator? Gene.

01:04:57.000 --> 01:05:05.000
Alright. Let's launch that poll question. So again, we're presenting you with 3 human determinations that could apply.

01:05:05.000 --> 01:05:16.000
Is it a, keep the HEUC. Under control status until data is collected? Is it B, select HE. Insufficient data, or is it c select HENC.

01:05:16.000 --> 01:05:19.000
Human exposure, not under control.

01:05:19.000 --> 01:05:33.000
So we'll ask you to again consider if you need to.

01:05:33.000 --> 01:05:35.000
Looking for in this example.

01:05:35.000 --> 01:05:42.000
Well, we do have off some offsite data. Right? The public. There are 3 public wells.

01:05:42.000 --> 01:05:51.000
Now what happens is, there's pfas in an individual well, but they mix the water, and so the people are drinking.

01:05:51.000 --> 01:06:07.000
Water. That is basically, non detects but you see some worrying signs that you may not fully understand the pfas plume, and you have no data.

01:06:07.000 --> 01:06:09.000
Further down, gradient.

01:06:09.000 --> 01:06:11.000
For the the private wells.

01:06:11.000 --> 01:06:17.000
So you know, this is this is, there are major data gaps there.

01:06:17.000 --> 01:06:18.000
Alright!

01:06:18.000 --> 01:06:28.000
So with that it looks like the answers are slowing down here. I'll give everyone just a few more seconds, and I'll close the poll in 3.

01:06:28.000 --> 01:06:29.000
2.

01:06:29.000 --> 01:06:31.000
One.

01:06:31.000 --> 01:06:32.000
Alright!

01:06:32.000 --> 01:06:39.000
And looking at these results.

01:06:39.000 --> 01:06:41.000
Yeah.

01:06:41.000 --> 01:06:42.000
Yeah.

01:06:42.000 --> 01:06:43.000
We're somewhat split between B and C. The saying that there's insufficient data or human exposure is not under control.

01:06:43.000 --> 01:07:07.000
I mean it it and I can again. I can understand this as well, because we know that there's pfas in the public water supply. It's just that very low concentrations right now. We also know we may know you know, something about the concentrations and the groundwater flow where we can piece it together and say, Look, hey it! We know it's.

01:07:07.000 --> 01:07:21.000
It's reaching the public water supply. We know the concentrations are going up. We know the water flow is, you know, leading toward in the direction of the public and private Wells.

01:07:21.000 --> 01:07:26.000
And so that's sufficient for us that we're gonna call it not controlled.

01:07:26.000 --> 01:07:50.000
And one thing I'll point out. You know, being in headquarters, we hear from different project managers in the regions, and they're all wrestling with this, and often there are disagreements, even like within the region they they debate back and forth. What are the lines of evidence, and it's just really important to be very clear and transparent.

01:07:50.000 --> 01:07:53.000
To support the final decision.

01:07:53.000 --> 01:07:57.000
Alright. Let's look at the.

01:07:57.000 --> 01:08:02.000
Next.

01:08:02.000 --> 01:08:19.000
Okay? So in this. Last example, another year or a couple of years, and you're making your annual ei determination, you're reviewing the data and the sampling data shows that the emerging contaminants, pfs, whatever are.

01:08:19.000 --> 01:08:28.000
Above the Mcl. In some public drinking water supply wells. So we know they're drinking it now.

01:08:28.000 --> 01:08:51.000
There's no sampling in the private. Well, data but it seems likely that there's an acceptable risk for human exposures based on the contaminants that are present. Right? We have an Mcl. We have exceedances of the Mcl. All trends are pointing in an unfortunate direction. So

01:08:51.000 --> 01:09:07.000
Looking at this we've got. We definitely have more pfas in the public water supply. There's still some uncertainties about it. What would what would your determination be now.

01:09:07.000 --> 01:09:08.000
50.

01:09:08.000 --> 01:09:12.000
Alright! We are launching. And yet once again we are presenting you with those 3 human exposure, e determinations.

01:09:12.000 --> 01:09:21.000
So let's decide, is it a keep? HEUC. Under control status until the date is collected? Is it B, select HE. Insufficient data.

01:09:21.000 --> 01:09:27.000
Or C select HENC. Human, not under control.

01:09:27.000 --> 01:09:31.000
And this time they do seem to be.

01:09:31.000 --> 01:09:38.000
Coalescing around one particular response. So there's a bit more agreement here in the audience. But I'll give you all.

01:09:38.000 --> 01:09:46.000
A little bit of time here to think, to consider and remember. Take your best guess, and if you have some thought process behind, why you picked what you picked.

01:09:46.000 --> 01:09:48.000
Perfectly. Okay. To.

01:09:48.000 --> 01:09:53.000
Pop a message into the Q. And a. And let us know. And I can relay that to Cal as we talk through the responses.

01:09:53.000 --> 01:09:58.000
About 2 thirds of the audience has cast their vote. So I'll give you just a few more seconds here.

01:09:58.000 --> 01:10:00.000
In 3.

01:10:00.000 --> 01:10:02.000
2.

01:10:02.000 --> 01:10:03.000
One.

01:10:03.000 --> 01:10:05.000
Let's close this poll out.

01:10:05.000 --> 01:10:10.000
And look at those results.

01:10:10.000 --> 01:10:11.000
Yes.

01:10:11.000 --> 01:10:12.000
So about 84% said C, human exposure not under control.

01:10:12.000 --> 01:10:32.000
Yeah. And I, I would agree with that and definitely support that determination. It. You know there may be other conditions that that you that come into play that you document? But you know you have to be able to kind of look at community in the in the eye and say, You know.

