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210 2nd Avenue South,#D7,Pacheco,CA 94553 <br /> McCAMP$ELL ANALYTICAL INC. Tek:510-798-1620 FaL 510-798-1671 <br /> (Advanced GeoEnvimn octal,Inc. Client Project ID:Weldon Date Sampled:04/14/97 <br /> 1803 West March Lane,Suite A Date Received-04/16/97 <br /> Stockton,CA 95207 Clitnt Contact:Bill Little Date Extracted:04/16/97 <br /> Client P.O: Date Analyzed:04/16/97 <br /> Gasoline Range(C6-Cl2)Volatile Hy&mcarbons as Gasoline*.vAtb Met"tett-Butyl Ether*&STEX* <br /> EPA Method X) modified it015 and W SP Ba Re ' method G <br /> Lab ID Client ID Matrix TPH(g)r MTBZ Benzene Toluene Bthyy%= Xylenes �,S%Rec. <br /> e <br /> 75571 B5-6' S ND ND ND ND ND ND 99 <br /> 75572 85-7' S ND ND ND ND ND ND 107 <br /> 75573 86-5' S ND ND ND ND ND ND 99 <br /> i <br /> 75574 B6-7' S ND ND ND ND ND ND 102 <br /> 75575 B6-12' S ND ND ND 1, ND ND ND 96 <br /> 75576 B6-20' S ND ND ND ND ND ND 98 <br /> I <br /> I <br /> f l <br /> Reporting Limit unless W 50gg/L 5.0 0.5 0.5 0.5 0.5 <br /> otherwise suued;ND <br /> meats not detected <br /> above the reportnig limit S 1Atopig 0.05 0.005 I 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 /> N clattered 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 /> responsbte for their iaterpzetatioa:a unnwdified or weakly modified gasoline is ""gpi b)heavier Holme I <br /> range compounds are zi r aut(age gasoline?);c)li�ter soline range compoun sd (tthhe most mobile ffaction) <br /> are sy��ant;d)gasoline range compounds having browchromatographic peaks are significant;biological <br /> cher t gasoline?;e)TPH pattern that does not appear to be derived brom gasoline(?);f)one to a kw isolatod <br /> peakspresent-,�)strong)y aged gasoline or diesel range compounds are significant;h)lighter than water immiscible <br /> !been a present;i)liquid sample that contains greater than_S vol.%sediment;j)no recognizable pattorn. <br /> DHS Certification No. 1644 Edward Hamilton,Lab Director <br /> \�. NOW <br /> Z 'd 0OL0 996 60Z ON 30V H0dJ WVZS:B L66l—BZ—V <br />