Leo Lehmicke - Co2 and Water
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Training and Guidance Development (Nationwide)

The technical evaluation of natural attenuation (NA) of chlorinated solvent plumes began at BEAK and evolved while I was there (1993-1998). By 1996 we had looked at eight sites and published several “first field observation” papers (see project). We were on an expert panel that reviewed initial NA data for 6 plumes at Hill AFB and reviewed the 1996 draft AFCEE/EPA chlorinated solvent NA guidance document.

I was also a developer and instructor for the RTDF course on NA of chlorinated solvents in groundwater (1997-1999) that was given to over 1200 state and EPA regulators in the 10 EPA regions, and co-sponsored by ITRC. We were on the RTDF review team for the final 1998 EPA guidance document; "Technical Protocol for Evaluating Natural Attenuation of Chlorinated Solvents in Groundwater". This exposure helped me gain credibility with the regulatory community which proved invaluable in later projects.