01:10:32.000 --> 01:10:37.000
This is what's happening at your site. And this is why we think you know that.

01:10:37.000 --> 01:10:40.000
That the exposures are.

01:10:40.000 --> 01:10:44.000
Certainly not under control.

01:10:44.000 --> 01:10:46.000
You know we.

01:10:46.000 --> 01:10:58.000
Another point question that came up, you know about is this a you know, EPA makes this decision. We have to justify it ultimately.

01:10:58.000 --> 01:10:59.000
But there!

01:10:59.000 --> 01:11:09.000
Project teams often include other Federal agencies. State representatives

01:11:09.000 --> 01:11:20.000
There may be a a community board. That's involved. And these conversations are really important to have and we have to be able to defend.

01:11:20.000 --> 01:11:23.000
Our

01:11:23.000 --> 01:11:38.000
Our determinations and the answers depend on the site specific conditions. So do the best you can for documenting lining up that those lines of evidence, to support and make the case.

01:11:38.000 --> 01:11:40.000
And I think with that.

01:11:40.000 --> 01:11:44.000
I believe.

01:11:44.000 --> 01:11:47.000
Is over.

01:11:47.000 --> 01:11:53.000
That is correct. So we are going to transition over to our case study. So sayed, I'm gonna.

01:11:53.000 --> 01:11:57.000
Call up the materials here, and we'll get your video back.

01:11:57.000 --> 01:12:01.000
On the screen. We're gonna pull up that worksheet where you left off.

01:12:01.000 --> 01:12:07.000
So let's see if I can get you on video.

01:12:07.000 --> 01:12:12.000
Okay, and that's perfectly fine. If you are able to unmute.

01:12:12.000 --> 01:12:14.000
You can take over.

01:12:14.000 --> 01:12:17.000
Halo Assalamualaikum warahmatullahi wabarakatuh. Oke. So.

01:12:17.000 --> 01:12:32.000
Saya talk about long term Blue Public sports dan Hold The Scenarious Now We gonna talk about the migration of time ground war.

01:12:32.000 --> 01:12:51.000
Buat rather thank you so going back to like phase as I said, Hai Innova indikator.

01:12:51.000 --> 01:13:00.000
Assessment over the years. Hmmmm hmm.

01:13:00.000 --> 01:13:30.000
And then itu salah satu velg similar Ciptaan ground water magression control and then same, in two thousand twenty three see what happens in twenty twenty twenty four and we're going to do now and di emergency come house jadi saya tidak perlu khawatir untuk meningkatkan tuntutan

01:13:42.000 --> 01:14:12.000
sixteen hello number, Hello Hello guys. Welcome back to my channel software reason since nobody was was was exposed we have changed saya ingin tahu let me go to my next slide dan Go Through the Step One of the eighty Indicator worth

01:14:17.000 --> 01:14:45.000
it jadi based on the statement says, based on the most current day on the site as a saya ingin konsider ke saya dan di antaranya hmmmmmmm.

01:14:45.000 --> 01:15:13.000
Kelihatan alfamart alfamart indah apa yang terjadi di laptop Anda di laptop Anda dan yang kedua adalah basically we look at this flow short rekan rekan.

01:15:13.000 --> 01:15:41.000
Steph two itu adalah ground Reasonable Suspect Propriately Protective Brazil Which Is Applicable promogated standards as well, as other profits profil standar dan profile standar standar standar standarnya anywhere

01:15:41.000 --> 01:15:50.000
Attended dan yang kedua adalah Question Also Yes.

01:15:50.000 --> 01:16:20.000
Hai sobat slide also shows mhm mhm pfizer pfizer four and four months.

01:16:29.000 --> 01:16:59.000
Line dua puluh lima ribu sembilan ratus sembilan puluh sembilan saya akan showing about the mcal let me bring you to my next slide so the question is is the migration of camera ground water stabilized such dan tamnel gonggolan di ekspektasi remaining within the existing area

01:17:00.000 --> 01:17:30.000
of kenyamanan wonderfulcation the signature so if we have an extraction well, where we are pumping the war based onundry dan bikin saya yasmin seperti itu middle east ponselnya.

01:17:46.000 --> 01:17:54.000
Hai Hai Hai.

01:17:54.000 --> 01:18:24.000
So based on my standing I don't know that there. Isn't any Extraction Identitasnya saya akan berbagi reservasi di rumah saya so swiss peak the working on a number of number of ninety percent mhm mhm mhm saya tidak tahu di twitter dua ribu sembilan belas dan rolls

01:18:31.000 --> 01:19:01.000
Royce dan saya akan membersihkan Nature dan Extraordinary Prevent The War Migrating Beyond The Baseball Cewek Cewek cewek cewek cewek cewek but hopefully number number more than sixty distributor real World

01:19:01.000 --> 01:19:17.000
Purwokerto, Sulawesi Selatan. Hmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmm.

01:19:17.000 --> 01:19:47.000
So i i i i i said the answer to this question is you know is the migration of contact schedule ground water healthy experience saya tidak tahu sudah berencana untuk menikmati di di creditory for environmental integrated based on what windows the ground

01:19:56.000 --> 01:20:26.000
Woman is Also potentially, pauseing the Process Weals mmmmmmm it was underground makin besar di device emergency compound investtigate so there wasn't surprised a little bit syukurlah hai pada neno es jeruk nipis

01:20:40.000 --> 01:21:06.000
cupcake office so Right Now the Ground War Migration Isn't Somebody Else doesn't make sure inovasi Hai jin di wanita cake buat sweet seventeen Hai di youtube saya akan membahas.

01:21:06.000 --> 01:21:10.000
Emily.

