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06/03 /99 16:41 FAX 5111 313 0844 QST MARTINEZ X01)5'007 <br /> Mr.Jeff Wong <br /> June 3, 1999 <br /> Page 4 <br /> will be collected in dedicated linear polyethylene bailers that have been factory/laboratory cleaned. <br /> Bailers will be handled with cleats surgical gloves to preclude any potential contamination sources. <br /> Surgical gloves will be changed between each sampling location. <br /> Collected samples will be placed in the appropriate, pre-preserved, containers for the specific <br /> analysis,and placed into the sample shuttle at 4 degrees C for Uattsport to the laboratory. <br /> Upon completion of the borings the holes will be baclflled with either neat cement,neat cement and <br /> bentonite powder mixture(not exceeding 5 %bentonite) or bentonite pellets. <br /> Laboratory Analysis <br /> Two or tbxee selected soil samples and one ground water sample will be analyzed for carbon <br /> tetrachloride, carbon disulfide, and chlorofonn using EPA Method 8264B. <br /> The above listed scope of work will begins immediately upon approval of this scope and the enclosed <br /> boring peanut applications to San Joaquin County PHIS-EH$. Please contact Thomas D.Dalzell of <br /> QST at(925)313-0940 with any questions. <br /> Sincerely, <br /> Thomas D.Dalzell <br /> Senior Scientist <br /> Attachments: figure 1 —Site Map <br /> Application for Well/Pump permit (modifted for soil bonngs) and signed by the <br /> subcontractor, Specttum Drilling. <br /> Cheep for$89 for one parcel soil boA gs(new driller) <br /> W.A5393339U0021addstnck.wpd <br />