Characterization, Cleanup, and Revitalization of Mining Sites
Treatment Technologies for Mining-Influenced Water Profile
Technology: Permeable reactive barrier (PRB)
- Report
- BALLARD MINE PRB4 TREATABILITY STUDY EVALUATION REPORT, Ballard Mine Remedial Design Revision 0
Source or source contact: Lynne Hood , Remedial Project Manager, Hood.Lynne@epa.gov, (208) 378-5757
Publication Date: 12/31/2023
Document Type: PDF
Author: Stantec Consulting Services
Prepared for: P4 Production, LLC
Site Identifiers
| Site Name: | BALLARD MINE |
| EPA CERCLA ID: | IDN001002859 |
| Parent Name (if applicable): | N/A |
Miscellaneous Study Information
| Operable Unit (OU): | N/A |
| Sample Site ID: | PRB4-1 |
| Site Status: | Post operations |
| Technology Tested: | Bio mulch permeable reactor barrier (PRB) |
| Technology Type: | Passive |
| Technology Name: | Permeable reactive barrier (PRB) |
| Pre-treatment or No Pre-treatment: | No pre-treatment |
| Source of MIW: | Waste Rock from historical mining/shallow groundwater |
| Treatment Train? (Y/N): | N |
| Specific Component for Performance Data: | N/A |
| Technology Requirements: | Data not provided |
| Geographic conditions/constraints: | Located north-northeast of Soda Springs, Idaho. Accessed via a road off of State Highway 34. |
| Scale: | Data not provided |
| Duration of Study: | 2018 - 2022 |
Data Set #1
Constituent Information
| Constituent: | Arsenic |
| Constituent Phase: | As, total µg/L |
| Reported as Load (Y/N): | N |
Pond Depth: N/A
Max influent/associated effluent
| Max. Influent/ |
0.3–2.5 |
| Associated Effluent/ | 1.1–1.8 |
| % Removal Efficiency (calculated): | (-)500 - 56 |
Min influent/associated effluent
| Min. Influent/ |
Data not provided |
| Associated Effluent/ | Data not provided |
| % Removal Efficiency (calculated): | Not Applicable |
Max effluent/associated influent
| Max. Effluent/ |
Data not provided |
| Associated Influent/ | Data not provided |
| % Removal Efficiency (calculated) | Not Applicable |
Min effluent/associated influent
| Min. Effluent/ |
Data not provided |
| Associated Influent/ | Data not provided |
| % Removal Efficiency (calculated): | Not Applicable |
Avg. influent concentration/associated time
| Avg. Influent/ |
Data not provided |
| Avg. Associated Time (Influent/ |
Data not provided |
Med. influent concentration/associated time
| Med. Influent/ |
Data not provided |
| Avg. Associated Time (Influent/ |
Data not provided |
Avg. effluent concentration/associated time period
| Avg. Effluent/ |
Data not provided |
| Avg. Associated Time (Effluent/ |
Data not provided |
Med. effluent concentration/associated time period
| Med. Effluent/ |
Data not provided |
| Avg. Associated Time (Effluent/ |
Data not provided |
Parameters and water chemistry associated with documented concentrations
| Avg Percent Removal (reported): | Data not provided |
| Influent/Pre/Upgradient or Effluent/ | Post-installation (Dec. 2021 - Oct. 2022) |
| pH: | 7.29–8.63 |
| DO: | 6.55–9.5 mg/L |
| Water Temperature: | 6.6–10.1 °C |
| Air Temperature: | Data not provided |
| Eh: | Data not provided |
| ORP: | 30–198.5 mV |
| Specific Conductivity: | 417.8–549 µS/cm |
| Other Parameters: | 0.02–57.7 (turbidity) NTU |
Load Information
| Loads Treated: | Data not provided |
| Flows treated: | Data not provided |
| Flow rate: | Data not provided |
Treatment Evaluation
| Were treatment goals met? (Y/N): | Y |
| Performance Metrics: | 10 µg/L; EPA National Primary Drinking Water Regulations MCL (maximum contaminant level) |
| Limitations/Constraints: | PRB-treated water is present at PRB4-3, but PRB-treated water does not appear to be present at PRB4-1; PRB4-1 is assumed to be cross-gradient from PRB4. |
| Longevity Estimates: | Data not provided |
| Lessons Learned: | Field and laboratory parameter concentrations were variable during the 2022 sampling period. Longer-term monitoring is needed to evaluate if concentrations/measurements stabilize over time or continue to fluctuate due to spring runoff or other factors. |
| Reported Cost Data: | Data not provided |
| Other design details: | Components of the treatment media include 50% inert support media (quartzite sand), 12.5% chopped alfalfa hay, and 37.5% wood chips and shavings. Groundwater well located downstream of PRB. |
| Other performance details: | Data not provided |
| Limitations to data found: | Data not provided |
Notes: COC values shown are not maximum values, but a range of values for the study period
Data Set #2
Constituent Information
| Constituent: | Cadmium |
| Constituent Phase: | Cd, total µg/L |
| Reported as Load (Y/N): | N |
Pond Depth: N/A
Max influent/associated effluent
| Max. Influent/ |
Data not provided |
| Associated Effluent/ | < 0.080 (ND) |
| % Removal Efficiency (calculated): | Not Applicable |
Min influent/associated effluent
| Min. Influent/ |
Data not provided |
| Associated Effluent/ | Data not provided |
| % Removal Efficiency (calculated): | Not Applicable |
Max effluent/associated influent
| Max. Effluent/ |
