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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 /> http//wwwmccampbcIlco E-mail math@mccampbell corn <br />' Advanced GeoEnvironmental Clicnt Project ID Flag City Chevron Date Sampled 12/14/00 <br /> 4005 North Wilson Way Date Received 12/15/00 <br />' Stockton, CA 95205 Client Contact Tirn Cuellar Date Extracted 12/15-12/19/00 <br />' Client O Date Analyzed 12/15-12/19/00 <br /> Gasoline Range(C&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 />' Lab ID Client ID Matrix TPH(gy MTBE Benzene Toluene Ethylben- Xylenes %Recovery <br /> zene S urrogate <br /> 56046 CSA1/ W ND ND ND ND ND ND 107 <br /> 121400 <br /> 56047 CSA2/ W ND ND ND ND ND ND 104 <br /> 121400 <br /> 56048 SPI/121400 S ND ND ND ND ND ND 111 <br /> 56049 MW8A/ W ND ND ND ND ND ND 102 <br /> 121400 <br /> 56050 MW8B/ W ND ND ND ND ND ND 106 <br /> 121400 <br /> 56051 MW8C/ W ND ND ND ND ND ND 106 <br /> 121400 <br /> 56052 MW9A/ W ND 20 ND 076 ND ND 104 <br /> lie 121400 <br /> 56053 MW913/ W ND 20 ND 11 ND ND 103 <br /> 121400 <br /> 56054 MW9C/ W ND ND ND 071 ND ND 101 <br /> 121400 <br /> 56055 MW10A/ W ND ND ND ND ND ND 107 <br /> 121400 <br /> 56056 MWlOp/ W ND ND ND ND ND ND 107 <br /> 56057 MWIOC/ W ND ND ND 0 75 ND ND 103 <br /> 121400 <br /> 56058 MW10D/ W ND ND ND ND ND ND 108 <br /> 121400 <br /> 56059 MW IOE/ W ND ND ND ND ND ND 98 <br /> 121400 <br /> Reporting Limit unless W 50 ug/L 50 0 5 05 05 0 5 <br /> otherwise stated,ND <br /> means not detected above <br /> the reporting limit S 1 0 mg/kg 005 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 /> it cluttered chromatogram,sample peak coelutes with surrogate peak <br /> *The following descriptions of the TPH chromatogram are cursory in nature and IvlcCampbell 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'?), c) lighter gasoline range compounds (the most mobile fraction)are significant d) gasoline range compounds having broad <br /> chromatographic peaks are significant,biologically altered gasoline),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 /> ODsheen 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 /> I <br />