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I 10 Second Avenue South #D7,Pacheco,CA 94553 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> ' http//www mcc impbell corn E-mail main@mccampbell corn <br /> r�L <br /> • <br /> ' Advanced GeoEnvironmental Client Project ID Chapin Bros Inc Date Sampled 04/01/98 <br /> 4005 North Wilson Way Date Received 04/03/98 <br /> ' Stockton,CA 95205 Client Contact Bill Little Date Extracted 04/03/98 <br /> I <br /> Client P 0 i Date Analyzed 04/03/98 <br /> Gasoline Range(C6-02)Volatile Hydrocarbons as Gasohne*,«tth Methyl tert-Butyl Ether* &BTEX* <br /> EPA methods 5030,modified 8015,and 8020 or 602,California RWQCB(SF Bay Region)nudiod Cr(}'10(5030) <br /> ' luenEthylben- %Recovery <br /> zene <br /> Lab ID Client ID Matrix TPH(g); MTBE Benzene Toe Xylenes Surrogate <br /> 87747 MW7-15 S ND --- ND ND ND ND 97 <br /> ' 87748 MW7-20 S ND --- ND ND ND ND 99 <br /> 87749 MW7-25 S ND --- ND ND ND ND 102 <br /> li <br /> 1 <br /> 1 <br /> 1 Reporting Limit unless Air 50 ug/L 5 0 ll 5 U 5 05 05 <br /> otherwise stated ND <br /> means not detected above <br /> ' the reporting limit S 1 0 mg/kg 0 05 0 005 000-,) 0 005 0 005 <br /> '�sater and vapor samples are reported in ug/L,wipe samples in ug/%N ipe coil and sludge s imples in mgll,g and all TCLP and SPLP extracts <br /> in ug/L <br /> "cluttered chromatogram,sample peak coelutes with surrogate peal, <br /> 'The following descriptions of the TPH chromatogram are cursory in natusc and MC(anlphLll Analytical is not responsible for their <br /> interpretation a) unmodified or weakly modified gasoline is significant b) hLJ%1Cr gasoline range compounds aresigniftcani(aged <br /> gasoline'), c) lighter gasoline range compounds (the most mobile traction) aie significant d) gasoline range compounds having broad <br /> chromatographic peaks are significant,biologically altered gasoline" e)TPH pattern that doLs not appear m he derived from gasohne(") 1) <br /> one to a few isolated peaks present,g)strongly aged gasoline or diesel range conipnunds uL agnificant h)lighter than nater immiscible <br /> sheen is present i)liquid sample that contains greater than—5 vot '%sedimLnt 1)no reLognizahle pattem <br /> DHS Certification No 1644 �Edwaid Hamilton,Lab Director <br />