Data not provided |
| Associated Influent/ | Data not provided |
| % Removal Efficiency (calculated) | Not Applicable |
Min effluent/associated influent
| Min. Effluent/ |
Data not provided |
| Associated Influent/ | Data not provided |
| % Removal Efficiency (calculated): | Not Applicable |
Avg. influent concentration/associated time
| Avg. Influent/ |
Data not provided |
| Avg. Associated Time (Influent/ |
Data not provided |
Med. influent concentration/associated time
| Med. Influent/ |
Data not provided |
| Avg. Associated Time (Influent/ |
Data not provided |
Avg. effluent concentration/associated time period
| Avg. Effluent/ |
Data not provided |
| Avg. Associated Time (Effluent/ |
Data not provided |
Med. effluent concentration/associated time period
| Med. Effluent/ |
Data not provided |
| Avg. Associated Time (Effluent/ |
Data not provided |
Parameters and water chemistry associated with documented concentrations
| Avg Percent Removal (reported): | Data not provided |
| Influent/Pre/Upgradient or Effluent/ | Post-installation (Dec. 2021 - Oct. 2022) |
| pH: | 7.29–8.63 |
| DO: | 6.55–9.5 mg/L |
| Water Temperature: | 6.6–10.1 °C |
| Air Temperature: | Data not provided |
| Eh: | Data not provided |
| ORP: | 30–198.5 mV |
| Specific Conductivity: | 417.8–549 µS/cm |
| Other Parameters: | 0.02–57.7 (turbidity) NTU |
Load Information
| Loads Treated: | Data not provided |
| Flows treated: | Data not provided |
| Flow rate: | Data not provided |
Treatment Evaluation
| Were treatment goals met? (Y/N): | Y |
| Performance Metrics: | 5 µg/L; EPA National Primary Drinking Water Regulations MCL (maximum contaminant level) |
| Limitations/Constraints: | PRB-treated water is present at PRB4-3, but PRB-treated water does not appear to be present at PRB4-1; PRB4-1 is assumed to be cross-gradient from PRB4. |
| Longevity Estimates: | Data not provided |
| Lessons Learned: | Field and laboratory parameter concentrations were variable during the 2022 sampling period. Longer-term monitoring is needed to evaluate if concentrations/measurements stabilize over time or continue to fluctuate due to spring runoff or other factors. |
| Reported Cost Data: | Data not provided |
| Other design details: | Components of the treatment media include 50% inert support media (quartzite sand), 12.5% chopped alfalfa hay, and 37.5% wood chips and shavings. Groundwater well located downstream of PRB. |
| Other performance details: | pre-installation concentrations were below cleanup levels |
| Limitations to data found: | Pre-installation values were not included in the report, but all were below the MCL. |
Notes: COC values shown are not maximum values, but a range of values for the study period. ND = non-detect
Data Set #3
Constituent Information
| Constituent: | Manganese |
| Constituent Phase: | Mn, total µg/L |
| Reported as Load (Y/N): | N |
Pond Depth: N/A
Max influent/associated effluent
| Max. Influent/ |
6–537 |
| Associated Effluent/ | 11.1–43.4 |
| % Removal Efficiency (calculated): | (-)623.3 - 97.9 |
Min influent/associated effluent
| Min. Influent/ |
Data not provided |
| Associated Effluent/ | Data not provided |
| % Removal Efficiency (calculated): | Not Applicable |
Max effluent/associated influent
| Max. Effluent/ |
Data not provided |
| Associated Influent/ | Data not provided |
| % Removal Efficiency (calculated) | Not Applicable |
Min effluent/associated influent
| Min. Effluent/ |
Data not provided |
| Associated Influent/ | Data not provided |
| % Removal Efficiency (calculated): | Not Applicable |
Avg. influent concentration/associated time
| Avg. Influent/ |
Data not provided |
| Avg. Associated Time (Influent/ |
Data not provided |
Med. influent concentration/associated time
| Med. Influent/ |
Data not provided |
| Avg. Associated Time (Influent/ |
Data not provided |
Avg. effluent concentration/associated time period
| Avg. Effluent/ |
Data not provided |
| Avg. Associated Time (Effluent/ |
Data not provided |
Med. effluent concentration/associated time period
| Med. Effluent/ |
Data not provided |
| Avg. Associated Time (Effluent/ |
Data not provided |
Parameters and water chemistry associated with documented concentrations
| Avg Percent Removal (reported): | Data not provided |
| Influent/Pre/Upgradient or Effluent/ | Post-installation (Dec. 2021 - Oct. 2022) |
| pH: | 7.29–8.63 |
| DO: | 6.55–9.5 mg/L |
| Water Temperature: | 6.6–10.1 °C |
| Air Temperature: | Data not provided |
| Eh: | Data not provided |
| ORP: | 30–198.5 mV |
| Specific Conductivity: | 417.8–549 µS/cm |
| Other Parameters: | 0.02–57.7 (turbidity) NTU |
Load Information
| Loads Treated: | Data not provided |
| Flows treated: | Data not provided |
| Flow rate: | Data not provided |
Treatment Evaluation
| Were treatment goals met? (Y/N): | Data not provided |
| Performance Metrics: | Data not provided |
| Limitations/Constraints: | PRB-treated water is present at PRB4-3, but PRB-treated water does not appear to be present at PRB4-1; PRB4-1 is assumed to be cross-gradient from PRB4. |