01:21:10.000 --> 01:21:17.000
We can go ahead, and if you're willing, come back to that after we talk about Swaru. Is that okay?

01:21:17.000 --> 01:21:23.000
Think.

01:21:23.000 --> 01:21:24.000
It.

01:21:24.000 --> 01:21:25.000
More to come from Saeed in just a few slides.

01:21:25.000 --> 01:21:26.000
Oke space so your thank you gas.

01:21:26.000 --> 01:21:27.000
Alright! What's up?

01:21:27.000 --> 01:21:28.000
Tape.

01:21:28.000 --> 01:21:30.000
Thank you.

01:21:30.000 --> 01:21:35.000
The.

01:21:35.000 --> 01:21:36.000
So.

01:21:36.000 --> 01:21:43.000
Said brought us into groundwater migration. So let's talk a little bit more about the details. There.

01:21:43.000 --> 01:21:53.000
So when you're looking at migration of contaminated groundwater as being under control for an environmental indicator, you're looking at documents.

01:21:53.000 --> 01:21:59.000
That are going to show if your grandmother contamination is below those protective risk levels.

01:21:59.000 --> 01:22:05.000
And if not, whether the migration of the contaminated groundwater is stabilized.

01:22:05.000 --> 01:22:09.000
And there is no unacceptable discharge to surface water.

01:22:09.000 --> 01:22:17.000
And monitoring is being conducted, or will be conducted to confirm that affected groundwater remains in its original area of contamination.

01:22:17.000 --> 01:22:18.000
The.

01:22:18.000 --> 01:22:28.000
The one key, I think, to understanding this environmental indicator is when you look at groundwater contaminated, especially that portion contaminated above risk.

01:22:28.000 --> 01:22:29.000
You know, acceptable risk.

01:22:29.000 --> 01:22:39.000
Isn't moving across the site, is it? Migrating across the site? It might be it might be migrating, because you don't have a remedy in place.

01:22:39.000 --> 01:22:47.000
Or you might have a remedy in place. But not all of the groundwater plumes are under control. So migration is still occurring.

01:22:47.000 --> 01:22:53.000
There's some nuances there that I wanted to clarify, so you might be.

01:22:53.000 --> 01:23:06.000
Not necessarily migrating off site which could constitute a human exposure. It's really just. Is this contamination migrating freely even within the site boundaries.

01:23:06.000 --> 01:23:12.000
But let's go ahead and come to another scenario around water.

01:23:12.000 --> 01:23:14.000
Alright, Amy!

01:23:14.000 --> 01:23:15.000
And this is Jean.

01:23:15.000 --> 01:23:17.000
Hopefully, you can hear me. Okay.

01:23:17.000 --> 01:23:18.000
Yes.

01:23:18.000 --> 01:23:19.000
Alright, beautiful.

01:23:19.000 --> 01:23:21.000
So I'm gonna.

01:23:21.000 --> 01:23:23.000
I'm going to launch a poll.

01:23:23.000 --> 01:23:26.000
And we'll go through this next scenario.

01:23:26.000 --> 01:23:35.000
So this scenario super fun site Z. Has contaminated groundwater above acceptable risks, and a pump and treat remy has been selected.

01:23:35.000 --> 01:23:37.000
I mean is on there.

01:23:37.000 --> 01:23:38.000
The remedy.

01:23:38.000 --> 01:23:40.000
Has been effective to date.

01:23:40.000 --> 01:23:44.000
Institutional control are in place and effective.

01:23:44.000 --> 01:23:46.000
Data.

01:23:46.000 --> 01:23:49.000
In firms.

01:23:49.000 --> 01:23:51.000
10.

01:23:51.000 --> 01:23:58.000
I apologize. If you guys are not. No surface data discharge to impacted water bodies is occurring.

01:23:58.000 --> 01:24:03.000
So our question is groundwater migration under control.

01:24:03.000 --> 01:24:07.000
Based on that scenario that's been described. So we've given you a poll asking.

01:24:07.000 --> 01:24:11.000
You to pick either. A. Yes, it's under control.

01:24:11.000 --> 01:24:15.000
B, no or CI need more information.

01:24:15.000 --> 01:24:19.000
So about a 3rd of the audience have shared their responses.

01:24:19.000 --> 01:24:30.000
And I'll give you all just a few more seconds to consider the information. If you have any issues with the poll, please type your answer in as a response in the QA.

01:24:30.000 --> 01:24:34.000
And I'll go ahead. About half of you have cast your vote.

01:24:34.000 --> 01:24:40.000
And my audio issues should be fully resolved in about 30 seconds. So I apologize if I'm a little grainy right now.

01:24:40.000 --> 01:24:43.000
But I'll close things out here.

01:24:43.000 --> 01:24:44.000
In.

01:24:44.000 --> 01:24:45.000
3.

01:24:45.000 --> 01:24:47.000
2.

01:24:47.000 --> 01:24:48.000
One.

01:24:48.000 --> 01:24:51.000
Alright. And so Emmy, in.

01:24:51.000 --> 01:24:52.000
Looking.

01:24:52.000 --> 01:24:59.000
It does appear as though about 80% of the audience selected. Yes.

01:24:59.000 --> 01:25:03.000
Groundwater migration is under control. What's the right answer.

01:25:03.000 --> 01:25:19.000
That is the answer. We were looking for this scenario. Sometimes we get a lot of comments where people say, Well, I need more information before I make a determination which is very common in these simplified scenarios that we provide. But we were looking for a.

01:25:19.000 --> 01:25:23.000
It being under control, some of the key words.

01:25:23.000 --> 01:25:25.000
Or in this scenario, are.

