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110 2nd Avenue South,#D7,Pacheco, CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br />' h //tivww mccam be3l corn E-mail maznQmccampbell corn <br />' Advanced GeoEnvnronmental Client Project ID Flag City Chevron Date Sampled 02/02/01 <br /> 837 Shaw Road Date Received 02/06/01 <br />' Stockton, CA 95215 Client Contact Tim Cuellar Date Extracted 02/07-02/09141 <br /> Client P O Date Analyzed 02/07-02/09/01 <br />' Gasohne Range(C&C12)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 GCF1D(5030) <br /> Lab ID CIient M Matrix TPH(g)- MTBE Benzene Toluene Ethyl Xylenes %Recovery <br />' benzene Surrogate <br /> 59508 Influent W ND 150 ND ND ND ND 97 <br /> 59509 Gac-1 W ND 62 ND ND ND ND 107 <br /> 59510 Gac-2 W ND ND ND ND ND ND 95 <br /> 59511 Stuff Solve W ND ND ND ND ND ND 102 <br /> 59512 Eluent W ND ND ND ND ND ND 104 <br /> Reporting Lima unless W 50 ug/L 5 0 0 5 0 5 05 0 5 <br /> otherwise stated,ND <br /> means not detected above <br /> the reporting limitS 1 0 m g g/k 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 SPLP extracts <br /> in ug/L <br /> #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 gasolene range compounds aresignificant(aged <br /> gasoline'?), c) lighter gasoline range compounds (the most mobile fraction) are significant, d) gasoline range compounds having broad <br /> I chromatographic peaks are significant,biologically altered gasoline9,e)TPH pattern that does not appear to be derived from gasoline(9),4 <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,,{)no recognizable pattern <br /> IDHS Certification No 1644 Edward Hamilton,Lab Director <br />