| Longevity Estimates: | Data not provided |
| Lessons Learned: | Field and laboratory parameter concentrations were variable during the 2022 sampling period. Longer-term monitoring is needed to evaluate if concentrations/measurements stabilize over time or continue to fluctuate due to spring runoff or other factors. |
| Reported Cost Data: | Data not provided |
| Other design details: | Components of the treatment media include 50% inert support media (quartzite sand), 12.5% chopped alfalfa hay, and 37.5% wood chips and shavings. Groundwater well located downstream of PRB. |
| Other performance details: | Data not provided |
| Limitations to data found: | Data not provided |
Notes: COC values shown are not maximum values, but a range of values for the study period
Data Set #4
Constituent Information
| Constituent: | Selenium |
| Constituent Phase: | Se, total µg/L |
| Reported as Load (Y/N): | N |
Pond Depth: N/A
Max influent/associated effluent
| Max. Influent/ |
10–15 |
| Associated Effluent/ | 12.5–26.8 |
| % Removal Efficiency (calculated): | (-)168 - 16.6 |
Min influent/associated effluent
| Min. Influent/ |
Data not provided |
| Associated Effluent/ | Data not provided |
| % Removal Efficiency (calculated): | Not Applicable |
Max effluent/associated influent
| Max. Effluent/ |
Data not provided |
| Associated Influent/ | Data not provided |
| % Removal Efficiency (calculated) | Not Applicable |
Min effluent/associated influent
| Min. Effluent/ |
Data not provided |
| Associated Influent/ | Data not provided |
| % Removal Efficiency (calculated): | Not Applicable |
Avg. influent concentration/associated time
| Avg. Influent/ |
Data not provided |
| Avg. Associated Time (Influent/ |
Data not provided |
Med. influent concentration/associated time
| Med. Influent/ |
Data not provided |
| Avg. Associated Time (Influent/ |
Data not provided |
Avg. effluent concentration/associated time period
| Avg. Effluent/ |
Data not provided |
| Avg. Associated Time (Effluent/ |
Data not provided |
Med. effluent concentration/associated time period
| Med. Effluent/ |
Data not provided |
| Avg. Associated Time (Effluent/ |
Data not provided |
Parameters and water chemistry associated with documented concentrations
| Avg Percent Removal (reported): | Data not provided |
| Influent/Pre/Upgradient or Effluent/ | Post-installation (Dec. 2021 - Oct. 2022) |
| pH: | 7.29–8.63 |
| DO: | 6.55–9.5 mg/L |
| Water Temperature: | 6.6–10.1 °C |
| Air Temperature: | Data not provided |
| Eh: | Data not provided |
| ORP: | 30–198.5 mV |
| Specific Conductivity: | 417.8–549 µS/cm |
| Other Parameters: | 0.02–57.7 (turbidity) NTU |
Load Information
| Loads Treated: | Data not provided |
| Flows treated: | Data not provided |
| Flow rate: | Data not provided |
Treatment Evaluation
| Were treatment goals met? (Y/N): | Y |
| Performance Metrics: | 50 µg/L; EPA National Primary Drinking Water Regulations MCL (maximum contaminant level) |
| Limitations/Constraints: | PRB-treated water is present at PRB4-3, but PRB-treated water does not appear to be present at PRB4-1; PRB4-1 is assumed to be cross-gradient from PRB4. |
| Longevity Estimates: | Data not provided |
| Lessons Learned: | Field and laboratory parameter concentrations were variable during the 2022 sampling period. Longer-term monitoring is needed to evaluate if concentrations/measurements stabilize over time or continue to fluctuate due to spring runoff or other factors. |
| Reported Cost Data: | Data not provided |
| Other design details: | Components of the treatment media include 50% inert support media (quartzite sand), 12.5% chopped alfalfa hay, and 37.5% wood chips and shavings. Groundwater well located downstream of PRB. |
| Other performance details: | pre-installation concentrations were below cleanup levels |
| Limitations to data found: | Data not provided |
Notes: COC values shown are not maximum values, but a range of values for the study period
Data Set #5
Constituent Information
| Constituent: | Sulfate |
| Constituent Phase: | Sulfate, dissolved µg/L |
| Reported as Load (Y/N): | N |
Pond Depth: N/A
Max influent/associated effluent
| Max. Influent/ |
47.4–52.9 |
| Associated Effluent/ | 29.7–57.2 |
| % Removal Efficiency (calculated): | (-)20.7 - 43.9 |
Min influent/associated effluent
| Min. Influent/ |
Data not provided |
| Associated Effluent/ | Data not provided |
| % Removal Efficiency (calculated): | Not Applicable |
Max effluent/associated influent
| Max. Effluent/ |
Data not provided |
| Associated Influent/ | Data not provided |
| % Removal Efficiency (calculated) | Not Applicable |
Min effluent/associated influent
| Min. Effluent/ |
Data not provided |
| Associated Influent/ | Data not provided |
| % Removal Efficiency (calculated): | Not Applicable |
Avg. influent concentration/associated time
| Avg. Influent/ |
Data not provided |
| Avg. Associated Time (Influent/ |
Data not provided |
Med. influent concentration/associated time
| Med. Influent/ |
Data not provided |
