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110 2nd Avenue South, #137, Pacheco,CA 94553 <br /> lieMcCAMPBELL ANALYTICAL INC. Tele: 510-798-1.620 Fax:-510-798-1622 <br /> Advanced GeoEnvironmental Client Project ID: Calkins Trucking Date Sampled:04/14/95 <br /> 1803 West March Lane, Ste.A Date Received:04/18/95 <br /> Stockton,CA 95207 Client Contact:Bob Marty Date Extracted:04/18/95 <br /> Client P.O: Date Analyzed:04/18/95 <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 Bav Region)method GCF1D 5030 <br /> Lab ID Client ID Matrix TPH(g)` Benzene Toluene Etzen- Xylenes Rec. <br /> en <br /> ' ene Surrogate <br /> 51728 SP1-1,2 S --- ND 0.014,e ND ND 100 <br /> ' 51729 SP2-1,2 S --- ND ND 0.005 0.035 98 <br /> 51730 SP2-3,4 S --- ND ND ND 0.018 101 <br /> 51731 SP3-1,2 S --- ND ND ND ND I 89 <br /> 51732 SP3-3,4 S --- ND 0.032,e ND ND 87 <br /> I <br /> i <br /> I <br /> i <br /> I <br /> I <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 0A05 0.005 0,005 <br /> I <br /> *water and vapor samples are reported in ug/L,soil samples in mg/kg,and all TCLP extracts in mg/L <br /> #cluttered chromatogram;sample peak coelutes with surrogate peak <br /> ' + The folloi%ing descriftions of the TPH chromatogram are cursory in nature and McCampbell Anal}tical is not <br /> responsible for their in a retation:a) unmodified or N% y modified gasoline is significant;b heap'er gasoline <br /> range compounds are siF�f'icant(aged gasoline?);c)lieteVasoline range compounds(the most mobile fraction) <br /> are significant;d) Baso 1Cne range compounds haviq road chromatographic peaks are significant; biologically <br /> altered gasoline?;e) Toluene is most llkeley an artifact from tape used to seal the cores;f) one to a Fen isolate <br /> peaks present;g)strong]yaged gasoline ordiesel range compoundsare ificant;lt}lighter than water immiscible <br /> . sheen is present',i) liquid sample that contains greater than 5 vol. % sediment;j) no recognizable pattern. <br /> DHS Certification No. 1644 1 Edward Hamilton,Lab Director <br /> 1 <br />