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r � , <br /> 110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> ' hapflwwwrriccampbellcom E-mail mam@mccampbell conn <br /> ' Advanced GeoEnvironmental Client Project ID Rainwater Car Wash Date Sampled 01./21102 <br /> 837 Shaw Road Date Received 01/22/02 <br /> Stockton, CA 95215 Client Contact Tim Cuellar Date Extracted 01/24-01/25/02 <br /> ' Client P O Date Analyzed 01/24-01/25/01 <br /> Gasoline Range(C6-02)Volatile Hydrocarbons as Gasohne*,with Methyl tert-Butyl Ether* &BTEX* <br /> EPA methods 5030,modified 8015,and 8020 or 602,California RWQCB(SF Bay Region)method GCFID(5030) <br /> ' Lab ID Client ID Matrix TPH(g)' MTBE Benzene Toluene Ethyl- Xylenes %Recovery <br /> benzene Surrogate <br /> 88615 Influent W 23,000,a 15,000 2200 4000 730 3100 109 <br /> 88616 Effluent W ND ND ND ND ND ND 105 <br /> 10 <br /> 1 <br /> Reporting Linut unless W 50 ug/L 5 0 0 5— J70 5�5O <br /> otherwise stated,ND <br /> means not detected above <br /> the reporting limit S 10 mg/kg 005 0 005 0 005 0 005 <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 SDLP extracts <br /> m ug/L <br /> "cluttered chromatogram,sample peak coelutes with surrogate peak <br /> 'The following descriptions of the TPH chromatogram are cursory in nature and McCarnpbell 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 /> 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 gasohne9,e)TPH pattern that does not appear to be derived from gasoline(,7),0 <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,l)liquid sample that contains greater than—5 vol %sediment,l)no recognizable pattern <br /> DHS Certification No 1644 Edward Hamilton,Lab Director <br /> I <br />