| Avg. Associated Time (Influent/ |
Data not provided |
Avg. effluent concentration/associated time period
| Avg. Effluent/ |
Data not provided |
| Avg. Associated Time (Effluent/ |
Data not provided |
Med. effluent concentration/associated time period
| Med. Effluent/ |
Data not provided |
| Avg. Associated Time (Effluent/ |
Data not provided |
Parameters and water chemistry associated with documented concentrations
| Avg Percent Removal (reported): | Data not provided |
| Influent/Pre/Upgradient or Effluent/ | Post-installation (Dec. 2021 - Oct. 2022) |
| pH: | 7.29–8.63 |
| DO: | 6.55–9.5 mg/L |
| Water Temperature: | 6.6–10.1 °C |
| Air Temperature: | Data not provided |
| Eh: | Data not provided |
| ORP: | 30–198.5 mV |
| Specific Conductivity: | 417.8–549 µS/cm |
| Other Parameters: | 0.02–57.7 (turbidity) NTU |
Load Information
| Loads Treated: | Data not provided |
| Flows treated: | Data not provided |
| Flow rate: | Data not provided |
Treatment Evaluation
| Were treatment goals met? (Y/N): | Data not provided |
| Performance Metrics: | Data not provided |
| Limitations/Constraints: | PRB-treated water is present at PRB4-3, but PRB-treated water does not appear to be present at PRB4-1; PRB4-1 is assumed to be cross-gradient from PRB4. |
| Longevity Estimates: | Data not provided |
| Lessons Learned: | Field and laboratory parameter concentrations were variable during the 2022 sampling period. Longer-term monitoring is needed to evaluate if concentrations/measurements stabilize over time or continue to fluctuate due to spring runoff or other factors. |
| Reported Cost Data: | Data not provided |
| Other design details: | Components of the treatment media include 50% inert support media (quartzite sand), 12.5% chopped alfalfa hay, and 37.5% wood chips and shavings. Groundwater well located downstream of PRB. |
| Other performance details: | Data not provided |
| Limitations to data found: | Data not provided |
Notes: COC values shown are not maximum values, but a range of values for the study period
- Report
- BALLARD MINE PRB4 TREATABILITY STUDY EVALUATION REPORT, Ballard Mine Remedial Design Revision 0
Source or source contact: Lynne Hood , Remedial Project Manager, Hood.Lynne@epa.gov, (208) 378-5757
Publication Date: 12/31/2023
Document Type: PDF
Author: Stantec Consulting Services
Prepared for: P4 Production, LLC
Site Identifiers
| Site Name: | BALLARD MINE |
| EPA CERCLA ID: | IDN001002859 |
| Parent Name (if applicable): | N/A |
Miscellaneous Study Information
| Operable Unit (OU): | N/A |
| Sample Site ID: | PRB4-3 |
| Site Status: | Post operations |
| Technology Tested: | Bio mulch permeable reactor barrier (PRB) |
| Technology Type: | Passive |
| Technology Name: | Permeable reactive barrier (PRB) |
| Pre-treatment or No Pre-treatment: | No pre-treatment |
| Source of MIW: | Waste Rock from historical mining/shallow groundwater |
| Treatment Train? (Y/N): | N |
| Specific Component for Performance Data: | N/A |
| Technology Requirements: | Data not provided |
| Geographic conditions/constraints: | Located north-northeast of Soda Springs, Idaho. Accessed via a road off of State Highway 34. |
| Scale: | Data not provided |
| Duration of Study: | 2018 - 2022 |
Data Set #1
Constituent Information
| Constituent: | Arsenic |
| Constituent Phase: | As, total µg/L |
| Reported as Load (Y/N): | N |
Pond Depth: N/A
Max influent/associated effluent
| Max. Influent/ |
0.3–2.5 |
| Associated Effluent/ | < 0.5 (ND)–0.88 |
| % Removal Efficiency (calculated): | (-)193.33-90 |
Min influent/associated effluent
| Min. Influent/ |
Data not provided |
| Associated Effluent/ | Data not provided |
| % Removal Efficiency (calculated): | Not Applicable |
Max effluent/associated influent
| Max. Effluent/ |
Data not provided |
| Associated Influent/ | Data not provided |
| % Removal Efficiency (calculated) | Not Applicable |
Min effluent/associated influent
| Min. Effluent/ |
Data not provided |
| Associated Influent/ | Data not provided |
| % Removal Efficiency (calculated): | Not Applicable |
Avg. influent concentration/associated time
| Avg. Influent/ |
Data not provided |
| Avg. Associated Time (Influent/ |
Data not provided |
Med. influent concentration/associated time
| Med. Influent/ |
Data not provided |
| Avg. Associated Time (Influent/ |
Data not provided |
Avg. effluent concentration/associated time period
| Avg. Effluent/ |
Data not provided |
| Avg. Associated Time (Effluent/ |
Data not provided |
Med. effluent concentration/associated time period
| Med. Effluent/ |
Data not provided |
| Avg. Associated Time (Effluent/ |
Data not provided |
Parameters and water chemistry associated with documented concentrations
| Avg Percent Removal (reported): | Data not provided |
| Influent/Pre/Upgradient or Effluent/ | Post-installation (May 2022 - Oct. 2022) |
| pH: | 6.8–9.23 |
| DO: | 1.59–8.45 mg/L |
| Water Temperature: | 6.4–11.4 °C |
| Air Temperature: | Data not provided |
| Eh: | Data not provided |
| ORP: | (-)14.7–155.8 mV |
| Specific Conductivity: | 419.2–600.1 µS/cm |
