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' 110 Second A%enue South,#D7 Pacheco,CA 94553 <br /> McCAMPBELL ANALYTICAL INC Telephone 510-798-1620 Fax 510-798-1622 <br /> http w mccampbell com E-mail team a mccampbell corn <br /> ' Advanced GeoEnvironmental Client Project ID Chapin Biotheis Inc Date Sampled 09/22/97 <br /> 1803 West March Lane, Ste A Date Received 09/23/97 <br /> ' Stockton, CA 95207 Client Contact Bill Little Date Extracted 09/23/97 <br /> Client P O Date Analyzed 09/23/97 <br /> ' Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline*,t,Nith Ifethyl tert-Butyl Ether* &BTEX* <br /> EPA methods 5030,modified 8015,and 8020 or 602 Califoniia RV1'QCB(SF Bav Region)method GC FID(o030) <br /> ' <br /> Lab ID Client ID Matrix TPH(g)` MEthylben- %Recovery <br /> zene TBE Benzene Toluene Xylenes Surrogate <br /> 81027 A-Pre Cat Air 2600,1 --- ND<1 5 16 13 80 105 <br /> ' 81028 B-Post Cat Air 82,1 - ND ND ND ND 105 <br /> 8020 BTEX values are higher than 8260 values due to peak coelunon <br /> 1 <br /> t <br /> f <br /> ' Reporting Limit unless Air 50 ug/L 5 0 03 0 5 0 5 0 5 <br /> otherwise stated ND <br /> means not detected above <br /> ' the 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,wipe samples in Lig/"IPC soil and sludge saniplcs in mg/l g and all TCLP and SPLP extracts <br /> III ug/L <br /> ' R cluttered chromatogram,sample peak coelutes with surrogate peak <br /> *The following descriptions of the TPH chromatogram are corsoiy ni nature and h1cCampbell Analytical is not responsible for their <br /> ' interpretation a) unmodified or weakly modified gasoline is significant b) heaxier gasoline iange compounds are significant(aged <br /> gasoline'?) c) lighter gasoline range compounds (the most mobile ii action) me significant d) gasoline range compounds ba"Ing broad <br /> chromatographic peaks are significant,biologically altered gasoline' e)TPH patter that does not appear to be derived from gasoline(9),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 A of %s ent )no recognizable pattern <br /> h <br /> DHS Certification No 1644 Edwaid Hamilton, Lab Director <br /> 1 <br />