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fAOL <br /> 110 2nd Avenue Sout , D7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> htto//www mccat ttnbell com E-mail main@mccampbell com <br /> ' Date Sampled 03123-03124199 <br /> Gallardo&Associates Client Project ID #024 99,Western Oil <br /> &Spreading Date Received 04/02/99 <br /> ' <br /> 9417 Kensington Court <br /> Windsor,CA 95492 Client Contact Rafael Gallardo Date Extracted 04/02/99 <br /> Client P O Date Analyzed 04/03/99 <br /> Gasoline Range Volatile Hydrocarbons as Gasoline*,with Methyl tert-Butyl Ether* & BTEX* <br /> (C6-C12} <br /> EPA methods 5030,modified 8015,and 8020 or 602,California RWQCB(SF Bay Region)method GCFID(5030) <br /> Ethylben- %Recovery <br /> Lab ID Client ID Matrix TPH(g)+ MTBE Benzene Toluene zene Xylenes Surrogate <br /> 05853 B2-8 39 %2-40 S ND ND ND NDND ND 103 <br /> 05869 B4-8 29 '/2-40 S ND ND ND ND ND ND 103 <br /> I <br /> 1 <br /> Reporting Limit unless W 50 ug/L 5 0 0 5 0 5 0 5 05 <br /> otherwise stated.ND means <br /> ' not detected above the S 1 0 mg/kg 0 05 0 005 0 005 0 005 0 005 <br /> reporting limn <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 /> in ug/L I <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 /> gasolme9), 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?,c)TPH pattern that does not appear to be derived from gasoline('r) 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 1)no recognizable pattern <br /> DHS Certification No 1644 �'L Edward Hamilton,Lab Director <br />