| Other Parameters: | 0.02–4.52 (turbidity) NTU |
Load Information
| Loads Treated: | Data not provided |
| Flows treated: | Data not provided |
| Flow rate: | Data not provided |
Treatment Evaluation
| Were treatment goals met? (Y/N): | Y |
| Performance Metrics: | 10 µg/L; EPA National Primary Drinking Water Regulations MCL (maximum contaminant level) |
| Limitations/Constraints: | PRB-treated water is present at PRB4-3, but PRB-treated water does not appear to be present at PRB4-1; PRB4-1 is assumed to be cross-gradient from PRB4. |
| Longevity Estimates: | Data not provided |
| Lessons Learned: | Field and laboratory parameter concentrations were variable during the 2022 sampling period. Longer-term monitoring is needed to evaluate if concentrations/measurements stabilize over time or continue to fluctuate due to spring runoff or other factors. |
| Reported Cost Data: | Data not provided |
| Other design details: | Components of the treatment media include 50% inert support media (quartzite sand), 12.5% chopped alfalfa hay, and 37.5% wood chips and shavings. Groundwater well located downstream of PRB. |
| Other performance details: | Data not provided |
| Limitations to data found: | Data not provided |
Notes: COC values shown are not maximum values, but a range of values for the study period. ND = non-detect
Data Set #2
Constituent Information
| Constituent: | Cadmium |
| Constituent Phase: | Cd, total µg/L |
| Reported as Load (Y/N): | N |
Pond Depth: N/A
Max influent/associated effluent
| Max. Influent/ |
Data not provided |
| Associated Effluent/ | < 0.080 (ND) |
| % Removal Efficiency (calculated): | Not Applicable |
Min influent/associated effluent
| Min. Influent/ |
Data not provided |
| Associated Effluent/ | Data not provided |
| % Removal Efficiency (calculated): | Not Applicable |
Max effluent/associated influent
| Max. Effluent/ |
Data not provided |
| Associated Influent/ | Data not provided |
| % Removal Efficiency (calculated) | Not Applicable |
Min effluent/associated influent
| Min. Effluent/ |
Data not provided |
| Associated Influent/ | Data not provided |
| % Removal Efficiency (calculated): | Not Applicable |
Avg. influent concentration/associated time
| Avg. Influent/ |
Data not provided |
| Avg. Associated Time (Influent/ |
Data not provided |
Med. influent concentration/associated time
| Med. Influent/ |
Data not provided |
| Avg. Associated Time (Influent/ |
Data not provided |
Avg. effluent concentration/associated time period
| Avg. Effluent/ |
Data not provided |
| Avg. Associated Time (Effluent/ |
Data not provided |
Med. effluent concentration/associated time period
| Med. Effluent/ |
Data not provided |
| Avg. Associated Time (Effluent/ |
Data not provided |
Parameters and water chemistry associated with documented concentrations
| Avg Percent Removal (reported): | Data not provided |
| Influent/Pre/Upgradient or Effluent/ | Post-installation (May 2022 - Oct. 2022) |
| pH: | 6.8–9.23 |
| DO: | 1.59–8.45 mg/L |
| Water Temperature: | 6.4–11.4 °C |
| Air Temperature: | Data not provided |
| Eh: | Data not provided |
| ORP: | (-)14.7–155.8 mV |
| Specific Conductivity: | 419.2–600.1 µS/cm |
| Other Parameters: | 0.02–4.52 (turbidity) NTU |
Load Information
| Loads Treated: | Data not provided |
| Flows treated: | Data not provided |
| Flow rate: | Data not provided |
Treatment Evaluation
| Were treatment goals met? (Y/N): | Y |
| Performance Metrics: | 5 µg/L; EPA National Primary Drinking Water Regulations MCL (maximum contaminant level) |
| Limitations/Constraints: | PRB-treated water is present at PRB4-3, but PRB-treated water does not appear to be present at PRB4-1; PRB4-1 is assumed to be cross-gradient from PRB4. |
| Longevity Estimates: | Data not provided |
| Lessons Learned: | Field and laboratory parameter concentrations were variable during the 2022 sampling period. Longer-term monitoring is needed to evaluate if concentrations/measurements stabilize over time or continue to fluctuate due to spring runoff or other factors. |
| Reported Cost Data: | Data not provided |
| Other design details: | Components of the treatment media include 50% inert support media (quartzite sand), 12.5% chopped alfalfa hay, and 37.5% wood chips and shavings. Groundwater well located downstream of PRB. |
| Other performance details: | pre-installation concentrations were below cleanup levels |
| Limitations to data found: | Pre-installation values were not included in the report, but all were below the MCL. |
Notes: COC values shown are not maximum values, but a range of values for the study period. ND = non-detect
Data Set #3
Constituent Information
| Constituent: | Manganese |
| Constituent Phase: | Mn, total µg/L |
| Reported as Load (Y/N): | N |
Pond Depth: N/A
Max influent/associated effluent
| Max. Influent/ |
30–51 |
| Associated Effluent/ | < 5 (ND)–389 |
| % Removal Efficiency (calculated): | (-)1196.6 - 95.1 |
Min influent/associated effluent
| Min. Influent/ |
Data not provided |