01:25:25.000 --> 01:25:35.000
That information that suggests that groundwater is stabilized, and that part about no unacceptable discharge to surface water.

01:25:35.000 --> 01:25:39.000
One thing I wanna clarify. I mentioned.

01:25:39.000 --> 01:25:47.000
Migration of contaminated groundwater across a site. In this example, where we have a pump and treating, you're going to have that.

01:25:47.000 --> 01:25:50.000
Section of contamination.

01:25:50.000 --> 01:26:13.000
Your extraction wells correct? So technically, that's movement across the site. But it is being done in a controlled way as part of remedy implementation. So that kind of movement doesn't count towards a not under control status for groundwater migration. That in this scenario, again, would still allow you to select under control.

01:26:13.000 --> 01:26:15.000
As your determination.

01:26:15.000 --> 01:26:17.000
Oh, right!

01:26:17.000 --> 01:26:21.000
Continuing on.

01:26:21.000 --> 01:26:23.000
Oh, one second.

01:26:23.000 --> 01:26:24.000
There we go!

01:26:24.000 --> 01:26:36.000
So let's look at the different types of determinations that we have for groundwater migration. We have na not applicable. Say your site doesn't have contaminated groundwater.

01:26:36.000 --> 01:26:41.000
You would not move forward with this environmental indicator. Then we have.

01:26:41.000 --> 01:26:42.000
Insufficient data.

01:26:42.000 --> 01:26:48.000
Where you don't have enough information to determine that contaminated groundwater migration control status.

01:26:48.000 --> 01:26:51.000
We have not under control.

01:26:51.000 --> 01:26:53.000
Where migration is occurring.

01:26:53.000 --> 01:26:59.000
Guard. The plume is not stabilized or it's discharging to surface water an acceptable risk levels.

01:26:59.000 --> 01:27:03.000
And lastly, where we all want to get with our sites, is.

01:27:03.000 --> 01:27:09.000
Contaminated groundwater migration under control.

01:27:09.000 --> 01:27:12.000
So.

01:27:12.000 --> 01:27:22.000
That groundwater migration under control. You have sufficient information to make a determination meaning all your contaminated groundwater plumes are fully delineated.

01:27:22.000 --> 01:27:25.000
Both horizontally and vertically. You know.

01:27:25.000 --> 01:27:27.000
What you're dealing with.

01:27:27.000 --> 01:27:36.000
Those plumes need to be stabilized, meaning they're not expanding if they happen to be shrinking because of a remedy being implemented. That's fine.

01:27:36.000 --> 01:27:44.000
And if there are discharges to surface water from that groundwater, there can't be unacceptable levels of risk.

01:27:44.000 --> 01:27:46.000
In.

01:27:46.000 --> 01:27:59.000
Water being discharged, so a quick checklist, I will say this is a very hard metric to me at times, especially when you have a very large site, with complex.

01:27:59.000 --> 01:28:17.000
Contamination and multiple plumes, it could be difficult, because again, it's a determination. So if you have 10 plumes, and one of them is not controlled as far as its migration goes, then the site wide determination is that your groundwater migration is not under control.

01:28:17.000 --> 01:28:21.000
So a few things to keep in mind when you're going through that process.

01:28:21.000 --> 01:28:22.000
But.

01:28:22.000 --> 01:28:30.000
Again. It's a site wide determination. You're looking at all the plumes across your site. Even they may be distinct.

01:28:30.000 --> 01:28:34.000
Boom, you might have some other commingled. You're looking at all of it.

01:28:34.000 --> 01:28:35.000
Another.

01:28:35.000 --> 01:28:37.000
Important thing to remember is that.

01:28:37.000 --> 01:28:43.000
This is based on the existing plume boundaries, not facility boundaries, so.

01:28:43.000 --> 01:28:52.000
Oftentimes you may have a groundwater plume of contamination that's going not only across oh, use, but might be going beyond.

01:28:52.000 --> 01:28:57.000
The site boundary, so to speak. The fence line itself.

01:28:57.000 --> 01:29:04.000
So it thinks it is based on where the groundwater contamination is not the fence line.

01:29:04.000 --> 01:29:08.000
And with monitored natural attenuation, that.

01:29:08.000 --> 01:29:19.000
Approach can be used to verify that contaminated groundwater migration is under control. If that attenuation essentially is decreasing, the size of the plume over time.

01:29:19.000 --> 01:29:20.000
And.

01:29:20.000 --> 01:29:22.000
Lastly, if there is.

01:29:22.000 --> 01:29:29.000
Discharge to surface water happening, evaluating it to make sure it doesn't present an unacceptable risk.

01:29:29.000 --> 01:29:31.000
Easy. Right.

01:29:31.000 --> 01:29:34.000
No act not necessarily very easy.

01:29:34.000 --> 01:29:47.000
So I put this worksheet here just so that you're aware that there is a worksheet. But we're not going to go through it step by step. Luckily, in our case, studies took you through that process. As he was determining the.

01:29:47.000 --> 01:29:49.000
Groundwater, migration.

01:29:49.000 --> 01:29:51.000
Indicator status for his site.

01:29:51.000 --> 01:29:56.000
So if you want more details and that definitely check out the.

01:29:56.000 --> 01:30:02.000
2022 EPA environmental indicator guidance which goes into a lot more detail.

01:30:02.000 --> 01:30:10.000
So we're going to take a look at how these environmental indicators can have impacts on other superfundants.

01:30:10.000 --> 01:30:11.000
So.

01:30:11.000 --> 01:30:14.000
A change in your ei status.

01:30:14.000 --> 01:30:21.000
For human exposure, particularly can impact other determinations. That might be information from your 5 year review.

01:30:21.000 --> 01:30:24.000
How you're turn determining risks to human health.

