Evaluation of Natural Attenuation of Chlorinated Solvents in Ground Water at the Twin Cities Army Ammunition Plant – Site A. Final Report June, 2000 Mark Ferrey Paul Estuesta Site Remediation Section Minnesota Pollution Control Agency St. Paul, Minnesota 55155-4194 John Wilson Don H. Kampbell Subsurface Protection and Remediation Division National Risk Management Research Laboratory U.S. Environmental Protection Agency R.S. Kerr Environmental Research Center Ada, OK 74820