| Associated Effluent/ | Data not provided |
| % Removal Efficiency (calculated): | Not Applicable |
Max effluent/associated influent
| Max. Effluent/ |
Data not provided |
| Associated Influent/ | Data not provided |
| % Removal Efficiency (calculated) | Not Applicable |
Min effluent/associated influent
| Min. Effluent/ |
Data not provided |
| Associated Influent/ | Data not provided |
| % Removal Efficiency (calculated): | Not Applicable |
Avg. influent concentration/associated time
| Avg. Influent/ |
Data not provided |
| Avg. Associated Time (Influent/ |
Data not provided |
Med. influent concentration/associated time
| Med. Influent/ |
Data not provided |
| Avg. Associated Time (Influent/ |
Data not provided |
Avg. effluent concentration/associated time period
| Avg. Effluent/ |
Data not provided |
| Avg. Associated Time (Effluent/ |
Data not provided |
Med. effluent concentration/associated time period
| Med. Effluent/ |
Data not provided |
| Avg. Associated Time (Effluent/ |
Data not provided |
Parameters and water chemistry associated with documented concentrations
| Avg Percent Removal (reported): | Data not provided |
| Influent/Pre/Upgradient or Effluent/ | Post-installation (May 2022 - Oct. 2022) |
| pH: | 6.8–9.23 |
| DO: | 1.59–8.45 mg/L |
| Water Temperature: | 6.4–11.4 °C |
| Air Temperature: | Data not provided |
| Eh: | Data not provided |
| ORP: | (-)14.7–155.8 mV |
| Specific Conductivity: | 419.2–600.1 µS/cm |
| Other Parameters: | 0.02–4.52 (turbidity) NTU |
Load Information
| Loads Treated: | Data not provided |
| Flows treated: | Data not provided |
| Flow rate: | Data not provided |
Treatment Evaluation
| Were treatment goals met? (Y/N): | Data not provided |
| Performance Metrics: | Data not provided |
| Limitations/Constraints: | PRB-treated water is present at PRB4-3, but PRB-treated water does not appear to be present at PRB4-1; PRB4-1 is assumed to be cross-gradient from PRB4. |
| Longevity Estimates: | Data not provided |
| Lessons Learned: | Field and laboratory parameter concentrations were variable during the 2022 sampling period. Longer-term monitoring is needed to evaluate if concentrations/measurements stabilize over time or continue to fluctuate due to spring runoff or other factors. |
| Reported Cost Data: | Data not provided |
| Other design details: | Components of the treatment media include 50% inert support media (quartzite sand), 12.5% chopped alfalfa hay, and 37.5% wood chips and shavings. Groundwater well located downstream of PRB. |
| Other performance details: | Data not provided |
| Limitations to data found: | Data not provided |
Notes: COC values shown are not maximum values, but a range of values for the study period
Data Set #4
Constituent Information
| Constituent: | Selenium |
| Constituent Phase: | Se, total µg/L |
| Reported as Load (Y/N): | N |
Pond Depth: N/A
Max influent/associated effluent
| Max. Influent/ |
33.3–44.8 |
| Associated Effluent/ | 16.3–1.6 |
| % Removal Efficiency (calculated): | 50.6 - 96.4 |
Min influent/associated effluent
| Min. Influent/ |
Data not provided |
| Associated Effluent/ | Data not provided |
| % Removal Efficiency (calculated): | Not Applicable |
Max effluent/associated influent
| Max. Effluent/ |
Data not provided |
| Associated Influent/ | Data not provided |
| % Removal Efficiency (calculated) | Not Applicable |
Min effluent/associated influent
| Min. Effluent/ |
Data not provided |
| Associated Influent/ | Data not provided |
| % Removal Efficiency (calculated): | Not Applicable |
Avg. influent concentration/associated time
| Avg. Influent/ |
Data not provided |
| Avg. Associated Time (Influent/ |
Data not provided |
Med. influent concentration/associated time
| Med. Influent/ |
Data not provided |
| Avg. Associated Time (Influent/ |
Data not provided |
Avg. effluent concentration/associated time period
| Avg. Effluent/ |
Data not provided |
| Avg. Associated Time (Effluent/ |
Data not provided |
Med. effluent concentration/associated time period
| Med. Effluent/ |
Data not provided |
| Avg. Associated Time (Effluent/ |
Data not provided |
Parameters and water chemistry associated with documented concentrations
| Avg Percent Removal (reported): | Data not provided |
| Influent/Pre/Upgradient or Effluent/ | Post-installation (May 2022 - Oct. 2022) |
| pH: | 6.8–9.23 |
| DO: | 1.59–8.45 mg/L |
| Water Temperature: | 6.4–11.4 °C |
| Air Temperature: | Data not provided |
| Eh: | Data not provided |
| ORP: | (-)14.7–155.8 mV |
| Specific Conductivity: | 419.2–600.1 µS/cm |
| Other Parameters: | 0.02–4.52 (turbidity) NTU |
Load Information
| Loads Treated: | Data not provided |
| Flows treated: | Data not provided |
| Flow rate: | Data not provided |
Treatment Evaluation
| Were treatment goals met? (Y/N): | Y |
| Performance Metrics: | 50 µg/L; EPA National Primary Drinking Water Regulations MCL (maximum contaminant level) |
| Limitations/Constraints: | PRB-treated water is present at PRB4-3, but PRB-treated water does not appear to be present at PRB4-1; PRB4-1 is assumed to be cross-gradient from PRB4. |