01:30:24.000 --> 01:30:33.000
And your site wide, ready for anticipated use. Status oru.

01:30:33.000 --> 01:30:35.000
So with 5 year review.

01:30:35.000 --> 01:30:39.000
Where these 5 year reviews are required.

01:30:39.000 --> 01:30:51.000
Pretty much at any site that has not met unlimited use, unlimited exposure, or uu the 5 Year Review. Guidance is actually the only EPA guidance that makes reference to that specific term.

01:30:51.000 --> 01:30:52.000
But.

01:30:52.000 --> 01:31:03.000
In those instances where a 5 year review is required. If there's new information, be it for a new exposure pathway, new sources of contamination, you have an emerging contaminant.

01:31:03.000 --> 01:31:15.000
Or if there's some evidence, or even uncertainty, about groundwater plume, migration, all of that might be information, or it would be information to consider in making your.

01:31:15.000 --> 01:31:18.000
Determinations for environmental indicators.

01:31:18.000 --> 01:31:28.000
Keep in mind that any of this information can affect whether the remedy is functioning as intended, and your protectiveness determinations that are part of the 5 Year Review.

01:31:28.000 --> 01:31:38.000
So there's an interconnection there that could happen. You find a new exposure pathway in your 5 year review. That information can then be used to determine. Oh.

01:31:38.000 --> 01:31:54.000
For our environmental indicator, for human health. We're going to go with, not under control because of this information. It it's a lot more site specific than that, but it gives you an idea how one can affect the other.

01:31:54.000 --> 01:31:56.000
With evaluating risk to human health.

01:31:56.000 --> 01:32:05.000
There's a few things I wanna clarify with your environmental indicators. You're using that in part as a risk communication tool to the public.

01:32:05.000 --> 01:32:20.000
So it's possible that your exposures, human health exposures, are under control before a remedy is fully implemented. That may also be for groundwater contamination. It might not be migrating freely across the site.

01:32:20.000 --> 01:32:23.000
Before remedies fully implemented.

01:32:23.000 --> 01:32:27.000
When looking at human exposures.

01:32:27.000 --> 01:32:28.000
For your human health.

01:32:28.000 --> 01:32:32.000
Environmental indicator that does not consider ecological risk.

01:32:32.000 --> 01:32:34.000
That.

01:32:34.000 --> 01:32:37.000
That isn't factored into account at all.

01:32:37.000 --> 01:32:43.000
And another thing to keep in mind, even if a site is deleted from the Npl.

01:32:43.000 --> 01:32:48.000
We must continue to evaluate that site for environmental indicators.

01:32:48.000 --> 01:32:49.000
Just a few.

01:32:49.000 --> 01:32:52.000
Helpful points there.

01:32:52.000 --> 01:33:00.000
And I want to hand it over to John to talk about Swaru, and then Syed will take us through the less of his case. Study.

01:33:00.000 --> 01:33:09.000
Sounds good, I mean, thank you. And just I wanted to reiterate a point. Emmy brought up these site wide measures like Swaroo and getting Eis under control.

01:33:09.000 --> 01:33:24.000
Can be very difficult at Federal facility. Sites. I think. On average, our Federal facility sites have 14 operable units per site. And so again, in order for you to achieve these site wide measures, all of those things have to sort of be achieved.

01:33:24.000 --> 01:33:32.000
At the at all of the operable unit levels to meet the site wide under control.

01:33:32.000 --> 01:33:44.000
And so again, you'll recall from earlier is one of the 6 primary programmers that we mentioned earlier and swaroos used for final and deleted mpl sites or saes.

01:33:44.000 --> 01:33:47.000
Where the entire site meets these 3.

01:33:47.000 --> 01:33:48.000
Criteria.

01:33:48.000 --> 01:33:51.000
The site is construction complete.

01:33:51.000 --> 01:33:56.000
All institutional controls that are required by a decision document are in place.

01:33:56.000 --> 01:34:06.000
And then the site falls into these 2 human exposure categories, and this slide walks those out a little bit better. You have the human exposure.

01:34:06.000 --> 01:34:20.000
Under control and protective remedies in place, and then you have the human exposure under control and long-term health protect the Hpr. Or the Hpa. So those.

01:34:20.000 --> 01:34:24.000
3 criteria must be met in order for you to achieve.

01:34:24.000 --> 01:34:31.000
Swabu at a Federal facility site. And currently, we have had 950 sites across the private.

01:34:31.000 --> 01:34:40.000
And Federal facilities program that have fallen into the swaru category and it and achieved that goal.

01:34:40.000 --> 01:34:45.000
And the other thing we wanted to mention is, Swaroo is one of the measures that can be retracted.

01:34:45.000 --> 01:34:48.000
So we mentioned those 3 pre.

01:34:48.000 --> 01:34:52.000
Key criteria that must be met in order to achieve Swaroo.

01:34:52.000 --> 01:34:57.000
But some of those site conditions can change right? You might have a 5 year review.

01:34:57.000 --> 01:35:02.000
Where it talks about you has changed. You might have an emerging contaminant, such as pfas.

01:35:02.000 --> 01:35:06.000
So those things can lead you to retracting a swallow.

01:35:06.000 --> 01:35:13.000
But once you get those things under control, that route can then be reapplied to the site.

01:35:13.000 --> 01:35:16.000
And say, add.

01:35:16.000 --> 01:35:19.000
Do you want to bring up your case? Study.

01:35:19.000 --> 01:35:22.000
For soar.

01:35:22.000 --> 01:35:23.000
If you're willing.

01:35:23.000 --> 01:35:53.000
Okay, beautiful. Let me call up his slide deck.

