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STATE OF CALIFORNIA -Environmental ProteZ'eh Agency _ <br /> PETE WILSON, Governor <br /> CALIFORNIA REGIONAL WATER QUALITY CONTROL BOARD <br /> CENTRAL VALLEY REGION tVIRQi �iCNrAL HEALT1 <br /> 3.143 Routier Road, Suite A �,� ftV�C� <br /> Sacramento, CA 95827-3098 <br /> PHONF: (9 161 <br /> FAX: (9161 255-3015255-3000 <br /> 93 OCT 12 PM 2` 19 <br /> 6 October 1993 <br /> Ms. Patricia Duncan Ms. Vi Baker <br /> 41 North Allen Drive 361 Leslie Ave. <br /> Lodi, CA 95240 Stockton, CA 95207 <br /> RESULTS OF DOMESTIC WELL SAMPLING, 7001 ROND ROAD, LODI, SAN JOAQUIN <br /> COUNTY <br /> The domestic drinking water well behind your house at 7001 Rond Road, near Lodi, was sampled <br /> on 1 September 1993 for analysis of typical petroleum hydrocarbons. EPA Method 601/602 will <br /> detect a long list of chemicals, including benzene, toluene, ethylbenzene, and xylene, which are the <br /> most hazardous components of gasoline. Samples were also collected for analysis of Total <br /> Petroleum Hydrocarbons (TPH) as gasoline and diesel. These analyses provide an overall idea of <br /> how much gasoline or diesel may be present. <br /> Our in-house laboratory conducted the 601/602 analyses and a TPHg scan on 2 September 1993. <br /> The laboratory analysis sheets are attached to this letter. As you can see from the lab sheets, none <br /> of the tested constituents were detected and the detection limits were within acceptable ranges. <br /> Although a more in-depth analysis of TPHg and TPHd should be done by our contract laboratory <br /> (our detectors are not capable of the work), we do not believe it is necessary to analyze additional <br /> samples for TPHg and TPHd. <br /> The domestic supply well appears to be uncontaminated with petroleum hydrocarbon at this time. <br /> As we discussed at our site meeting, on 27 August 1993, we look forward to receiving a report <br /> describing your investigation of the site. <br /> If you have any questions, call me at (916) 255-3125. <br /> ELI �HA. THAYER <br /> Ass ate Engineer <br /> Attachment <br /> cc: Ms. Jane Barnett, Office of Assemblyman Larry Bawler, Sacramento <br /> Ms. Terry Brazell, Clean Water Programs, State Water Resources Control Board, <br /> Sacramento <br /> Ms. Margaret Lagorio, San Joaquin County EnvironOaental Health Division, Stockton <br /> i <br /> +I <br />