| Longevity Estimates: | Data not provided |
| Lessons Learned: | Field and laboratory parameter concentrations were variable during the 2022 sampling period. Longer-term monitoring is needed to evaluate if concentrations/measurements stabilize over time or continue to fluctuate due to spring runoff or other factors. |
| Reported Cost Data: | Data not provided |
| Other design details: | Components of the treatment media include 50% inert support media (quartzite sand), 12.5% chopped alfalfa hay, and 37.5% wood chips and shavings. Groundwater well located downstream of PRB. |
| Other performance details: | pre-installation concentrations were below cleanup levels |
| Limitations to data found: | Data not provided |
Notes: COC values shown are not maximum values, but a range of values for the study period
Data Set #5
Constituent Information
| Constituent: | Sulfate |
| Constituent Phase: | Sulfate, dissolved µg/L |
| Reported as Load (Y/N): | N |
Pond Depth: N/A
Max influent/associated effluent
| Max. Influent/ |
Dry–80.4 |
| Associated Effluent/ | 27.2–55.3 |
| % Removal Efficiency (calculated): | 31.2 - 66.2 |
Min influent/associated effluent
| Min. Influent/ |
Data not provided |
| Associated Effluent/ | Data not provided |
| % Removal Efficiency (calculated): | Not Applicable |
Max effluent/associated influent
| Max. Effluent/ |
Data not provided |
| Associated Influent/ | Data not provided |
| % Removal Efficiency (calculated) | Not Applicable |
Min effluent/associated influent
| Min. Effluent/ |
Data not provided |
| Associated Influent/ | Data not provided |
| % Removal Efficiency (calculated): | Not Applicable |
Avg. influent concentration/associated time
| Avg. Influent/ |
Data not provided |
| Avg. Associated Time (Influent/ |
Data not provided |
Med. influent concentration/associated time
| Med. Influent/ |
Data not provided |
| Avg. Associated Time (Influent/ |
Data not provided |
Avg. effluent concentration/associated time period
| Avg. Effluent/ |
Data not provided |
| Avg. Associated Time (Effluent/ |
Data not provided |
Med. effluent concentration/associated time period
| Med. Effluent/ |
Data not provided |
| Avg. Associated Time (Effluent/ |
Data not provided |
Parameters and water chemistry associated with documented concentrations
| Avg Percent Removal (reported): | Data not provided |
| Influent/Pre/Upgradient or Effluent/ | Post-installation (May 2022 - Oct. 2022) |
| pH: | 6.8–9.23 |
| DO: | 1.59–8.45 mg/L |
| Water Temperature: | 6.4–11.4 °C |
| Air Temperature: | Data not provided |
| Eh: | Data not provided |
| ORP: | (-)14.7–155.8 mV |
| Specific Conductivity: | 419.2–600.1 µS/cm |
| Other Parameters: | 0.02–4.52 (turbidity) NTU |
Load Information
| Loads Treated: | Data not provided |
| Flows treated: | Data not provided |
| Flow rate: | Data not provided |
Treatment Evaluation
| Were treatment goals met? (Y/N): | Data not provided |
| Performance Metrics: | Data not provided |
| Limitations/Constraints: | PRB-treated water is present at PRB4-3, but PRB-treated water does not appear to be present at PRB4-1; PRB4-1 is assumed to be cross-gradient from PRB4. |
| Longevity Estimates: | Data not provided |
| Lessons Learned: | Field and laboratory parameter concentrations were variable during the 2022 sampling period. Longer-term monitoring is needed to evaluate if concentrations/measurements stabilize over time or continue to fluctuate due to spring runoff or other factors. |
| Reported Cost Data: | Data not provided |
| Other design details: | Components of the treatment media include 50% inert support media (quartzite sand), 12.5% chopped alfalfa hay, and 37.5% wood chips and shavings. Groundwater well located downstream of PRB. |
| Other performance details: | Data not provided |
| Limitations to data found: | Data not provided |
Notes: COC values shown are not maximum values, but a range of values for the study period
| °C | degrees Celsius |
| °F | degrees Fahrenheit |
| µg/L | micrograms per liter |
| µmhos/cm | micromhos per centimeter |
| µS/cm | microSiemens per centimeter |
| Ag | Silver |
| Al | Aluminum |
| As | Arsenic |
| AWQC | Ambient Water Quality Criteria |
| B | Boron |
| Ba | Barium |
| BCR | Biochemical Reactor |
| Be | Beryllium |
| BOD | Biochemical Oxygen Demand |
| CaCO3 | Calcium carbonate |
| CERCLA | Comprehensive Environmental Response, Compensation, and Liability Act |
| cfs | cubic feet per second |
| CHIT | Chitorem® |
| Cl | Chloride |
| Co | Cobalt |
| CO3 | Carbon trioxide |
| COC | Constituent of Concern |
| COD | Chemical Oxygen Demand |
| Cr | Chromium |
| Cu | Copper |
| DOC | Dissolved Organic Carbon |
| EPA | Environmental Protection Agency |
| F | Fluoride |
| FBR | Fluidized Bed Reactor |
| Fe | Iron |
| ft | feet |
| gpm | gallons per minute |
| GW | Groundwater |
| HCO3 | Bicarbonate |
| Hg | Mercury |
| K | Potassium |
| lbs | pounds |
| Mg | Magnesium |
| MG | Million Gallons |
| Mg(OH)2 | Magnesium hydroxide |
| mg/L | milligrams per liter |