01:36:46.000 --> 01:37:07.000
Go back on another information in value as wejusted mhm mhm tegangan yang ada di dalamnya.

01:37:07.000 --> 01:37:35.000
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01:37:35.000 --> 01:38:05.000
Prime News Provider Now we're Reading jika Current Conditions tapi jika Anda ingin menonton video ini Facebook Feature dan We Can Go Back and Read A Signature jika Anda mengalami kesulitan bagi andaendas pasifikasinya tentang kebijakannya di situ Four Hundred dollars

01:38:20.000 --> 01:38:50.000
inovasi anda. Saya tidak tahu apa yang anda inginkan suaranya ntt dan hoax dan hoax tafsir sesuai dengan kebutuhan anda dan anda bisa menikmati.

01:38:53.000 --> 01:38:55.000
Alright excellent! Thank you.

01:38:55.000 --> 01:39:00.000
So I think what I'm going to do is swap us back to the presentation.

01:39:00.000 --> 01:39:05.000
And so Emmy and or John, I'm gonna pull this up on that summary slide.

01:39:05.000 --> 01:39:08.000
And then Emmy will turn the floor back to you.

01:39:08.000 --> 01:39:10.000
Awesome. Thank you, Jean.

01:39:10.000 --> 01:39:26.000
All right. So we have talked a lot about environmental indicators today, some of the highlights, though, remember, environmental indicators are designed to communicate tangible progress being made in protecting human health in the environment. It is a risk communication tool.

01:39:26.000 --> 01:39:37.000
And also if you have a change in your environmental indicator status that can have impact another program such as Swaroo, which we were just discussing.

01:39:37.000 --> 01:39:41.000
Those components are interrelated to a certain extent.

01:39:41.000 --> 01:39:47.000
With your human exposure under control and remedial action, completion.

01:39:47.000 --> 01:39:57.000
Measures. We report them to Congress and the super fund program overall has 6 performance measures on its website. If you want more information.

01:39:57.000 --> 01:40:03.000
And with the tools and resources available, such as the 22 Ei guidance.

01:40:03.000 --> 01:40:15.000
You can work with your project teams and your coordinator to make your determinations for your sites. And again, if you're not in epm, but you want to better understand the environmental indicator status at your site.

01:40:15.000 --> 01:40:24.000
Please reach out. I'm sure that Rpm. Would be more than happy to engage in a conversation with the rest of the site team.

01:40:24.000 --> 01:40:29.000
And now I believe we have a few minutes for some questions.

01:40:29.000 --> 01:40:31.000
That may have come in through the chat.

01:40:31.000 --> 01:40:37.000
We do so, I will kindly ask all of my speakers to come on camera.

01:40:37.000 --> 01:40:46.000
Because you may each want to chime in on some of these questions that are coming in. So I'll put the speakers here on spotlight.

01:40:46.000 --> 01:41:00.000
And let me add, sign in. Let me add, John, alright, and I'll just remind the audience that if you have a question that you'd like to send in, or a comment for our speakers. The QA. Is still open. Please continue to submit your messages on in.

01:41:00.000 --> 01:41:06.000
I'm gonna start with one of the questions that that came in regarding ecological indicators.

01:41:06.000 --> 01:41:15.000
So this participant asks, why are ecological indicators excluded from evaluations in an ei.

01:41:15.000 --> 01:41:21.000
Does this exclusion apply to a federal facility or 5 year review.

01:41:21.000 --> 01:41:24.000
I'll start. But if any of my other.

01:41:24.000 --> 01:41:27.000
Instructors want to jump in, please do so.

01:41:27.000 --> 01:41:45.000
So when it comes, logical receptors keep in mind that environmental indicators under the Government Performance Measures Act was really intended to better communicate to the public what is being done with their tax dollars, and one key part of that is, is your health. As a person.

01:41:45.000 --> 01:42:02.000
Safe from contamination at the sites. So we are looking at that human health exposure. And, as I had mentioned, when it talking about risk. Ecological exposures are not considered in your environmental indicator. Determinations? No, none of the steps talked about.

01:42:02.000 --> 01:42:04.000
Ecological receptors at all.

01:42:04.000 --> 01:42:13.000
However, when it comes to your 5 year review, and looking at the remedy and effectiveness, absolutely ecological risk should be taken into account.

01:42:13.000 --> 01:42:15.000
Based on the decision documents.

01:42:15.000 --> 01:42:23.000
And the cleanup levels associated not only for protection of human health but for the environment being ecological receptors as well.

01:42:23.000 --> 01:42:30.000
Cal or anyone. Did you want to add on to that.

01:42:30.000 --> 01:42:36.000
Just to double down and say, these aren't the only metrics these metrics.

01:42:36.000 --> 01:42:52.000
Particular purpose, and they grew out of a specific kind of historical moment in time. And you know it. It's not the only bite at the apple, so.

01:42:52.000 --> 01:42:53.000
Cyrus.

01:42:53.000 --> 01:43:18.000
Dan saya tidak ada simulasi keselamatan politik, our investtigations also asked as much as we do dan yang lain lain dan lain sebagainya.

01:43:18.000 --> 01:43:44.000
Ini adalah salah satu prioritas yang saya inginkan dan Mcflurry dan full charging dan float charging program and We are Wearing ini adalah Prioritas ini adalah.

01:43:44.000 --> 01:43:45.000
Well, great.

01:43:45.000 --> 01:43:50.000
We have a question about a few site scenarios.

01:43:50.000 --> 01:43:57.000
What if municipality is able to blend its water such that it meets the Mcl's.

01:43:57.000 --> 01:44:01.000
Is the Ei still Hnc.

