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1' <br /> 110 Second Avenue South,#137,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> ' E-mail main@mccampbell com <br /> a <br /> Advanced GeoEnvironmental Client Protect ID #0105,Chapin Date Sampled 09/30/98 <br /> 4005 North Wilson Way Brothers Date Received 10/03/98 <br /> Stockton,CA 95205 Client Contact Bill Little Date Extracted 10/05/98 <br /> Client P O Date Analyzed 10/05/98 <br /> Gasoline Range(C6-02)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 GCFM(5030) <br /> Lab ID Client ID Matrix TPH(g)+ MTBE Benzene Toluene Ezeben Xylenes %RevrynRecovery <br /> 96322 MW-1/ W 1200,a 20 67 14 19 200 115 <br /> 9-30-98 <br /> ' 96323 MW-2/ W ND ND ND ND ND ND 95 <br /> 9-30-98 <br /> 96324 MW-3/ W 7000,a NDc20 150 45 390 390 96 <br /> ' 9-30-98 <br /> 96325 MW-4/ W 21,000,a ND<50 3300 3800 320 3400 99 <br /> 9-30-98 <br /> 96326 MW-5/ W 910,b,1 ND ND 11 ND ND 96 <br /> ' 9-30-98 <br /> 96327 MW-6/ W ND ND ND ND ND ND 97 <br /> 9-30-98 <br /> 96328 MW-7/ W ND ND ND ND ND ND 96 <br /> 9-30-98 <br /> Reporting Limit unless W 50 ug/L 50 05 05 05 05 <br /> otherwise stated,ND <br /> ' means not detected above <br /> the reporting limit S 10 mg/kg 005 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 /> ' 'cluttered chromatogram,sample peak coelutes with surrogate peak <br /> 'The following descriptions of the TPH chromatogram are cursory in nature and McCan*kll Analytical is not responsible for their <br /> ' interpretation a) unmodified or weakly modified gasoline is significant, b) heavier gasoline range compounds are signi6cant(aged <br /> gasol=9), 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(7),f) <br /> ons to a few isolated peaks present,g)strongly aged gasoline or diesel range compounds are significant,h)lighter tan hwater 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 />