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1x0 2nd Avenue South, #D7,Pacheco,CA 94553 <br /> McCAMPBELL ANALYTICAL INC16 T Tele 510-798-1620 Fax 510-798-1622 <br /> ' Advanced GeoEnvironmental,Inc Client Project ID Art&Artists Date Sampled 12/20/96 <br /> 1803 West March Lane, Suite A Date Received 12/20I96 <br /> ' Stockton,CA 95207 Client Contact Kevin McKibben Date Extracted 12/20/96 <br /> Client P O Date Analyzed 12/20/96 <br /> ' Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline*,with Methyl Cert-Butyl Ether*&BTEX* <br /> EPA methods 5030 modified 8015 and 8020 or 602 California RWS2 CB 5F Bay Re ion method QUID(5030 <br /> Lab ID Client ID Matrix TPH(g)+ MTBE Benzene Toluene Ethylben-' Xylenes %Rec--- zene Surrogate <br /> 72343 A&A/12-20-96 Air 390,ba ND 059 32 27 103 <br /> r <br /> I <br /> I <br /> Reporting Limit unless Air 50 ug/L 50 05 05 05 05 <br /> otherwise stated,ND <br /> means not detected <br /> above 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,soil and sludge samples in mg/kg,and all TCLP extracts in rng/L <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 <br /> responsible for their interpretation a)unmodified or weakly modified gasoline is sigificant,b) heavier gasolme <br /> range compounds are si�gnriificant(aged gasoline?),c)li�terggasohne range compounds(the most mobile faction) <br /> are significant, d) asoIlne range compounds having 5roadchromatographic peaks are significant, biologically <br /> altered gasoline - TPH pattern that does not appear to be derived from gasoline (?),fj one to a few isolated <br /> peaks present,g)stronglyaged gasoline or diesel range compounds are significant,e signcant,h)Iighter than water immiscible <br /> /o <br /> • sheen is present,i) liquid sample that contains greater than 5 vol sediment,j) no recognizable pattern <br />' DHS Certification No 1644 ZZZ <br /> Edward Hamilton,Lab Director <br />