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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 /> J4 h l/www mccam bell com E-mail main@mccampbell com <br /> Advanced GeoEnvironmental Client Project ID Tracy Marine Date Sampled 01/13/00 <br /> 4005 North Wilson Way Date Received 01/14/00 <br /> IStockton, CA 95205 Client Contact Bill Little Date Extracted 01114-01/19/00 <br />' Client P O Date Analyzed 01114-01119100 <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 /> Lab ID Client ID Matrix TPH(g)' MTBE Benzene Toluene Ethylben- Xylenes %Recovery <br /> zene Surrogate <br /> 29177 MW 1 W ND ND ND ND ND ND 100 <br /> 29178 MW2 W 6200,a 5800 660 400 140 1000 115 <br /> 29179 MW3 W ND ND ND ND ND ND 99 <br /> 29180 MW4 W 1400,a 280 180 10 93 130 100 <br /> 29181 MW5 W 18,000,a 1200 840 45 170 3200 102 <br /> 29182 MW6 W 140,a 22 8 8 3 9 3 1 23 101 <br /> 29183 MW7 W 17,000,a 43,000 1400 1100 270 1 100 97 <br /> 29184 MW8 W 550,a ND<50 23 ND 1 4 20 101 <br /> r <br /> i <br /> i <br />' Reporting Limit unless W 50 ug/L 5 0 05 05 05 05 <br /> otherwise stated,ND <br />' means not detected abo%e <br /> the reporting limit S 1 0 mg/kg 005 0 005 0 005 0 005 0 005 <br /> *later and vapor samples are reported in ug/L,wipe samples in ug/l ipe,soil and sludge samples in mg/kg,and all TCLP and SPLP extracts <br />' muglL m <br /> cluttered chromatograsample peak coelutes with surrogate peak <br /> "The followmg 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 sign.fican t(aged <br /> gasoline9), 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)TP14 pattern that does not appear to be derived from gasoline('),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,a)no recognizable pattern <br /> DHS Certification No 1644 k& Edward Hamilton, Lab Director <br />