Sandra Gaurin Sandra Gaurin is a Senior Project Manager at Tetra Tech Inc. in Morris Plains, NJ. Sandra has worked at Tetra Tech since 2007 and provides support to commercial/industrial clients in site investigation and remediation with a focus on Vapor Intrusion (VI) assessment. Sandra was already an active member of the Interstate Technology Regulatory Council (ITRC) VI Team. She was a co-author of the 2007 ITRC VI Guidance document and was a backup internet based trainer for the ITRC VI Team. She has presented at numerous conferences and seminars on VI technical challenges including the Air Waste Management Association, Environmental Bankers Association, USEPA, Association of Environmental Health and Sciences (AEHS). Sandra earned a Bachelor Degree in Biochemistry from University Pierre et Marie Curie Paris 6, France in 1993 and a Master Degree in Industrial Biology, Major Environmental Sciences from EBI, Paris France in 1996. She also maintains an Environmental Risk Management (ERM) license from the San Marco TX University.