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1 r0 2na Avenue South,t#D7,Pacheco,CA 94553-5560 <br /> McCAMP_BELL ANALYTICAL INC Teiephone 925-798-1620 Fax 925-798-1622 <br />' Z4 http//www mecampbell corn E-mail main@mccampbell corn <br />' Advanced GeoEnvironmental Client Project ID West Clay Date Sampled 02/27/2002 <br /> 837 Shaw Road Date Received 02/28/2002 <br />' Stockton, CA 95215 Client Contact Paul Dotson Date Extracted 02/28-03/05/2002 <br /> Client P O Date Analyzed 02/28-03/05/2002 <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 GCFID(5030) <br />' Lab ID Client M Matrix TPH(g)+ MTBE Benzene Toluene Ethyl- Xylenes %Recovery <br /> benzene Surrogate <br /> -01$4 15 022770202 <br /> 02 MWW ND ND ND ND ND ND 101 <br /> -0 <br />' <br /> 0202184 i fW 022702 I / W ND 22 052 13 ND I 23 100 <br /> i <br /> 0202184 MW13A/ =D 18 ND I ND ND ND 104 <br />' -017 022702 i <br /> 0202184 MW13B/ I W ND 31 ND 11 ND 13 ( 106 <br /> -018 022702 <br /> 0202184 EWI/ W 39,000,a 350 1300 5400 1800 6700 100 <br />' -019 022702 <br /> 0202184 EW2/ W 92,a ND 28 095 33 3 7 100 <br /> -020 022702 <br /> --7 <br /> I <br /> I <br />' Reporting Limit unless W 50 ug/L 50 05 05 05 05 <br /> otherwise stated,ND <br /> means not detected above <br /> ithe reporting htnrt S 10 mg/kg 00 5 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 SPLP extracts <br /> in ug/L <br /> iA cluttered chromatogram,sample peak coelutes with surrogate peak <br /> 'The following descriptions of the TPH chromatogram are cursory in nature and McCarnpbelI Analytical is not responsible for their <br /> i interpretation a) unmodified or weakly momfied gasoline is significant, b) heavier gasoline range compounds are signrftcant(ag,d <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 aitered gasohiiO e)TPH pattern that does not appear to be derived tram gasoline(7),f) <br /> one to a few isolated peaks present,g)strongly aged gasoline or diescl range compounds are significant, h)lighter than water m miscible <br /> sheen is present,t)liquid sample that contains greater than—5 vol %sediment,l)no recognizable pattern <br /> i <br /> DHS Certification No 1644 Edward Hamilton,Lab Director <br /> i � , <br />