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r <br /> I110 2nd Avenue South,#137,Pacheco,CA 94553-5560 <br /> F4 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> http//www mccampbell corn E-mail mam@mccampbell cora <br /> Advanced GeoEnvironrnental Client Project ID Flange Liquor Date Sampled 09/28/01 <br /> 837 Shaw Road Date Received 10/02/01 <br /> Stockton,CA 95215 Client Contact Calvm Lee Date Extracted 10104-10108101 <br /> Client P O Date Analyzed 10/04-10/08/01 <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 GCFID(5030) <br /> Lab ID Client ID Matrix TPH(g)+ MTBE Benzene Toluene Ethyl Xylenes %Recovery <br /> benzene Surrogate <br /> 79939 MWI/ W 58,c ND 0 58 ND ND ND III <br /> 092801 <br /> 79940 M W2/ W 140,a 880 28 096 21 52 105 <br /> I 092801 <br /> 79941 MW3/ W 86,a 26 1 1 094 ND 0 63 116 <br /> 092801 <br />' Reporting Limit unless W 50 ug/L 50 05 05 05 0 5 <br /> otherwise stated ND <br /> means not detected above <br /> the reporting omit S 1 0 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 McCampbell Analytical is not responsible for their <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("),0 <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,l)no recognizable pattern <br />' DHS Certification No 1644 __�Edward Hamilton,Lab Director <br />