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L <br /> 4� L <br /> Geological Audit Services, Inc. <br /> Environmental Professionals <br /> 1603 March Lane, Suite A• Stockton.-CA 95207-6414•(209 956 0264 Fax (209)956-0700 <br /> October 26, 1994 <br /> NOV - 1 1994 SC-93-04-0033-02 <br /> ENVIRONMENTAL HEALTH <br /> Ms Elizabeth Thayer PERMIT/SERVICES <br /> CALIFORNIA REGIONAL WATER QUALITY CONTROL BOARD <br /> CENTRAL VALLEY REGION <br /> 3443 Routier Road <br /> Sacramento, CA 95827-3098 <br /> Subject: Revised Monitoring and Reporting Program <br /> Geweke Land Development and Marketing <br /> 16 South Cherokee Lane, Lodi, San Joaquin County <br /> 0, Dear Ms Thayei <br /> On behalf of our client, Geweke Land De%elopnient and illarketing (GLDM), Geological <br /> Audit Services, Inc (GeoAudit) has prepared the following comments concerning the <br /> Revised Monitoring and Reporting Program (RMRP) for the subject site The comments <br /> are in response to a letter concerning the RMRP prepared by the Central Valley Regional <br /> Water Quality Control Board (CVRWQCB) dated October 12, 1994 <br /> The following comments refer to the draft RMRP (and RMRP Tables) included in the <br /> October 12, 1994 Ietter from the CVRWQCB <br /> Groundwater Monitoring for Petroleum Hydrocarbons <br /> Lead and ethylene dibromide have been deleted from the sampling program Halogenated <br /> volatile organic compounds (HVOC's) have not been detected in samples fi om MW-6, MW- <br /> 10, MW-11 and MW-12 for at least one year Theiefore, as stated in the "Quarterly Report - <br /> September 1994" dated October 18, 1994, we recommend eliminating HVOC's from the <br /> RMRP foi MW-6, MW-10, MW-11 and MW-12 (RMRP Table 1) All other wells should <br /> continue to be sampled for HVOC's GeoAudit suggests no other modifications at this time <br /> RMPLP cal 33n 9.4 Snc 1 <br /> RhfRP I�rR 33n0.P� <br /> Full Spectrum Environmental Services • Hydrogeology <br />