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110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> I AJ http//wwwmccampbellcom E-mail main@mccampbell corn <br /> ' Advanced GeoEnvuonmental Cheat Project ID Van De Pol <br /> Date Sampled 07/20/01 <br /> 837 Shaw Road Date Received 07/23/01 <br /> I <br /> Stockton,CA 95215 Client Contact Tun Cuellar Date Extracted 07/23-07/25/01 <br /> Client P O Date Analyzed 07123-07/25/01 <br /> ' Gasoline Range(C6-02)Volatile Hydrocarbons as Gasohne*,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 /> 73133 P-8136-40 W ND ND ND ND ND ND 110 <br /> ' 73134 P-8164-67 W ND ND ND ND ND ND 107 <br /> 73135 P-8179-83 W ND ND 6 6 ND ND ND --" <br /> ' 73136 P-8196-99 W ND ND ND ND ND ND 100 <br /> 73137 P-8/116-120 W ND ND ND ND ND ND 100 <br /> t73138 P-9140-45 W 720,a ND 99 1 5 078 2 3 113 <br /> 73139 P-9/64-67 W ND ND ND ND ND ND 100 <br /> 73140 P-9/88-95 W ND ND ND ND ND ND 97 <br /> 73141 P-91117-120 W ND ND ND ND ND ND 105 <br /> 1 <br /> ' Reporting Limit unless W 50 ug/L 5 0 0 5 0 5 0 5 0 5 <br /> otherwise stated,ND <br /> means not detected above <br /> the reporting limit S 10 mg/kg 0 05 0 005 0 005 0 005 0 005 <br /> ' *water and vapor samples are reported in ug/L,wipe samples in uglwnpe,soil and sludge samples in mg/kg,and all TCLP and SPLP extracts <br /> in ug/L <br /> a 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 gasoline9,e)TPH pattern that does not appear to be derived from gasoline(9),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 />