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I <br /> i <br /> 110 2nd Avenue South,#137,Pacheco,CA 94553 <br /> McCAMPBELL ANALYTICAL INC Tele 510-798-1620 Fax 510-798-1622 <br /> Environmental Science&Eng,Inc Client Project ID #6925400,Cecchmt Date Sampled 06/20/96 <br /> 4090 Nelson Avenue,Suite J Date Received 06/21/96 <br /> Concord,CA 94520 Client Contact Dave Blunt Date Extracted 06/21/96 <br /> Client P O #SMSA-C-021 Date Analyzed 06/21/96 <br /> Gasoline Range(C6-M)Volatile Hydrocarbons as Gasoline*,vhth BT19X* <br /> EPA methods 5030 modified 11015 and>;020 or 602 California RW CB SF Ba Re on mcthod GCFID(503Q <br /> Lab ID Client ID Matrix TPH(g)+ Benzene Toluene Ethyl e n Xylenes Surrogate <br /> 66191 <br /> g <br /> 66191 UST-2 W ND ND ND ND ND 103 <br /> 66192 UST-3 W ND ND ND ND ND 102 <br /> 66193 UST-4 W ND ND ND ND ND 101 <br /> 66194 UST-5 W 180,a,i 88 17 34 10 101 <br /> 66195 Dup W 170,a,i 90 17 35 10 101 <br /> 66204 Trip W ND ND ND ND ND 100 <br /> Reporting Limit unless other- W 50 ug/L 05 03 05 05 <br /> wise stated,ND means not de- <br /> tected above the reporting limit S 10 mg/kg 0 005 0 005 0 005 0 005 <br /> °water and vapor samples are reported in ug/L,soil and sludge samples in mg/kg,and all TCLP extracts in mg/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 <br /> responsible for their interpretation a)unmodified or weakly modified gasoline is significant;b)heavier gasoline <br /> range compounds are significant(aged gasoline?),c)lighter gasoline range compounds(the most mobile fraction) <br /> are significant,d} so ine range compounds havuig broad chromato aphic peaks are significant,biologically <br /> altered gasoline?,e�TPH pattern that does not appear to be derived om gasoline(7),f)one to a few isolated <br /> peaks present,g)stronglyaged gasoline or diesel ran compounds are significant,h)lighter than water immiscible <br /> sheen is present,i) liquid sample that contains greater than- 5 vol % sediment, )no recognizable pattern <br /> DHS Certification No 1644 Edward Hamilton,Lab Director <br />