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PUBLII HEALTH SE' VICES <br /> SAN JOAQUIN COUNTY = :j <br /> ENVIRONMENTAL HEALTH DIVISION <br /> Karen Furst, M.D., M.P.H., Health Officer p <br /> SLI FORS; <br /> 304 East Weber Avenue,Third Floor • Stockton, CA 95202 <br /> 209/468-3420 <br /> RUTH STRONG ,� <br /> DEC 2 0 2001 <br />` RUTH STRONG PROPERTY <br /> 330 E HOLLYWOOD <br /> TRACY CA 95376 <br /> RE: RUTH STRONG PROPERTY ° <br /> r <br /> 5157 W BUSINESS LOOP 205 <br /> TRACY CA 95376 <br /> sP <br /> f On May 31,2001, San Joaquin County Public Health Services, Environmental Health <br /> Division (PHS/EHD) approved the work plan dated February 27, 2001 prepared by <br /> Advanced GeoEnvironmental, Inc. (AGE). The proposed work'I;has not commenced to <br /> date. <br /> PHS/EHD has since received the first three quarterly monitoring reports (QMR) of 2001 <br /> prepared by AGE. The concentration of contamination identified in groundwater samples <br /> collected from the monitoring wells at the site has fallen appreciably since the winter of <br /> 2000. <br /> Analytical results of groundwater samples from MW1, 2, 5 and 6 <br /> wl MW1 'T%1tiV2 gs `h1W5Benzene _ Benzene Benzene (IPH` Benzene <br /> 12/05/00 17;x' 0.58 '.2,900340 �;i. � 98 4,10. 4.2 <br /> 09/13/01 1 ND ND 1ND ND t18 11 I'©0 ND <br /> Results in pg/1. <br /> PHS/EHD agreed with AGE staff that the portion of the work plan proposing a feasibility <br /> study for a groundwater extraction system to control the migration of the plume is not <br /> required at this time. However,you are still required to define the extent of the <br /> contamination and develop a site conceptual triodel as directed iii the PHS/EHD letter <br /> dated January 16,2001. Commence the portion of the pr6posedh work not related to the <br /> groundwater extraction system by March 1, 2002. If you have ar' questions,please do not <br /> hesitate to contact Jeff Wong at (209) 468-0335. <br /> Donna Heran,REHS,Director } <br /> E Environmental Health Division, ` <br /> Je rey Wong, REHS Margare agorio,RE S <br /> LOP/Site Mitigation Unit IV Supervisor <br /> c: Advanced GeoEnvironmental Inc.—Brian Millman <br /> c: RWQCB, Central Valley Region—Marty Hartzell <br /> A Division of San Joaquin County Health Caie Services <br />