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110 2nd Avenue South, #D7,Pacheco,CA 94553 <br /> 7McCAMPBELL ANALYTICAL INC Tele 510-798-1620 Fax 510-798-1622 <br />' Advanced GeoEnvironmental Client Project ID Art&Artists Date Sampled 03/22/96 <br /> 1803 West March Lane,Ste A Date Received 03/23/96 <br />' Stockton,CA 95207 Client Contact Kevin McKibben Date Extracted 03/23-03/24/96 <br /> Client P O �DateAnalyzed 03/23-03/24/96 <br /> i� Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline*,with BTEX* <br /> EPA methods 5030 modified 8015 and 8020or 602 California RW CB SF Bay Region)method GCFID 5030 <br /> Lab ID Client ID Matrix TPH(g)+ Benzene Toluene Ethylben- Xylenes % Rec. <br /> zene y Surrogate <br /> 62704 A+ A/3-22-96 Air 4400,b ND 71 88 530 96 <br /> 1 <br /> Reporting Luna unless other- Air 50 ug/L 05 05 05 05 <br /> wise stated,ND means not de- <br /> tected above the reporting limit S 1 0 mg/kg 0 005 0 005 0 005 0 005 <br /> *water and vapor samples are reported in ug/L,soil samples in mg/kg,and all TCLP extracts m mg/L <br /> #cluttered chromatogram, sample peak coelutes with surrogate peak <br /> + The following descritions of the TPH chromatogram are cursoryym nature and McCampbell Analytical is not <br /> responsible for their interpretation a)unmodified or weaklymodified gasoline is s�gntficant,b)heavier gasolune <br /> range compounds are significant(aged gasoline?),c)1iA ter asolune range compounds(the most mobile fraction) <br /> are significant, d) asolme range compounds having Ei oa�chromato aphic peaks are significant, biologically <br /> altered gasoline?, eg TPH pattern thaf does not appear to be derived�om gasoline (9),f) one to a few isolated <br /> peaks present,g)stronglyaged gasoline or diesel range compounds are significant,h}lighter than water immiscible <br /> sheen is present,r)liqui sample that contains greater than— 5 vol % sediment,1)no recognizable pattern <br /> DHS Certification No 1644 Edward Hamilton,Lab Director <br /> 1 <br />