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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 /> hn//www mccam bell com E-mail mam@mccampbell corn <br />' Advanced GeoEnvironmental Client Project ID Chase Van.Buren Date Sampled 08/16/01 <br /> 837 Shaw Road Date Received 08/17/01 <br />' Stockton, CA 95215 Client Contact Paul Dotson Date Extracted 08117-08/20/01 <br /> Client P O Date Analyzed 08/17-08/20/01 <br />' Gasoline Range(C6-C12)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)} MT13E Benzene Toluene Ethyl- Xylenes %Recovery <br /> benzene Surrogate <br /> 74958 MW3/ W 150,OOO,a,h ND<400 8300 35,000 2400 29,000 105 <br />' 081601 <br /> 74959 MW6/ W 330,a ND 5 8 ND 36 12 102 <br /> 081601 <br /> 74960 MW7/ W 510,a ND 6 3 40 38 065 --- <br /> 081601 <br /> -081601 <br /> 74961 MW91 W 11,000,a ND<10 12 6 9 480 890 " <br /> 081601 <br /> 74962 MW 10/ W ND ND ND ND ND ND 108 <br />' 081601 <br /> 74963 MW 14/ W ND ND ND ND ND ND 108 <br /> 081601 <br />' 74964 MW15/ W ND ND ND ND ND ND 107 <br /> 081601 <br /> 74965 MW 161 W ND ND ND ND ND ND 107 <br /> 081601 <br />' 74966 MW17/ W ND ND ND ND ND ND 107 <br /> 081601 <br /> 74967 MW22/ W ND ND ND ND ND ND 106 <br /> 081601 <br />' 74968 MW23/ W ND ND ND ND ND ND 108 <br /> 081601 <br /> 74969 MW24/ W ND ND ND ND ND ND 107 <br />' 081601 <br />' Reporting Limit unless W 50 ug/L 50 0 5 0 5 0 5 0 5 <br /> otherwise stated,ND <br /> means not detected above S 10 mg/kg 0 05 0 005 0 005 0 005 0 005 <br />' the reporting hrtut <br /> *water and vapor samples are reported to 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 />' "cluttered chromatogram,sample peak coelutes with surrogate peals <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 srgnrficant(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 gasoline,c)TPH pattern that does not appear to be derived from gasoline(7),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,r)liquid sample that contains greater than—5 vol %sediment,l)no recognizable pattern <br /> 1 <br /> DHS Certification No 1644 Edward Hamilton,Lab Director <br /> 1 <br />