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110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> 4 McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> http l/www mccampbell cam E-mail main@mccampbell corn <br /> ' Advanced GeoEnvironmental Client Project ID Chapin Bros Date Sampled 06/29/99 <br /> 4005 North Wilson Way Date Received 06/30/99 <br /> ' Stockton,CA 95205 Client Contact Bill Little Date Extracted 07102-07106/99 <br /> ' Client P O Date Analyzed 07102-07106199 <br /> Gasoline Range(C6-C12) Volatile Hydrocarbons as Gasoline*,ntth Methyl Cert-Butyl Ether* & BTEX* <br /> EPA methods 5034,modified 8015,and 8020 or 602,California RWQCB(SF Bay Region)method GCFID(5030) <br /> Lab ID Client ID Matrix TPH(g)' MTBE Benzene Toluene %Recovery <br /> zene Ethylben- Xylenes Surro¢ate <br /> 14715 MW-5 W 800,1 ND 1 9 39 3 1 59 95 <br />' 14716 MW-3 W 4600,a ND<10 76 85 220 200 99 <br /> 14717 MW-4 W 4000,a ND<10 740 450 55 480 103 <br /> r14718 MW-1 W 410,a ND<10 59 18 2 1 16 101 <br /> 14719 V£-1 W 1 100,a ND<10 92 33 16 29 <br /> 1 <br /> 1 Reporting Limit unless W 50 ug/L 50 05 05 05 05 <br /> otherwise stated,ND <br /> 1 means not detected abo.e <br /> the reporting limit S 1 0 mg/kg 005 0 005 0 005 0 005 000 5 <br /> water and vapor samples are reported in ug/L wipe samples in ug/wipe,soil and sludge samples in mgAg and all TCLP and SPLP extracts <br /> in ug/L <br /> "cluttered chromatogram,sample peak coelutes with surrogate peak <br /> 'The following descnptions of the TPH chromatogram are cursory in nature and McCampbell Anal}tical is not responsible for their <br />' interpretation a) unmodified or weakly modified gasoline is significant b) heavier gasoline range compounds are significant(aged <br /> gasohne7), 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',e)TPH pattern that does not appear to be dcrived from gasoline(9) t) <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—516o) OX,sediment j)no recognizable pattern <br /> I <br /> DHS Certification No I644 t S Edv and Hamilton,Lab Director " <br />