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McCAMPBELL ANALYTICAL INC. 110 2nd Avenue South, #137,Pacheco,CA 9 553 <br /> 16 Tele:510-798-1620 Fax:510-798-16Z <br /> Advanced GeoEnvironmentaI 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 E-,tracted:04/18/95 <br /> Client P.O: Date Analyzed:04/18/95 <br /> ' Gasoline Range(C6-C12) Volatile Hydrocarbons as Gasoline*,iiith BTEX* <br /> EPA methods 5030,modified 8015,and 8020 or 602;California R1\' CB SF Bayge ion method GME)(5030 <br /> Lab ID Client 1D Matrix TPH(g)+ Benzene Toluene Ethylben- Xylenes % Rec. <br /> zene Surrogate <br /> 51728 SPI-1,2 S --- ND 0.014 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 f S --- ND ND ND ND 89 <br /> 51732 SP3-3,4 S --- ND 0.032 ND ND 87 <br /> I <br /> Reporting Limit unless other- W 50 ug/L 0.5 0.5 0.5 0.5 <br /> ' )aise stated;ND means not de- <br /> tected above the reporting limit S 1.0 mg/kg 0.005 I 0.005 0.005 0.005 <br /> water and vapor samples are reported in ug/L,soil samples in mg/kg,and all TCLP extracts in mg/L <br /> 4 cluttered chromatogram;sample peak coelutes iiith surrogate peak <br /> + The follo\�ing descriptions of the TPH chromatogram are curson,in nature and McCampbell Anal}tical is not <br /> responsible for their interpretation: a)unmodified or weakly modified gasoline is siTificant;b) heav►ez gasoline <br /> range compounds are s1 1lcant(aged gasoline?);c)lightergasoline range compounds(the most mobile fraction) <br /> are significant; d) asoline range compounds halving broad�chromato�raphis eaks are significant; biologically <br /> altered gasoline?;e� Toluene is most 1�lceley an artifact from tape used to seal ea cores;f) one to a few isolated <br /> ' peaks present;g)stronglyaged roline or diesel range compounds are significant;h)lighter than water immiscible <br /> sheen is present;i) liquidd samp a that contains greater than— 5 vol.% sediment;j) no recognizable pattern. <br /> ' DHS Certification No. 1644 l�� Edaard Hamilton,Lab Director <br />