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al <br /> 110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> E4A <br /> MCCAMPBELL ANALYTICAL INC Telephone 925-798-I620 Fax 925-798-1622 <br /> http//www mccampbell corn E-mail mam@mccampbell com <br /> Ground Zero Analysts,Inc Client Project ID #256,Gabbard Date Sampled 10/25-10/27199 <br /> 1714 Main Street Date Received 10/29/99 <br /> Escalon,CA 95320 Client Contact John Lane Date Extracted 10/29/99 <br /> Client P O Date Analyzed 10/30-11/03/99 <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 GCFID(5030) <br /> Lab ID Client ID Matrix TPH(g)+ MTBE Benzene Toluene Ethylben Xylenes %Recovery <br /> -zene Surrogate <br /> 24354 S 4- S ND --- ND ND ND ND 94 <br /> GAB <br /> 24355 SB4 31 S ND --- ND ND ND ND 103 <br /> 24356 SB4 GW 26 W ND --- ND ND ND ND 102 <br /> 24359 SBS-ABO S ND --- ND ND ND ND 98 <br /> 24360 SB5 31 S ND --- ND ND ND ND 100 <br /> 24361 GAB SB5 W 340,a --- 78 13 I3 19 99 <br /> 6W-26 <br /> 24363 $S615 S ND --- ND ND ND ND 98 <br /> 24364 SB6 20 S 1100,gd --- ND<O 02 ND<O 02 3 7 ND<O 02 103 <br /> 24365 GAB31 S ND --- ND ND ND ND 96 <br /> 24366 SB G B W ND --- ND ND ND ND 103 <br /> 24370 SBA B0 S ND --- ND ND ND ND 96 <br /> 24371 SBABi S ND --- ND ND ND ND 102 <br /> 24372 SB7GB W ND --- ND 16 ND ND 102 <br /> 24375 5 8 B0 S ND --- ND ND ND ND 106 <br /> Reporting Limit unless W 50 ug/L 50 05 0 5 0 5 0 5 <br /> otherwise stated,ND <br /> means not detected above <br /> the reporting limit S mfg 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 /> gasolme9), 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(?),f) <br /> Lone to a few isolated peaks present,g)strongly aged gasolme or diesl range compounds are significant,h)lighter than water immiscible <br />. sheen is present,i)liquid sample that contains greater than�5 vol %_sediment,�)no recognizable patter <br /> DHS Certification No 1644 s Edward Hamilton, Lab Director <br />