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' I 10 2nd Avenue South, #ID7, Pacheco,CA 94553-5560 <br /> McCAiIMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br />' hn l/www mccampbell corn E-mail main@mccampbell cam <br />' Advanced GeoEnvironmental CIient Project ID Sierra Lumber Date Sampled 10/15/01 <br /> 837 Shaw Road Date Received 10/16/01 <br />' Stockton, CA 95215 Client Contact Tun Cuellar Date Extracted 10/16-10/17/01 <br /> Client P 0 Date Analyzed 10/16-10/17/01 <br />' Gasoline 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 i Cltent M Matrix TPH(g)+ MTBE Benzene Toluene Ethyl Xylenes %Recovery <br /> benzene Surrogate <br /> 80941 Influent Air 520,a ND 0 81 11 5 3 69 109 <br />' 80942 Effluent Air 72,a ND 13 17 ND 17 111 <br /> Reporting Limit unless Air 50 ug/L 5 0 0 5 0 5 0 5 05 <br /> otherwise stated,ND _ <br /> means not detected above' <br /> the reporting limit S 1 0 mg/kg 005 0 005 0 405 0 005 0 405 <br /> *water and air samples are reported in ug/L,wipe samples in ug/wipe,soil and sludge samples in mg/kg,and all TCLP and SPLP extracts in <br /> ug/L <br />' "cluttered chromatogram,sample peak coelutes with surrogate peak <br /> `The tollowine 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 signiffcant(aged <br />' gasoline?), c) lighter gasoline range compounds (the most mobile fracuon) 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),0 <br /> one to a tew isolated peaks present,g)strongly aged gasoline or diesel range compounds are significant, h)lighter than water imnuscible <br /> sheen is present,i)liquid sample that contains greater than—5 vol %sediment,a)no recognizable pattern <br />' DHS Certification No 1644 Edward Hamilton, Lab Director <br />