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110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> 4 McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> http//wwwrnccamPbellco E-mail mainCmccampbell com <br /> Advanced GeoEnvironmental Client Protect M K&S Gas& Grocery Date Sampled 03/19/2001 j <br /> 837 Shaw Road Date Received 03/20/2001 <br /> Stockton,CA 95215 Client Contact Calvin Lee i Date Extracted 03/2312001 <br /> Client P Q Date Analyzed 03/23/2001 <br />' Gasoline Range(C& M)Volatile Hydrocarbons as Gasohne*,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 />' Lab ID Client ID Matrix TPH(g)` MTBE Benzene Toluene Ethyl- Xylenes 0 Recovery <br /> benzene Surrogate <br /> 63393 MWI0 <br /> /03-19 W 69,000,a ND<400 2600 11,000 2200 10,000 106 <br /> 63394 MW2//03-19- W 41,000,a ND<200 7500 1000 2100 2900 95 <br /> 01 <br /> 63395 MW3//03-I9- W 150,000,a ND<300 15,000 18,000 3800 19,000 93 <br /> 01 <br /> 1� <br /> 1 <br /> 1 <br />' Reporting Limit unless W 50 ug/L 5 0 0 5 05 05 0 5 <br /> otherwise stated,ND <br /> means not detected above' <br /> the reporting limitS 1 0 mg/kg 0 05 0 005 0 005 0 005 0 005 <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 SDLP extracts <br /> in ug/L <br /> "cluttered chromatogram,sample peak coelutes with surrogate peak <br /> Che following descriptions of the TPH chromatogram are cursory in nature and McCamphell 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 />' gasolme9), c) lighter gasoline range compounds (the most mobile fraction) are significant, d) gasoline range compounds having broad <br /> chromatographic peaks are significant,biologically altered gasolme9,e)TPH pattern that does not appear to be derived from gasoline(1),f) <br /> one to a few isolated peaks present,g)strongly aged gasoline or diesel range compounds are significant,h)lighter than water immiscible <br /> sheen is present,i)liquid sample that contains greater than—5 vol %sediment,j)no recognizable pattern <br />' DHS Certification No 1644 Edward Hamilton, Lab Director <br /> 1 <br />