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110 2nd Avenue South,#137,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> h"//www mccampbell com E-mail main@mccampbell com <br /> 1 <br /> Advanced GeoEnvironmental Client Project ID Local Food Store Date Sampled 06/07/00 <br /> 4005 North Wilson Way Date Received 06/08/00 <br /> Stockton,CA 95205 Client Contact Bill Little Date Extracted 06/08-06/09/00 <br /> Client P O Date Analyzed 06/08-06109/00 <br /> ' Gasoline Range(C&C12)Volatile Hydrocarbons as Gasoline*,with Methyl tent-Butyl Ether*&BTEX* <br /> EPA methods 5030,modified 8015,and 8020 or 602,California RWQCB(SF Bay Region)method GCF1D(5030) <br /> Lab ID Client ID Matrix TPH(g)+ MTBE Benzene Toluene Ethylben- Xylenes 0 Recovery <br /> zene Surrogate <br /> a7-0o <br /> 39847 MW- 06- W ND 12 ND ND ND ND 93 <br /> ' 39848 MW-2106- W ND 890 15 ND ND ND 93 <br /> 07-00 <br /> 39849 MW-3106- W ND TD ND ND ND ND 90 <br /> 07-00 <br /> its <br /> t <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 1 0 mg/kg 0 05 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 /> in uglL <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 vicakly modified gasoline is significant, b) heavier gasoline range compounds are sigmficant(aged <br /> gasoline"), c) lighter gasoline range compounds (the most mobile fraction) are significant d) gasoline range compounds ha,,ing broad <br /> chromatographic peal,,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 w ater immiscible <br /> sheen is present it liquid sample that contains greater than—5 N of %sediment 1)no recognizable pattem <br /> DHS Certification No 1644 Edward Hamilton, Lab Director <br />