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110 Second Avenue South,#D7,Pacheco,CA 94553-5560 <br /> MCCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br />' 24 hq2.//www mccw=bell corn E-mail matn@mccampbell corn <br /> Advanced GeoEnvironmentaI Client Project ID Ripon Farm Service Date Sampled 05/11/98 <br /> 4005 North Wilson Way Date Received 05/14/98 <br /> Stockton,CA 95205 Client Contact Bill Little Date Extracted 05114-05/22198 <br /> Client P O Date Analyzed 05/14-05122198 <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 GUID(5030) <br /> Lab 1D Client ID Matrix TPH(g)+ MTBE Benzene Toluene Ethylben- Xylenes %Recovery <br /> zene Surrogate <br /> 89246 B 19-10 S 270,g,) ND<0 2 0 11 1 0a 4 9 1 3& 105 <br /> ' 89247 B 19-20 S 440,bd ND<0 5 ND<O 34 1 6" 7 9 86 115" <br /> ' 89248 B 19-30 S ND ND NO ND ND ND 100 <br /> 89249 B 19-35 S ND NO NO ND NO NO 93 <br /> ' 89250 B 18-10 S ND ND NO ND ND ND 95 <br /> 89251 B 18-20 S ND NO ND ND 0 023 0 008 93 <br /> 89252 B 18-30 S NO ND NO NO ND NO 94 <br /> 89253 818-35 S ND NO NO ND NO NO 89 <br /> ' 89254 B 20-20 S --- --- NO ND ND 0 017 93 <br /> ' 89255 B 21-20 S 6 O,g NO NO ND NO 0 022 97 <br /> 89256 B22-20 S ND ND ND ND 105 <br /> ' Results not in substantial agreement with EPA 8260 result,presumably due to the less certain compound identification/ <br /> resolution inherent in EPA 8020 <br /> Reporting Limit unless W 50 ug/L 5 0 0 5 0 5 0 5 05 <br /> otherwise stated,ND <br /> means not detected above <br /> the reporting limit L S 10 mg/kg 0 OS 0 005 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 /> ' in ug/L <br /> "cluttered chromatogram,sample peak coelutes with surrogate peak <br /> ' 'The fallowing descnpuons of the TPH chromatogram are cursory ur 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 fraction) are significant, d) gasoline range compounds having broad <br /> . chromatograpbic peaks are significant,biologically altered gasolme9 e)TPH pattern that does not appear to be derived from gasoline(1),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 /> ' sheen is present,i)liquid sample that contains greater than--5 vol %sediment 1)no recognizable pattern <br /> DHS Certification No 1644 Edward Hamilton,Lab Director <br />