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110 Second Avenue South,#D7,Pacheco,CA 94553 <br /> McCAMPBELL ANALYTICAL INC Telephone 510-798-1620 Fax 510-798-1622 <br /> . io hit p//www mccant ell co m E-mail main@mccampbell com <br /> Advanced GeoEnvironmental Client Project ID #95-0137,Ripon Date Sampled 01/22/98 <br /> 4005 North Wilson Way Farm Service Date Received 01/23/98 <br /> ' <br /> Stockton,CA 95205 CIient Contact Bill Little Date Extracted 01127-01/29/98 <br /> Client P O Date Analyzed 01/27-01/29/98 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasohne*,with A9ethyl tert-Butyl Ether* &BTEX* <br /> EPA methods 5030,modified 8015,and 8020 or 602,California RWQCB(SF Bay Region)method GCF1D(5030) <br /> Lab ID Client ID Matnx TPH(g)" MTBE Benzene Toluene Ethen en- Xylenes %Recovery <br /> ze Surrogate <br /> 85233 MW-I/1-22-98 W I IOO,b,d ND ND 090 12 27 105 <br /> 85234 MW-211-22-98 W 9100,a 8 7'' 1400 57 460 830 104 <br /> 85235 MW-311-22-98 W 530,b 51 ND 1161 1 8 44 105 <br /> 85236 Mw-411-22-98 W 310,1 ND ND 1 0 ND 061 96 <br /> 85237 MW-5/1-22-98 W ND ND ND ND ND ND 104 <br /> Result not in substantial agreement with EPA 8260,presumably due to the less certain compound identification/resolution <br /> inherent in EPA method 8020 <br /> 1 <br /> ' <br /> Reporting Limit unless W 50 ug/L 5 0 0 5 0 5 05 05 <br /> otherwise stated ND means <br /> ' not detected above the <br /> reporting limit S 1 0 mg/kg 0 05 0 005 0 005 0 005 0 005 <br /> "water and vapor samples are reported in ug/L,Hipe samples in ug/u ipe soiland sludge_samples in mglkg and all TCLP and SPLP extracts <br /> in ug/L i <br /> *cluttered chromatogram,sample peak coelutes with surrogate peak <br /> "The following descriptions of the TPH chromatogram are cursory in nature and McC impbell Analytical is not responsible for their <br /> ' interpretation a) unmodified or weakly modified gasoline is significant b) heavier gaeohne 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 peaks are significant,biologically altered gasoline) e)TPH pattern that does not appear to be derived from gasoline(") 0 <br /> one to a few isolated peaks present,g)strongly aged gasoline or diesel range compounds ale significant h)lighter than water immiscible <br /> ' sheen is present,i)liquid sample that contains greater than—5 vol °/I sediment j)no recognizable pattern <br /> DHS Certification No 1644 Edward Hamilton, Lab Director <br />