01:44:01.000 --> 01:44:08.000
Even if one or more drinking water wells have mclidances.

01:44:08.000 --> 01:44:09.000
I could take that.

01:44:09.000 --> 01:44:10.000
Okay.

01:44:10.000 --> 01:44:16.000
W. You know, we've had several kind of experiences. Around this.

01:44:16.000 --> 01:44:21.000
Similar scenario. Right? In one case.

01:44:21.000 --> 01:44:25.000
We had you know we.

01:44:25.000 --> 01:44:28.000
You could take a well offline.

01:44:28.000 --> 01:44:34.000
For example, and just not include the contaminated water in the blend.

01:44:34.000 --> 01:44:43.000
Or if it's low enough, and you can ensure that the mixture will remain below the Mcl.

01:44:43.000 --> 01:44:46.000
It. It's possible, but I think

01:44:46.000 --> 01:44:54.000
It. It depends. It depends on the concentrations of the pfas. The movement of the plume.

01:44:54.000 --> 01:45:19.000
Whether you know, we could be confident that the blending will be sufficient over the long term. So it it's something, you know. We're gonna a ask a lot of questions. Look at a lot of different parameters before we make that determination. But we have seen, you know, examples where they have blended. We've seen examples where they've just taken one.

01:45:19.000 --> 01:45:25.000
Offline and the full gamut, so.

01:45:25.000 --> 01:45:27.000
Hope that's helpful.

01:45:27.000 --> 01:45:29.000
Okay.

01:45:29.000 --> 01:45:38.000
Alright, we have another question, what if a site has potential surface water or sediment due to storm water, runoff.

01:45:38.000 --> 01:45:44.000
Or perhaps there are springs on the site that could be impacting groundwater and surface water.

01:45:44.000 --> 01:45:54.000
But you don't have any analytical work, for example, like a die tracer to actually prove this or add this to your Csm. Cal. I see your head is nodding. Any thoughts on this scenario.

01:45:54.000 --> 01:45:58.000
Yeah, you know it. It.

01:45:58.000 --> 01:46:02.000
A couple of things.

01:46:02.000 --> 01:46:06.000
Drinking water has been

01:46:06.000 --> 01:46:11.000
A means a major focus of efforts. With pfas.

01:46:11.000 --> 01:46:13.000
And emerging contaminants.

01:46:13.000 --> 01:46:31.000
In general, because it is, you know, a known kind of exposure route. It's it's often a very important exposure route. But I think one of the things that from an environmental indicator standpoint that that could.

01:46:31.000 --> 01:46:32.000
That makes a difference.

01:46:32.000 --> 01:46:34.000
And

01:46:34.000 --> 01:46:47.000
You know, when you have an Mcl. A promulgated standard. That's a bright line in the sand that you can use to measure unacceptable exposure.

01:46:47.000 --> 01:46:58.000
There may be screening values available like we don't have a similar promulgated standard often, for like soil or

01:46:58.000 --> 01:47:04.000
Springs things like that. So it requires a risk assessment.

01:47:04.000 --> 01:47:07.000
To determine if the conditions are.

01:47:07.000 --> 01:47:24.000
Unacceptable. Now, obviously there are outliers here. There could be like screaming high concentrations of an emerging contaminant that's released into an environment that leads to direct exposures or indirect, even through fish.

01:47:24.000 --> 01:47:28.000
Phishing scenario. So it.

01:47:28.000 --> 01:47:32.000
I can. I can. See I could see

01:47:32.000 --> 01:47:36.000
I can envision ex the scenarios where

01:47:36.000 --> 01:47:39.000
These other expose other media.

01:47:39.000 --> 01:47:40.000
Can.

01:47:40.000 --> 01:47:41.000
Be a driver here.

01:47:41.000 --> 01:47:44.000
But often.

01:47:44.000 --> 01:47:53.000
It just it. It often falls in the gray area where you require a risk, assessment and kind of a longer term. Investigation.

01:47:53.000 --> 01:47:56.000
So I'll stop there.

01:47:56.000 --> 01:47:58.000
Alright!

01:47:58.000 --> 01:48:04.000
How we have a few questions on the evaluations. Are these evaluations.

01:48:04.000 --> 01:48:08.000
Or assessments updated on a routine date each year.

01:48:08.000 --> 01:48:13.000
So I'm I'm interpreting like, is it January one every year, or does it vary by site?

01:48:13.000 --> 01:48:32.000
Yeah, we ask that the environmental indicators are updated annually, and if more information becomes available before that, they can be updated more frequently than annually. So at the very latest annually. And we do do data checks with the regions.

01:48:32.000 --> 01:48:33.000
Okay.

01:48:33.000 --> 01:48:36.000
Every 6 months where they get notified. If they're environmental indicators are out to date. So we are very prompt on keeping those up to date.

01:48:36.000 --> 01:48:37.000
Excellent.

01:48:37.000 --> 01:48:43.000
Is anyone aware if States have their own metrics like this?

01:48:43.000 --> 01:48:45.000
So as far as.

01:48:45.000 --> 01:48:49.000
The metrics are States. Many states have a.

01:48:49.000 --> 01:48:52.000
A delegated record program.

01:48:52.000 --> 01:49:11.000
Recra has its own metrics for environmental indicators. So in that case, if it's a state run program, then they would be making the determination for those that don't have a delegated program. I am unsure. If there are similar metrics like the environmental indicators.

01:49:11.000 --> 01:49:16.000
Alright Cal, I think I have another question for you, scenario, if you will.

01:49:16.000 --> 01:49:26.000
This one is asking if when we've got water and it's being pumped to a Wtf, does that constitute a control?

