Groundwater Resources Association of California When: 11/7/2012 Share John Gregory was on the planning committee for the GRA Dry Cleaner Release Sites Symposium and moderated the panel "Technical, Regulatory and Legal Challenges Facing Dry Cleaner Cleanups."Concord, CA
Groundwater Resources Association of California When: 11/7/2012 Share John Gregory was on the planning committee for the GRA Dry Cleaner Release Sites Symposium and moderated the panel "Technical, Regulatory and Legal Challenges Facing Dry Cleaner Cleanups."Concord, CA