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110 2nd Avenue South, 7,Pacheco,CA 94553 <br /> McCAMPBELL ANALYTICAL INC. Tele:510-798-1620 Fax:510-798-1622 <br /> John P.Cummings&Associates Client Project ID: #03961200; Piedmont Date Sampled:07/19/96 <br /> P.O.Box 2847 Tracy <br /> Date Received:07/22/96 <br /> Fremont,CA 94536-2847 Client Contact:John Cummings Date Extracted:07/22/96 <br /> Client P.O: Date Analyzed:07/22/96 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline*,with BTEX* <br /> EPA methods 5030 modified 8015 and 8020 or 602 California RW CB SF Ba Re 'on method GCFID(5030 <br /> Lab ID Client ID Matrix TPH(g)+ Benzene Toluene Ethyl en - Xylenes Sur oeC. <br /> gate <br /> 67141 S-1 S 4300,b,d 7.5 78 82 400 102 <br /> 67142 S-2 S 540,b,d 5.9 15 8.5 26 103 <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 0.005 <br /> *water and vapor samples are reported in ug/L,soil and sludge samples in mg/kg,and all TCLP extracts in mg/L <br /> a 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 gasoline <br /> range compounds are siggnntficant(aged gasoline?);c)ligghterggaasoline range compounds(the most mobile fraction) <br /> are sig-icant; d) soline range compounds having 6roadchromatographic peaks are significant;biologically <br /> altered gasoline?;eTPH pattern that does not appear to be derived from gasoline(?);f)one to a few isolated <br /> peaks present;g)stronglyy aged gasoline or diesel ran compounds are significant;h)lighter than water immiscible <br /> sheen is present;i) liquid sample that contains grea er than_ 5 vol.%sediment;j)no recognizable pattern. <br /> DH S Certification No. 1644 Edward Hamilton,Lab Director <br />