01:49:26.000 --> 01:49:30.000
I assume the the what the water treatment, facility, it.

01:49:30.000 --> 01:49:42.000
It depends right? So you might have an air stripper in place, and that will address the volatiles. But not

01:49:42.000 --> 01:49:48.000
Contaminants like pfas, right? But it more commonly we do see

01:49:48.000 --> 01:50:02.000
You know, there there could be a treatment like granular activated carbon in place, which is, in fact, effective to remove P fasts. If it is

01:50:02.000 --> 01:50:04.000
Up.

01:50:04.000 --> 01:50:05.000
If it's.

01:50:05.000 --> 01:50:28.000
Kind of tested and intended to do that. So what we'll ask is, you know. Do you? Can you do sampling of the influence and the affluent to confirm that your carbon is not only the legacy contaminants like tce or pce, but also the P. Fasts. So it may need to be optimized.

01:50:28.000 --> 01:50:40.000
To remove the additional P. Fast contaminants. But you know you, you can't assume that it's effective.

01:50:40.000 --> 01:50:41.000
Excellent.

01:50:41.000 --> 01:50:46.000
Sayed, we have a question for you, and this is about completing the worksheets.

01:50:46.000 --> 01:50:57.000
I suspect. This is an Rpm. Who has never done this before, and they wanted to know if if you are completing a worksheet like this for the 1st time. Do you have any tips or recommendations.

01:50:57.000 --> 01:51:04.000
For someone who is going through an evaluation for the 1st time.

01:51:04.000 --> 01:51:34.000
You don't have any Good thing. You know you don't Need to know What you're doing is the Ground War concomm nation completely am always you have good understanding of the ground war we did some small questions that showers that some cases we don't have the information so now I guess there are

01:51:37.000 --> 01:52:07.000
sinarly tarifnya danarifnya dan endorse saya akan komplit I think it it does all the scenarious very well so somebody who was new york pm in supervan I would say you know saddam with your boss saya ingin bertanya mengenai microsoft word the nature and extended

01:52:11.000 --> 01:52:21.000
Contact National on the different contamence emerging containments that maybe coming up I mean right now as you software right?

01:52:21.000 --> 01:52:38.000
Now and we have somewhere problem. Going on there so you don't need to have a standing the full charges.

01:52:38.000 --> 01:52:46.000
Saya pikir pikir.

01:52:46.000 --> 01:52:47.000
Hai guys.

01:52:47.000 --> 01:53:03.000
The other thing I would add to that, Syed is, each region has a coordinator for environmental indicators, and they can help you walk through some of these worksheets. So if that's from an EPA person, have a conversation with your management and identify who is your ei coordinator in the region, and they can. And there's an Ei coordinator here at headquarters as well. They can help.

01:53:03.000 --> 01:53:06.000
Help you get to the answer on those. If you have any problems with it.

01:53:06.000 --> 01:53:09.000
Nafsu lebih lanjut.

01:53:09.000 --> 01:53:34.000
Alright. So I do have to do some moderator duties here, and it looks as though we are coming right up on that scheduled end time of approximately 3 Pm. Eastern so what I think I'd like to do, because there are a handful of additional questions in the queue. But I do. A lot of these questions tend to be a bit more site, specific or policy oriented and asking about some future changes or things that might be coming up from the agency.

01:53:34.000 --> 01:53:35.000
Perspective.

01:53:35.000 --> 01:53:45.000
So, Emmy, if there were some outstanding questions or someone wanted to follow up with some site specific questions, what can they do if they'd like to carry on the conversation beyond today.

01:53:45.000 --> 01:53:52.000
You're welcome to reach out to any of the names you see on screen. We're happy, and I'm sure Syed would be happy to answer questions as well to help the ends.

01:53:52.000 --> 01:53:54.000
Asli.

01:53:54.000 --> 01:53:58.000
And we'd be happy to help try and answer those questions for you.

01:53:58.000 --> 01:54:03.000
If it's very site specific, we may ask you to reach out to someone in the region, though.

01:54:03.000 --> 01:54:05.000
Instead of someone at headquarters.

01:54:05.000 --> 01:54:07.000
Alright, excellent.

01:54:07.000 --> 01:54:31.000
Well, I think what I'm going to do is again where this moderator had and where it probably I'm gonna take over control and walk through some final closing reminders today. But I will be the 1st one to say thank you to all of the presenters and organizers who took time out of their day to share their time and their expertise, as well as the nearly 150 individuals who joined us from all over the globe for.

01:54:31.000 --> 01:54:32.000
Today's session.

01:54:32.000 --> 01:54:47.000
Remember this, webinar is part of an ongoing webinar series. So hopefully, you will come back on September 12, th when the Federal facilities online Academy will carry on with the session on record of decisions or rods, and more at Federal facilities.

01:54:47.000 --> 01:54:55.000
Again, we'll have additional information on this session on the Cleanup information network. And speaking of which.

01:54:55.000 --> 01:55:10.000
I encourage you to visit us@cluin.org, for additional information related to hazardous site cleanup. And please be sure to sign up for our Free Monthly Newsletter Tech Direct, which I send out on the 1st of each month, and highlight sessions such as today's Webinar.

01:55:10.000 --> 01:55:26.000
If you joined us a little bit late, just a gentle reminder that there is a seminar homepage available for today's webinar, where you can find copies of the presentation materials in the format of a file known as the Student Manual contains the slides as well as supplemental notes and links.

01:55:26.000 --> 01:55:50.000
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01:56:47.000 --> 01:57:02.000
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01:57:02.000 --> 01:57:13.000
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01:57:13.000 --> 01:57:21.000
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01:57:21.000 --> 01:57:51.000
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