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110 2nd Avenue South, #D7,Pacheco,CA 94553 <br /> McCAMPBELL ANALYTICAL INC. Tele:510-798-1620 Fax:510-798-1622 <br /> • Geological Audit Services Client Project ID:GEWEKE Date Sampled:03/28194 <br />' 1803 West March Lane,Ste.A Date Received:03/29/94 <br /> Stockton,CA 95207 Client Contact:Bob Marty Date Extracted:03/30-03/31/94 <br /> Client P.O: Date Analyzed:03/30-03/31/94 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline*,with BTEX* <br /> EPA methods 5030,modified 8015 and 8020 or 602 California RW(0)CB SF Ba Re 'an method GCFIf) 5030 <br /> Lab ID Client ID Matrix TPH(g)+ Benzene Toluene Ethylben- Xylenes % Rec. <br /> zene Surrogate <br /> 34923 MW-6/3-28-94 W 80,c ND ND ND ND 111 <br /> 34924 MW-7/3-28-94 W 220,b,c ND ND 1.5 3.7 96 <br /> 34925 MW-8/3-28-94 W 290,b,c 2.9 0.59 7.9 17 1224 <br /> 34926 MW-9/3-28-94 W 690,b,c 27 1.0 34 22 108 <br /> 34927 MW-10/3-28-94 W 140,c 6.3 ND ND 1.9 103 <br /> 34928 MW-11/3-28-94 W 1000,c ND< 0.05 ND< 0.05 2.1 2.6 --- <br /> 34929 <br /> -34929 MW-12/3-28-94 W 280,d 2.6 6.6 1.5 6.3 104 <br /> 34930 EW-1/3-28-94 W 5400,b,c 5.6 3.6 100 520 98 <br /> 34931 MW-13/3-28-94 W ND ND ND ND ND 100 <br /> 34932 MW-14/3-28-94 W 280,b 1.3 11 4.3 66 98 <br /> I <br /> I <br /> Detection Limit unless other- W 50 ug/L 0.5 0.5 0.5 0.5 <br /> wise stated;ND means Not <br /> Detected S 1.0 mg/kg 0.005 0.005 0.005 0.005 <br /> *water samples are reported in ug/L,soil samples in mg(kg,and all TCLP ewacts in mg/L <br /> #cluttered chromatogram;sample peak co-elutes with surrogate peak <br /> + The following descriptions of the TPH chromatogram are curso in nature and McCampbell Analytical is not <br /> responsible for their inte retation:a)unmodified or weak/ modified soline is siuficant;b) heavier gasoline <br /> range compounds are significant(aged gasoline`/);c)li ter gy soline range compaunls(the most mobile traction) <br /> are significant, d) sohne range compounds are si�icant;n0 recognizable pattern, e) TPH pattern that does <br /> not appear to�e derived from gasoline ?)' ) one o a few isolatedpeaks present;gj strongly aged gasoline or <br /> diesel range compounds are significant; )lighter than water immiscible phase is present. <br /> DHSCertification No. 1644 '.}� Edward Hamilton,Lab Director <br /> I II <br />