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r <br /> QUALITY ASSURANCE LABORATORY <br /> 6605 NANCY RIDGE DRIVE <br /> SAN DIEGO, CALIFORNIA 92121 <br /> ( 619 ) 552-3636 <br /> -------------------------------------------- <br /> TREATEK, INC. <br /> ' ATTN : BOB MUELLER <br /> 2701 EAST HAMMER LANE #103 <br /> STOCKTON, CA 95210 <br /> ' DATE OF REPORT NOVEMBER 22 199 <br /> DATE RECEIVED . 1 <br /> SAMPLING DATE NOVEMBER 6, 1991 <br /> ' DATE OF FINAL REVIEW NOVEMBER 4, 1991 <br /> ANALYZED BY NOVEMBER 20, 1991 <br /> SAMPLE TYPE MC TR EA JM <br /> ' PROJECT NAME 3 SOIL <br /> PROJECT NUMBER VINTAGE CARWASH <br /> 90193 <br /> rANALYSES RESULTS <br /> ANALYSIS: TPH <br /> r LOG NUMBER SAMPLE ID METHOD: DHS <br /> UNITS : MG/KG DF <br /> 16906-91 SGS-1 84----------------------------. 96------- <br /> ------------ <br /> 1.6907-91 1 2710 (A) <br /> , <br /> 16908-91 FI-1 5 (B ) <br /> 25, 600 50 (C) <br />' TPH — TOTAL PETROLEUM HYDROCARBONS <br /> DHS — RECOMMENDED PROCEDURE FROM LEAKING UNDERGROUND FUEL TANK FIELD <br />' MANUAL, MAY 1988 <br /> * EXTRACTABLES <br /> (A) TOTAL PETROLEUM HYDROCARBON ANALYSES RESULTING IN HYDROCARBONS OF THE <br /> RANGE C10—C23 . SAMPLE QUANTITATED AGAINST DIESEL . <br />' ( B ) TOTAL PETROLEUM HYDROCARBON ANALYSES RESULTING IN HYDROCARBONS OF THE <br /> RANGE C4—C12 . SAMPLE QUANTITATED AGAINST GASOLINE. <br />' ( C) TOTAL PETROLEUM HYDROCARBON ANALYSES RESULTING IN HYDROCARBONS <br /> RANGE C4—C23 . SAMPLE QUANTITATED AGAINST BOTH Gncnr rsr,+ x.rm r.r.,,..�_ OF THE <br /> . aaiu eillu L1L'.7L'L • <br /> DF = DILUTION FACTOR. THE DETECTION LIMITS AND ANALYSIS RESULTS WERE <br /> CORRECTED) ACCORDINGLY. <br /> PETER SHEN <br /> LABORATORY DIRECTOR <br /> S/gym <br />' QUALITY ASSURANCE <br /> LABORATORY <br />