| Mn | Manganese |
| Mo | Molybdenum |
| mV | millivolts |
| N | Nitrogen |
| N/A | not applicable |
| Na | Sodium |
| NA | Not available |
| ND | Not detected |
| Ni | Nickel |
| NO3 | Nitrate |
| NO3 + NO2 | Nitrate + Nitrite |
| NR | Not reported |
| NTU | Nephelometric Turbidity Unit |
| OH | Hydroxide |
| OU | Operable Unit |
| P | Phosphorus |
| Pb | Lead |
| PRB | Permeable Reactive Barrier |
| RA | Remedial Action |
| RO | Reverse osmosis |
| SAPS | Successive Alkalinity Producing System |
| Sb | Antimony |
| Se | Selenium |
| SO42- | Sulfate |
| SRB | Sulfate Reducing Bacteria |
| STC | Seep Treatment Cell |
| TDS | Total Dissolved Solids |
| TOC | Total Organic Carbon |
| TSS | Total Suspended Solids |
| U | Uranium |
| UF | Ultra-filtration |
| V | Vanadium |
| VFR | Vertical Flow Reactor |
| Zn | Zinc |
| Label | Description |
|---|---|
| Site Name | Name of the site |
| EPA CERCLA ID | EPA CERCLA ID number |
| Parent Name | If the test was conducted at a 'child' site or an alias, this is the name of the larger associated Superfund site. |
| Operable Unit (OU) | Specific operable unit (OU) of the site if specified |
| Technology Tested | Name of the technology tested |
| Technology Type | The technology type (i.e., active or passive/semi-passive) |
| Source of MIW | Source of the MIW (e.g., adit drainage, groundwater) |
| Treatment Train? (Y/N) | Whether the treatment was a treatment train (i.e., multiple individual technologies) |
| Specific Component for Performance Data | Component for which data are reported |
| Technology Requirements | Requirements of the technology (e.g., electricity, pH > or < X, dissolved oxygen < X, etc.) |
| Geographic conditions/ constraints | Geographic conditions/constraints (e.g., topography, climate) |
| Scale | Scale of the technology (e.g., pilot, or full-scale application) |
| Duration of Study | Length of the study |
| Constituent | Element or ion treated |
| Constituent Phase | Identity - contaminants of concern (COCs) and others having data/information on treatment |
| Unit | Unit of concentration reported in study |
| Max. Influent Concentration | Maximum influent concentration treated |
| Associated Effluent Concentration | Effluent concentration attained for maximum concentration treated |
| Max. Effluent Concentration | Maximum effluent concentration treated |
| Associated Influent Concentration | Influent concentration attained for maximum concentration treated |
| Min. Influent Concentration | Minimum influent concentration treated and |
| Associated Effluent Concentration | Effluent concentration attained for maximum concentration treated |
| Min. Effluent Concentration | Minimum effluent concentration treated and |
| Associated Influent Concentration | Influent concentration attained for maximum concentration treated |
| Avg. Influent Concentration | Average influent concentration treated and associated time |
| Avg. Associated Time (Influent) | Time over which average X was calculated |
| Med. Influent Concentration | Median influent concentration treated and associated time |
| Avg. Associated Time Influent) | Time over which average X was calculated |
| Avg. Effluent Concentration | Average effluent concentration treated and associated time |
| Avg. Associated Time (Effluent) | Time over which average X was calculated |
| Med. Effluent Concentration | Median effluent concentration treated and associated time |
| Avg. Associated Time (Effluent) | Time over which average X was calculated |
| Avg. Percent Removal | Average percent removal |
| Parameters | Parameters associated with the concentrations of other data documented |
| Loads Treated | Mass of constituent per unit flow |
| pH | pH associated with documented concentrations |
| DO | DO associated with documented concentrations |
| Water Temperature | Water temperature associated with documented concentrations |
| Air Temperature | Air temperature associated with documented concentrations |
| ORP | Oxidation-reduction potential associated with documented concentrations |
| Specific Conductivity | Specific conductivity associated with documented concentrations |
| Flows treated | Flows treated |
| Were treatment goals met? (Y/N) | Whether the testing met the treatment goals |
| Performance Metrics | Goals or performance metrics upon which the treatment success was based |
| Limitations/Constraints | Any limitations or constraints noted that contributed to success or failure |
| Longevity Estimates | Estimates of longevity, if provided |
| Lessons Learned | Any reported lessons learned |
| Reported Cost Data | Any reported cost data |
| Other design details | Any other design details provided in the sources cited |
| Other performance details | Any other performance details provided in the sources cited |
| Limitations to the found data | Limitations to the data found (e.g., data in the source only presented as averages, so was unable to report maximum influent treated with corresponding effluent attained) |
| Notes | Any notes |