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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 /> httn 1/www mccampbell com E-mail main@mccampbell com <br />' Advanced GeoEnvironmental Client Project ID Sierra Lumber Date Sampled 06/22/99 <br /> 4005 North Wilson Way Date Received 06/24/99 <br />' Stockton, CA 95205 Client Contact Tim Cuellar Date Extracted 06/26-06/30/99 <br /> Client P O Date Analyzed 06/26-06/30/99 <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 RW CB SF BayRe ion method GCFID 5030 <br /> Lab ID Client ID Matrix TPH(g)+ MTBE Benzene Toluene Ethylben- Xylenes %Recovery <br /> zene Surrogate <br /> 14174 MW-7 W ND ND 065 20 ND 1 9 104 <br /> 1 14175 MW-5 W ND ND 1 4 74 19 95 99 <br />' 14176 MW-3 W ND ND 1 8 60 1 2 61 99 <br /> 14177 MW-6 W 86,b IT'D ND 25 ND 082 102 <br />' 14178 MW-8 W l 10,a ND 1 1 23 ND 40 101 <br /> 14179 MW-2 W 32,000,a ND<200 830 3500 1400 6200 107 <br /> • 14180 MW-4B W 50,000 a ND<200 4900 13,000 1700 8700 101 <br /> 14181 MW-4A W 65,OOO,a ND<200 1600 9200 2900 16,000 112 <br /> r14182 MW-1 W 62,OOO,a ND<50 410 26 160 180 106 <br /> Reporting Limit unless W 50 ug/L 50 05 05 05 05 <br /> otherwise stated,ND <br /> means not detected above S 1 0mg/kg 005 0 005 0 005 0 005 0 005 <br /> the reporting limit <br /> •water and%apor 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 peal. <br /> `flee following descnptions 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?), 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 resent i h uid sam lc that contains realer than—5 vol %sediment, no reco nizable atiern <br /> DHS Certification No 1644 Edward Hamilton, Lab Director <br />