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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 /> Advanced GeoEnvironmentaI Client Project ID:Calkins Trucking Date Sampled:04/26/95 - <br /> 1803 West-March Lane,Ste.A Date Received:04/27/95 <br /> ' Stockton,CA 95207 Client Contact:Bob Marty Date Extracted:04/27/95 <br /> Client P.O: Date Analyzed:04/27-04/29/95 <br /> Gasoline Range(C6-C12) Volatile Hydrocarbons as Gasoline*,«ith BTEX* <br /> EPA methods 5030 modified 8015.and 8020 or 602.California Rey CB SF Bay Reion method GCFID 5030 <br /> Lab ID Client ID Matrix TPH(g)+ Benzene Toluene Etze ben- Xylenes ur Rec. <br /> ne Surrogate <br /> 52051 OX4-1 S --- ND ND ND ND 103 <br /> 52052 OX4-2 S --- 0.43 0.74 1.0 29 106 <br /> ' 52053 OX4-3 S --- ND< 0.1 ND< 0.1 0.26 0.89 97 <br /> 52054 OX4-4 S --- ND< 0.2 ND< 0,2 0.60 2.2 98 <br /> 1 i <br /> 1 <br /> i � t <br /> Reporting Limit unless other- W 50 ug/L 0.5 0.5 0.5 0.5 <br /> wise stated;ND means not de- <br /> tected above the reporting limit S 1.0 mg/kg 0.005 0.005 0.005 1 0.005 <br /> *water and vapor samples are reported in ug/L,soil samples in mg/kg,and all TCLP extracts in ing/L <br /> 1 #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 significant;b) heavier asoline <br /> range compounds are sigi ficant(aged gasoline?);c)ii�hter gasoline range compounds(the most mobile f action) <br /> are siWnificant; d) gasoline range compounds havingbrotear chromatofaphic peaks are significant;biologically <br /> altered gasoline?;e) TPH pattern thaf does not appear to be derived from gasoline (?)• f) one to a few isolated <br /> peaks present;g)strongly aged gasoline ordiesel range compounds are significant;h)lighter thanwater immiscible <br /> sheen is present;i) liquid sample that contains grea er than- 5 vol.% sediment;j) no recognizable pattern. <br /> DHS Certification No. 1644 �!/ Edward Hamilton,Lab Director <br />