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r. <br /> � . H . KLA. , W=ELDER & ASSOC , ,TES <br /> May 5, 1987 <br /> Pile: 24-2053-1 <br /> mr. John Johnson <br /> The Customer Company <br /> P.O. Box 886 <br /> Benicia, California 94510 <br /> SUBSECx: Food & Liquor Store 76, Manteca, California ENVIRC) r'NTAL HEALTH <br /> F EWAIT/SERVICLS <br /> Dear J.J. . <br /> The enclosed analytical results are for soil sample S-03 collected from <br /> the soil piles stored at the sand and gravel facility located on iloffat. <br />" Boulevard, Manteca, California. <br /> Approximately 18 truck loads of soil (325 cubic yards) were excavated and <br /> removed from the Food & Liquor Store (#76) located at 890 North plain <br /> Street, Manteca, California. The soil was excavated from beneath the <br /> removed pump island where hydrocarbon contamination had been indicated <br /> from soil samples collected previously. The soil was hauled to the sand <br /> and gravel facility located on Moffat Boulevard. To minimize uncontrolled <br /> aeration, the soil was placed on and covered with plitstic. <br /> A Photovac TIP, using a photoicnization detector (PID) was used to screen <br /> ils. Te PID was <br /> two soil samples collected from each of thm 18n°eneptveset ahreference <br /> calibrated with a 50 parts per million (ppm) e <br /> for relative comparison of the field readings. Field screening readings <br /> ea ninand on <br /> ranged from 50 to 460 parts per million by volume (PP ) <br /> Table I. <br /> TABLE 1 <br /> pID FIELD SCREENING READINGS <br /> SAhLPIE POINT RENGADImy SAMPLE POINT READING my <br /> 340 5F-55 420 <br /> SP-37 350 350 <br /> 5P-38 SP-56 <br /> SP-57 370 <br /> SP-39 270 420 <br /> 240 SP-58 <br /> SP-40 SP-59 460 <br /> SP-41 380 SP-60 430 <br /> SP-42 375 SP-61 380 <br /> SP--43 384 SP-62 460 <br /> SP_41, 355 SP-63 Z90 <br /> 5P-45 150 300 <br /> ;,1-6 + <br /> SP-46 290 5P-65 420 <br /> SP-47 390 SP-66 46n <br /> SP-48 375 325 <br /> 420 SP-67 <br /> SP-59 - -SP--68 --300 - - - --- <br /> - <br /> 5P-50 44 SP-69 390 <br /> SP-51 SP--7 <br /> 400 360 <br /> SP-52 <br /> SP-TF1 <br /> 50 <br /> SP-53 440 SP-72 50 <br /> SP-54 4LO <br />