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1 , <br /> 110 2nd Avenue South, #D7,Pacheco,CA 94553 <br /> McCAMPBELL ANALYTICAL INC. T Tele:510-798-1620 Fax:510-798-1622 <br />' Advanced GeoEnvironmental, Inc. Client Project ID:Geweke Date Sampled: 06/19/96 <br /> 1803 West March Lane, Suite A Date Received:06/21/96 <br />' Stockton,CA 95207 Client Contact: Kevin McKibben Date Extracted:06121-06124196 <br /> Client P.O: Date Analyzed: 06121-06124196 <br />' Gasoline Range(C6-C12) Volatile Hydrocarbons as Gasoline*,with BTEX* <br /> EPA methods 5030.modified 8015.and 8020 or 602•California RW CS SF Ba Re ion method GCFID 5430 <br /> Lab ID Client ID Matrix TPH(g)+ Benzene Toluene Ethylben- Xylenes % Rec. <br />' zene Surrogate <br /> 66164 MW-6/6-19-96 W ND ND ND ND ND 102 <br />' 66165 MW-716-19-96 W 60,d ND ND ND ND 97 <br /> 66166 MW-8/6-19-96 W 1800,a 9.1 2.1 51 80 102 <br />' 66167 MW-916-19-96 W I1,OOO,b,d 45 4.2 430 380 112# <br /> 66168 MW-I0/6-19-96 W ND ND ND ND ND 103 <br />' 66169 MW-1116-19-96 W 130,d ND ND ND ND 98 <br /> 66170 MW-12/6-19-96 W ND ND ND ND ND 102 <br /> 66171 MW-1316-19-96 W ND ND ND ND ND 103 <br /> 66172 MW-1416-19-96 W 3800,a 22 79 12 410 103 <br /> 66173 EW-116-19-96 W ND ND ND ND 1.2 98 <br /> I <br /> Reporting Limit unless other- W 50 uglL 0.5 0.5 0.5 0.5 <br /> wise stated;ND means not de- <br /> tected above the reporting limit S 1.0 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) gasoline range compounds having Troad chromatographic peaks are significant; biologicaft <br /> altered gasoline?;e) TPH pattern that does not appear to be derived from gasoline (?);f) one to a few isolated <br /> peaks present;g)strongIgged 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;j) no recognizable pattern. <br />' DHS Certification No. 1644 l/V Edward Hamilton,Lab Director <br /> I <br />