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7V <br /> 110 2nd Ave South,#D7,Pacheco,CA 94553-5560 <br /> MICA PBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> hitp//www mcgmpbell cQm E-mail mam@mccampbell cam <br /> Ground Zero Analysis, Inc Client Project ID #256, Gabbard Date Sampled 0(/20/9Z9/20/99 <br /> 1714 Main Street Date Received 01/21/99 <br /> Escalon, CA 95320 Client Contact John Lane Date Extracted 01/21/99 <br /> Chent P O Date Analyzed 01/21-01/22/99 <br /> Gasoline Range(C&C12)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 GCMD(5030) <br /> Lab ID Client ID Matrix TPH(g)+ MTBE Benzene Toluene Ethylben Xylenes %Recovery <br /> 02118 GASB I-16 S 2 3,e --- ND ND ND ND 99 <br /> 02119 GASB 1-21 S 1800,e --- ND<0 1 ND<O 1 40 ND<O 1 101 <br /> 02121 GASB1-30 S ND --- ND ND ND ND 105 <br /> 02122 GASB2-10 S ND --- ND ND ND ND 106 <br /> 02123 GASB2-21 S ND --- ND ND ND ND 103 <br /> 02124 GASB2-31 S ND --- ND ND ND ND 104 <br /> 02125 GASB3-6 S 53,b --- 0 087 1 l 057 40 99 <br /> 02126 GASB3-21 S 680,a --- 46 33 11 61 109 <br /> 02127 GASB3-31 S 490,g --- ND<O 08 030 1 1 ND<O 08 104 <br /> 02128 31GW <br /> GASB3- W) 4500,a,h --- 170 520 95 520 101 <br /> 02129 GASB3-36 S ND --- ND ND ND ND 101 <br /> 02129A GASBI-26 S% IO,e --- ND ND ND ND 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 mg/kg._S 1 0 m /k 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 descnptions 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 signiftcant(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 <br /> (stoddard solvent)), 0 one to a few isolated peaks present g)strongly aged gasoline or diesel range compounds are significant, h)lighter <br /> than water immiscible sheen is present i)liquid sample that contains greater than—5 vol %sediment 1)no recognizable pattern <br /> DHS Certification No 1644 Edward Hamilton, Lab Director <br />