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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 /> ' 120 .- http//www mccampbell corn E-mail main@mccampbell corn <br /> Advanced GeoEnvironmental Client Project ID Rainwater Car Wash Date Sarnpled 01/23/02 <br /> ' 837 Shaw Road Date Received 01/24/02 <br /> Stockton.,CA 95215 Client Contact Tim Cuellar Date Extracted 01125-01/29/02 <br /> ' Client P O Date Analyzed 01/25-01/29/02 <br /> Gasoline Range(C6-02) 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 GUID(5030) <br /> Lab ID Client ID Matrix 'TPH(gy MTBE Benzene Toluene Ethyl Xylenes %Recovery <br /> benzene Surrogate <br /> 88845 Influent W 28,000,a 34,000 1600 2400 430 1800 100 <br /> ' 88846 Effluent W ND ND ND ND ND ND 104 <br /> 88847 GAC NO 2 W ND ND ND ND ND ND 99 <br /> ' Repotting Limit unless W 50 u 5 0 0 5 0 5 O S S 0 Sr <br /> otherwise stated,ND <br /> means not detected limit <br /> above --S c -1 0 mg/kg - 0 05I <br /> 0 005 0 005 0 005 00054 <br /> — —Tx <br /> the reporting limit <br /> *water and vapor samples are reported in ug/L,wipe samples in ug/wipe,soil and sludge samples in mg/kg,and all TCLF and SPLP extracts <br /> in ug/L <br /> "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 responsible for their <br /> interpretation a) unmodified or weakly modified gasoline is significant, b) heavier gasoline range compounds are significant(aged <br /> gasoline9), 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(9),f) <br /> } one to a few isolated peaks present g)strongly aged gasoline or diesel range compounds are significant,h)lighter than water ittutnscible <br /> sheen is present i)liquid sample that contains greater than—5 vol %sediment,I)no recognizable pattern <br /> DHS Certification No 1644 Edward Hamilton,Lab Director <br /> r <br />