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110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC. Telephone:925-798-1620 Fax:925-798-1622 <br /> htty://www_mccaambell.com E-mail:maintclr c;campbcll.com <br /> Advanced GeoEnvironmental Client Project ID:Ro-Tile LLC Date Sampled: 11/07/2000 <br /> 4005 North Wilson Way Date Received: 11/08/2000 <br /> Stockton,CA 95205 Client Contact:Brian Millman Date Extracted: 11/08/2000 <br /> Client P.0: Date Analyzed: 11/08/2000 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline*,with Methyl tert Butyl Ether*&BTEX* <br /> GPA methods 5030,modified 8015,and 8020 or 602;California RWQCA(SF Ray Region)method GCFSD(5030) <br /> Lab TD Client M Matrix TPH(g)- MTBE Benzene Toluene Ethen en- Xylenes %Recovery <br /> acne Surrogate <br /> 52450 132-H20 W --- -- ND ND , ND ND 100 <br /> I <br /> Reporting Limit unless W 50 ug/L 5.0 0.5 0.5 0.5 0.5 <br /> otherwise stated;ND <br /> means not detected above <br /> the reporting limit S 1.0 mg/kg 0.05 0.005 0.005 0.005 0.005 <br /> 'water and vapor samples arereported in ug/L,wipe samples in ug/wipe,soil and sludge sampics in mg/kg,and all TCLP and SDLP extracts <br /> in ug/L <br /> °cluttered chromatogram;sample peak coclutcs with surrogate peak <br /> 'The following descriptions of the TPH chromatogram arc cursory in nature and McCamphell Analytical is not responsible for their <br /> interpretation: a) unmodified or weakly modified gasoline is significant; b) heavier gasoline range compounds are significant(agcd <br /> gasoline?); c)lighter gasoline range compounds(the most mobile tinction)aro significant;d)gasoline range compounds!raving broad <br /> chromatographic peaks are significant;biologically altered gasoline?;e)TPH pattcm that docs not appear to he derived from gasoline(?);f) <br /> one to a few isolated peaks present;g)strongly aged gasoline or diesel range compounds are signtticant;h)lighter than water immiscible <br /> sheen is preacnt;i)liquid sample that contains greater than—5 vol.%sediment;j)no recognizable pattern. <br /> DHS Certification No. 1644 Edward Hamilton,Lab Director <br />