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' 110 Second Avenue South,##137,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br />' hiM://www mccampbell.gom E-mail main@mccampbeIl coin <br />' Advanced GeoEnvironmental Client Protect ID Chase-Van Buren Date Sampled 11/04/98 <br /> 4005 North Wilson Way Date Received 11/06/98 <br />' Stockton,CA 95205 Client Contact Kevin McKibben Date Extracted 11/06-11/09/98 <br /> [Client P O Date Analyzed 11/06-11/10/98 <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 />' <br /> Lab ID Client ID Matrix TPH(g) Ethylben- %Recovery <br /> zene MTBE Benzene Toluene Xylenes Surrogate <br /> 98253 MW-3/11-4-98 W 190,000,a ND<300 14,000 58,000 4900 27,000 95 <br />' 98254 MW-6 W 1600,a ND 88 062 160 170 96 <br /> 11-4-98 <br /> 98255 MW-7/ W 4000,a ND<10 160 56 270 650 100 <br /> 11-4-98 <br />' 98256 MW-9/ W 22,000,a ND<50 750 1700 1800 5700 92 <br /> 11-4-98 <br /> 98257 MW-10/ W ND ND ND ND ND ND 103 <br />' 11-4-98 <br /> 98258 MW-14/ W ND ND ND ND ND ND 93 <br /> 11-4-98 <br /> 98254 MW-151 W ND ND ND ND ND ND 91 <br /> lie <br /> 11-4-98 <br /> 98260 MW-16/ W ND ND ND ND ND ND 93 <br /> 11-4-98 <br />' 98261 MW-17/ W ND ND ND ND ND ND 93 <br /> 11-4-98 <br /> I <br />' Reporting Limit unless W 50 ug/L 5 0 05 05 05 05 <br /> otherwise stated,ND <br /> means not detected above <br /> the reporting limit $ g S 1 0 mg/kg 005 0 005 0 005 0 005 0 005 <br /> I <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 /> m ug/L <br /> "cluttered chromatogram,sample peak coelutes with surrogate peak <br /> `The following descriptions of the TPH chromatogram are cursory in nature and McCampbell Analytical is not responsible for the+r <br />' interpretation a) unmodified or weakly modified gasoline is significant, b) heavier gasoline range compounds are significant(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),e)TPH pattern that does not appear to be derived from gasoline(?),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 vol %sediment,j)no recognizable pattern <br /> DHS Certification No 1644 /%/ Edward Hamilton,Lab Director <br /> I <br />