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Ms. Wendy Cohen/Attu: Ms. Polly Lowry <br /> Regional Water Quality Control Board <br /> October 12, 1995 <br /> RE: Ground Water Investigation <br /> And Containment Of Chloroform Plume <br /> Triple E Produce, Tracy, San Joaquin County <br /> Page 3 <br /> Appropriate on-site locations are considered to be dirt-surfaced farm equipment storage yards, <br /> agricultural field or orchard headlands, or minimum-traffic dirt farm roads. It should be noted <br /> that the outer diameter of the boring for XW-I will be 8-12 inches depending on the method <br /> used. The maximum volume of soil cuttings from below the water table, allowing for 20 <br /> percent expansion of the soil, should not exceed 1.5 cubic yards. <br /> 4. QA/QC. Procedures <br /> The sampling procedure for the soil cuttings from below the water table will be amended to <br /> include one duplicate sample for each set of 10 cutting samples collected. A travel blank, field <br /> blank, and laboratory spike will be analyzed for each set of samples submitted for analysis. <br /> If you have further questions regarding these matters, please do not hesitate to call me at (209) <br /> 474-1492. <br /> Sincerely yours, <br /> CONDOR EARTH TECHNOLOGIES, INC. <br /> Robert C. Dixon, CPAg <br /> Project Manager <br /> Attachments: Figure 2 and Figure 5 <br /> cc: Michael Campos, Graham and James <br /> Nate Esformes, Triple E Produce <br /> Tom Guido, Triple E Produce <br /> Mike Infurna, REHS, San Joaquin County PHS-EHD <br /> John Kramer, Condor <br /> eee%RWQCI)919.95 <br /> N& <br /> t, CONDOR <br />