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I I0 2nd Avenue South,4D7,Pacheco,CA 94553-5560 <br /> MCCAMPBELL ANALYTICAL INC. Telephone: 925-798-1620 Fax:925-798-1622 <br /> h :/tt� /www.mccamnbell.c2m E-mail:main@mccampbell.com <br /> Advanced GeoEnvironznentaJCtlientContactt: <br /> t ID:Pacific Car Wash Date Sampled: 07/25/01 <br /> 837 Shaw Road Date Received: 07/27/01 <br /> Stockton, CA 95215 Tim Cuellar Date Extracted: 07/27-07/30/011 <br /> - Client P.O: Date Analyzed: 07/27-07/30/01 <br /> Gasoline Range(C6 C12)Volatile Hydrocarbons as Gasoline*,with Methyl tert-Butyl Ether*&BTEX* <br /> EPA methods 5030,modified 8015,and 8020 or 602;California RWQCB(SF Bay Region)method GC <br /> FID(5030) <br /> } <br /> Lab ID Client ID Matrix TPH(g)} MTBE Benzene Toluene Ethyl' %Recovery <br /> f benzene Xylenes <br /> Surrogate <br /> 73505 P-11135-40 W 37,000,a,i ND<200 240 730 1300 4000 97 <br />` 73506 P-11170-75 W ND ND ND 0.8I0.70 3.9 102 <br /> 73507 P-11/85-90 W 150,b ND ND 1.2 2.1 12 103 r <br /> 73508 P-11/95-100 W 360,b,i ND ND 2.2 6.4 39 102 <br /> i <br /> ii �• <br /> 1 <br /> Reporting Limit unless <br /> W 50 ug/L 5.0 0.5 0.5 0.5 0.5 <br /> otherwise stated;ND <br /> means not detected above <br /> F~ the reporting limit S 1.0 mg/kg 0.05 0.005 0.005 0.005 0.005 <br /> L ' <br /> *water and vapor samples are reported in ug/L,wipe samples in ug/wipe,soil and sludge samples in mg/kg,and all TCLP and SPLP extracts <br /> in ug/L <br /> "cluttered chromatogram;sample peak coclutes with surrogate peak <br /> +The following descriptions of the TPH chromatogram are cursory in nature and McCampbell Analytical is not responsible for their <br /> interpretation: a) unmodified or weakly modified gasolinc is significant; b) heavier gasoline range compounds are significan1laged <br /> gasoline?); c) lighter gasoline range compounds (the most mobile fraction) are significant; d) gasoline range compounds having broad <br /> chromatographic peaks are significant;biologically altered gasoline?;e)TPH pattern that does not appear to be derived from gasoline(?);t) <br /> ` one to a few isolated peaks present;g)strongly aged gasoline or diesel range compounds are significant;h)lighter than water immiscible <br /> sheen is present;i)liquid sample that contains greater than—5 vol.%sediment;j)no recognizable pattern. <br /> } <br /> k <br /> DHS Certification No. 1644 Edward Hamilton,Lab Director <br />