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'1w <br /> STATE OF CALit=JhVIA PETE WILSON Governor <br /> CALIFORNIA REGIONAL WATER QUALITY CONTROL BOARD— <br /> CENTRAL VALLEY REGION <br /> 3443 ROUTIER ROAD, SUITE A <br /> SACRAMENTO, CA 95827-3098 <br /> PHONE: (916) 361-5600 <br /> FAX: (916) 361-5686 <br /> 18 June 1991 <br /> Mr. Nathan Esformes, President <br /> Triple E Produce Corp. <br /> Post Office Box 239 <br /> Tracy, CA 95378 <br /> REVIEW OF WORK PLAN AMENDMENT, TRIPLE E PRODUCE, INC. , TRACY, SAN JOAQUIN COUNTY <br /> I have reviewed the report entitled "Work Plan Amendment, Extension of Groundwater <br /> Investigation, Triple E Produce, Inc. " submitted by your consultant, Weston. The <br /> work plan is acceptable with the following provisions: <br /> 1. The wells shall be developed until they are sediment-free. <br /> 2. When sampling the wells, sampling shall be in order of least contaminated to <br /> most contaminated. <br /> 3. One duplicate sample shall be taken for every 10 samples or portion thereof. <br /> Thus, a duplicate sample is needed even if only one sample is collected. <br /> 4. All sampling equipment shall be decontaminated prior to sampling and between <br /> sampling events. <br /> 5. MW-5 and MW-6 shall be sampled once before the next quarterly sampling in <br /> September and then a second time during the September quarterly sampling to <br /> verify the initial results and allow for a better evaluation of the data. This <br /> will prevent delays in any further investigative needs. <br /> A progress report which includes the results of the initial sampling of MW-5 and MW- <br /> 6 is due by 6 September 1991. As stated in the work plan, a final report which <br /> includes the September quarterly sampling shall be submitted by 31 October 1991. <br /> If you have any questions, please call me at (916) 361-5649. <br /> POLLY LOWRY <br /> Associate Engineering Geologist <br /> PAL:mdm <br /> cc: San Joaquin County Public Health Services, Stockton <br /> Mr. Paul Sundberg, Weston, Escalon <br />