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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 />' htW//www mccampbell com E-mail main@mccampbell corn <br /> • <br />' Advanced GeoEnvirontriental Client Protect ID Sierra Lumber Date Sampled 07/11/01 <br /> 837 Shaw Road Date Received 07/12/01 <br />' Stockton, CA 95215 Client Contact Tun Cuellar Date Extracted 07/12/01 <br /> Client P O Date Analyzed 07/12/01 <br />' Gasoline Range(C&C12)Volatile Hydrocarbons as Gasoline*,with Methyl tert-Butyl Ether* &BTEX* <br /> LPA methods 5030,modified 8015,and 8020 or 602,California RWQCB(SF Bay Region)method GCFID(5030) <br /> Lab ID Client TD Matrix TPH(g)+ MTBE Benzene Toluene Ethyl- Xylenes %Recovery <br />' benzene Surrogate <br /> 72272 Influent Air 1300,a ND 3 2 73 19 150 105 <br /> 72273 Effluent Air 270,e,a ND 3 6 49 ND 086 120 <br /> I <br /> Reporting Linut unless Air 50 ug/L 5 0 05 05 0 5 0 5 <br /> otherwise stated,ND <br /> means not detected above <br /> the reporting limit S 10 mg/kg 0 05 0 005 0 005 0 005 0 005 <br /> I "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 /> u 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 /> gasoline"), c) lighter gasoline range compounds (the most mobile fraction) are significant, d) gasoline range compounds having broad <br /> I chromatographic peaks are significant,biologically altered gasoline",e)TPH pattern that does not appear to be derived from gasoline(v),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,j)no recognizable pattern <br /> IDHS Certification No 1644 Edward Hatrulton,Lab Director <br />