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110 2nd Avenue South, #D7, Pacheco,CA 94553 <br /> IvIcCAMPBELL ANALYTICAL INC. Tele:510-798-1620 Fax:510-798-1622 <br /> Geological Audit Services Client Project ID:Stockton Fire Station# 12 Date Sampled:09/02/94 <br /> 1803 West March Lane,Ste.A Date Received:09/02/94 <br /> i <br /> Stockton,CA 95207 Client Contact:Bob Marty Date Exlracted:09/02-09/07/94 <br /> Client P.O: Date Analyzed:09/03-09/08/94 <br /> Gasoline Range(C6-C12) Volatile Hydrocarbons as Gasoline*,with BTEX* <br /> EPA methods 5030,modified 8015,and 8020 or 602;California RVQ' CB SF Bay Re 'on method GCF1D 5030 I <br /> + i I <br /> Lab ID Client ID Matrix TPH(g) Benzene Toluene zene Ethylben- Xylenes % Rec. <br /> Surrogate <br /> 10744 TK-1 S ND ND ND ND ND 99 I <br /> I <br /> 10745 TK-2 S --- I 0.24 i 1.9 0.88 4_6 93 <br /> 40746 ( SP-1 S 170,b ND< 0.051 0.28 I 0.2.3 8.8 85 i <br /> t <br /> I <br /> I <br /> I <br /> I � <br /> I iI <br /> i <br /> I <br /> I i <br /> I i I <br /> I <br /> Detection Limit unless other- W 50 ug/L 0.5 0.5 0.5 0.5 <br /> Mise stated;ND means Not <br /> Detected S 1.0 mg/kg 0.005 0.005 0.005 0.005 <br /> I _ <br /> *nater samples are reported in ug/L,soil samples in mg/kg,and all TCLP extracts in mg/L <br /> cluttered chromatogram;sample peak co-elutes with surrogate peak <br /> + The folloving descriptions of the TPH chromatogram are cursor�in nature and McCampbell Analytical is not <br /> responsible for their interpretation:a unmodified or N eakly modified gasoline is significant;b) heaN- a <br /> nfisoline <br /> range compounds are sigrcant(aged gasoline?);c)lighter gasoline range compounds(the most mobile action) <br /> are significant- d) asohne range compounds are si scant;no recognizable pattern- e) TPH pattern that does <br /> not appear rato�e erived from gasoline ((?);fl n'one to a few isolated ppeaks present;gj strongly aged gasoline or <br /> diesel nge compounds are significant;fi) lighter than nater immiscible phase is present. <br /> DH S Certification No. 1644 Edward Hamilton,Lab Director <br />