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110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> WCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> h //www mccam bell com E-mail main@mccampbell com <br /> • <br /> Advanced GeoEnvironmental Client Project ID K+S Gas&Grocery <br /> Date Sampled 09/29/99 <br /> 4005 North Wilson Way Date Received 09/30/99 <br /> Stockton, CA 95205 Client Contact Kevin McKibben Date Extracted 10/04/99 <br /> Client P O Date Analyzed 10/04/99 <br />' Gasoline Range(C6-C12) Volatile Hydrocarbons as Gasoline*,with Methyl tert-Butyl Ether* &BTEX'* <br /> EPA methods 5030,modified 8015,and 8020 or 602,California RWQCB(SF Bay Region)method GCFID(5030) <br /> Ethylben- %Recovery <br />' Lab ID Client ID Matrix TPN(g); MTBE Benzene Toluene zene Xylenes Surrogate <br /> 22437 MW1 W 51,000,a 1400 1800 9000 1300 7800 103 <br />' 22438 MW2 W 58,000,a ND<200 11,000 2900 3100 5700 102 <br /> 22439 MW3 W 170,000,a ND<690 22,000 26,000 4700 24,000 107 <br /> lie <br /> 1 <br /> Reporting Limit unless W 50 ug/L 50 05 05 05 05 <br /> otherwise stated,ND <br /> means not detected <br />' above the reporting S 1 0 mg/kg 005 0 005 0 005 0 005 0 005 <br /> limit <br /> water and vapor samples are reported in ug/L,wipe samples in ug/wipe,soil and sludge samples in mg/kg,and all TCLP and SPLP extracts <br /> in ug/L <br /> R cluttered chromatogram,sample peak coelutes with surrogate peak <br /> `The following descriptions of the TPH chromatogram are cursory in nature and McCampbell Analytical is not responsible for their <br />' interpretation a) unmodified or weakly modified gasoline is significant, b) heavier gasoline range compounds are significant(aged <br /> gasoline'7), c) lighter gasoline range compounds (the most mobile fraction) are significant, d) gasoline range compounds having broad <br /> chromatographic peaks are significant,biologically altered gasoline7,e)TPH pattern that does not appear to be derived from gasoline(7),f) <br /> one to a few isolated peaks present, g)strongly aged gasolineor diesel range compounds are significant, h)lighter than water immiscible <br />' sheen is present,i)liquid sample that contains greater than—5 vol %sediment,!)no recognizable pattern <br /> DHS Certification No 1644 b Edward Hamilton, Lab Director <br />