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1 <br />' 110 2nd Avenue South, #D7,Pacheco, CA 94553 <br /> McCAMPBELL ANALYTICAL INC Tele 510-798-1620 Fax 510-798-1622 <br /> Advanced GeoEnvironmental Client Project ID AGE-NC Project # 95- Date Sampled 01/19/96 <br /> 1803 West March Lane, Ste A 0130 Date Received 01/20/96 <br /> Stockton,CA 95207 Client Contact Tun Cuellar Date Extracted 01/20/96 <br /> Client P O Date Analyzed 01/20/96 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline*,with BTEX* <br /> EPA methods 5030 moddfied 8015 and 8020 or 602 CaL&Grnla RW CB SF Bay Re ion method GCFID(5030 <br /> Lab ID Client ID Matrix TPH(g)+ Benzene Toluene Ethylbe n- Xylenes Sur oeCzenete <br /> 60653 1 AN 68,000,a,c 1700 5800 610 2100 113# <br /> 60654 2 Air 50,000,a,c 1900 4200 440 1600 112# <br /> 60655 3 Air 95,000,a 3500 7000 640 6200 # <br />' 60656 4 Au I1,000a,c 420 880 84 300 111# <br /> 60657 5 Air 8500,a 370 740 70 250 104 <br /> Reporting Lumit unless other- Air 50 ug/L 05 05 05 05 <br /> wise stated,ND means not de- <br /> tected above the reporting limit S 10 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 in mg/L <br /> I #cluttered chromatogram,sample peak coelutes with surrogate peak <br /> } The following descritions 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 siicant,b) heavier gasoline <br /> range compounds are siaiiificant(aged gasoline?),c)hghter gasoline range compounds(the most mobile fraction) <br /> are sigicart, d) gasoline range compounds having broad chromatographic peaks are significant, biologically <br /> altere gasoline?,e) TPH pattern thaf does not appear to be derived from gasoline (7), one to a few isolated <br /> peaks present,g)stronglyy aged gasoline or diesel range compounds are significant,h)lighter than water immiscible <br /> ? sheen is present,t) hquid sample that contains greafer than- 5 vol % sediment,j) no recognizable pattern + N 1.\ <br /> DHS Certification No 1644 f�y� Edward Hamilton,Lab Director <br />