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110 2nd Avenue South 4D7 Pacheco CA 94553-5560 <br /> ® Mr-CAMPBELL ANALYTICAL INC. Telephone:925-798-1620 Fax : 925-798-1622 <br />' ht :/lwww.mccam bell.com E-mail:main@mccampbell.com <br /> Advanced GeoEnvironmental Client Project ID: MBP-Manteca Date Sampled: 10/12/00 <br /> 4005 North Wilson Way Date Received: 10/14/00 <br /> Stockton, CA 95205 Client Contact:Bill Little Date Extracted: 10/14-10116100 <br /> ' <br /> L <br /> t P.O: Date Analyzed: 10/14-10/16/00 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline*,with Methyl tert-Butyl Ether* &BTEX* <br /> FPA 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 8tltylben- Xylenes <br /> zene %Recovery <br /> Surrogate <br /> 50366 B7 H2O W NDJ ND ND ND ND ND 92 <br /> ' 50367 B8 H2O W NDJ 30 ND ND ND ND 94 <br /> I <br /> 50368 B9 H2O W NDJ ND ND ND ND ND 106 <br /> ' 50369 B7-30 S ND ND ND ND ND ND 90 <br /> ' 50370 B7-40 S ND ND ND ND ND ND 95 <br /> i <br /> 50371 137-45 S ND ND ND ND ND ND 98 <br /> 50372 B7-50 S ND ND ND ND ND 0.014 98 <br /> 50373 B8-30 S ND 0.062 ND ND ND ND 112 <br /> ' 50374 B8-40 S ND ND ND ND ND ND 105 <br /> 50375 138-45 S ND ND ND ND ND ND 98 <br /> 50376 B8-50 S ND ND ND ND ND ND 103 <br /> 50377 B9-30 S ND ND ND ND ND ND 101 <br /> 50378 B9-45 S ND ND ND ND ND ND 103 <br /> I <br /> 50379 89-40 S ND ND ND ND ND ND 98 <br /> Reporting Limit unless }h7 50 ug/L 5.0 0.5 0.5 0.5 0.5 � <br /> otherwise stated;ND <br /> i <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 /> "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 /> I <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(?);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;i)no recognizable pattern. <br /> i <br /> I <br /> DHS Certification No. 1644 l/ Edward Hamilton, Lab Director <br /> 1 <br />