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i <br /> 110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> //www c 1 c E-mail main@mccampbell com <br /> Advanced GeoEnvironmental Client Project ID Sierra Lumber Date Sampled 08/03/2000 <br /> 4005 North Wilson Way Date Received 08/04/2000 <br /> Stockton,CA 95205 Client Contact Tum Cuellar Date Extracted 08/04/2000 <br /> I Client P O Date Analyzed 08/04/2000 <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 /> I Lab ID Client ID Matrix TPH(g); MTBE Benzene Toluene Et yllbeen Xylenes o Recovery <br /> Surrogate <br /> 44426 MW2/008-03 W 5400,a ND¢10 75 91 290 860 102 <br /> 44427 MW30/008-03- W ND ND ND ND ND ND 104 <br /> 44428 MW4A/08- W 71,000,a ND<100 520 8000 2300 11,000 106 <br /> 03-00 <br /> 44429 MW4B/08- W 81,000,a ND<100 5900 11,000 2500 12,000 100 <br /> 03-00 <br /> 44430 MW 008-03- W 110,f ND ND 21 ND ND 103 <br /> I <br /> Repomng Limit unless W 50 ug/L so 05 05 05 05 <br /> otherwise stated,ND <br /> means not detected above <br /> the reporting limit S 10 mg/kg 005 0 005 0 005 0 005 0 005 <br /> water and vapor samples are reported in ug/L,wipe samples in ug/wipe,soil and sludge samples in mg/kg,and ail TCLP and SPLP extracts <br /> in ug/L <br /> a 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 /> I interpretation a) unmodified or weakly modified gasoline is significant, b) heavier gasoline range compounds are significant(aged <br /> gasohne9), 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(?),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 /> DHS Certification No 1644 Edward Hamilton,Lab Director <br />