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r <br /> r110 Second Avenue South,#137,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> . J4 http://w.w.wmecampbell.com E-mail main@mccampbell coin <br /> r <br /> Advanced GeoEnvironmental Client Project ID #0445, Sierra Lumber Date Sampled 08/25/98 <br /> r4005 North Wilson Way Date Received 08/28/98 <br /> Stockton,CA 95205 Client Contact Tim Cuellar Date Extracted 08/28-08/31/98 <br /> rClient P O Date Analyzed 08/28-08/31/98 <br /> Gasoline Range(C6-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 CrCFID(5030) <br /> Lab ID Client ID Matrix TPH(g)+ MTBE Benzene Toluene Ethylben- Xylenes %Recovery <br /> zene Surrogate <br />' 94289 MW4A/ W I10,000,a ND<100 7500 25,000 3500 20,000 100 <br /> 8-25-98 <br /> 94290 MW4B/ W 25,000,a ND<200 420 2700 860 4700 99 <br /> 8-25-98 <br />' 94291 MW-5/8-25-98 W ND ND ND ND ND ND 94 <br /> 94292 8-25-98 W-6/ W 480,a ND 78 59 1 1 098 --" <br />' 94293 MW-7/ W ND ND ND ND ND ND 101 <br /> 8-25-98 <br /> lie <br /> 1 <br /> r <br /> 1 <br /> 1 <br /> Reporting Limit unless W 50 ug/L 50 05 05 05 05 <br />' otherwise stated,ND <br /> means not detected above S 1 0 mg/kg 005 0 005 0 005 0 005 0 005 <br /> the reporting limit <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 /> m 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 gasoline range compounds are significant(aged <br /> gasolme'r), 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(9),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,3}no recognizable pattern <br /> DHS Certification No 1644 -.0 Edward Hamilton,Lab Director <br />