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1102nd Avenue South,#D7,Pacheco,CA 94553-5560 <br />' McCAMPBELL ANALYTICAL INC Telephone 925-798=1620 Fax 925-798-1622 <br /> http//www mccampbell com E-mail main@mccampbe]I com <br />' Advanced GeoEnvironmental Client Project ID Waterloo Food&Fuel Date Sampled 02/02/00 <br /> 4005 North Wilson Way Date Received 02/03/00 <br />' Stockton, CA 95205 Client Contact Tony Mikacich Date Extracted 02/06-02/07100 <br />' Client P O Date Analyzed 02/06-02/07/00 <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 GCFID(5030) <br />' Lab ID Client ID Matrix I PH(g)+ MTBE Benzene Toluene Ethylben-� Xylenes %Recovery <br /> zene Surrogate <br /> 30201 MW-1 W 84,000,a,h 2900 13,000 8700 2900 12,000 105 <br /> t30202 MW-3 W 46,OOO,a,h 29,000 3800 2500 1700 6200 104 <br /> 30203 MW-4 W 120,OOO,a 42,000 11,000 21,000 2900 16,000 107 <br /> I <br /> I <br /> I <br /> I <br /> I <br /> Reporting Limit unless W $0 ug/L 50 05 05 05 05 <br /> otherwise stated,ND <br /> means not detected above <br /> the reporting limit S 1 0 mg/kg 005 0 005 0 OOS 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 SPLP extracts <br /> in ug/L <br /> I "cluttered chromatogram,sample peak caelutes with surrogate peak <br /> 'The following descLptions 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 /> gasoline?), c) lighter gasoline range compounds (the most mobile traction)are significant d) gasoline range compounds having broad <br /> chromatographic peaces are significant,biologically altered gasoline?,e)TPH pattern that does not appear to be derived from gasoline(?),f) <br /> one to a few isolated peaks present,g)strongly aged gasoline or diesel range compounds are significant,h)lighter than water immiscible <br /> Isheen is present,i)liquid sample that contains greater than—5 vol %sediment,t)no recognizable pattern <br /> DHS Certification No 1644 JA,—Edward Hamilton, Lab Director <br />