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110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC. Telephone:925-798-1620 Fax:925-798-1622 <br /> http://www.mccarnpbell.com E-mail:main@mccampbell.com <br /> Upgradient Environmental Client Project ID: #99027.2; Stockton Date Sampled:08/24/99 <br /> 336 Augusta Court Germinal&Eastern Railroad Date Received: 08/25/99 <br /> Valley Springs.CA 95252 Client Contact: Vic Cherven Date Extracted:08/25/99 <br /> Client P.O: Date Analyzed: 08125-08/26/99 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline*,with Methyl tent-Butyl Ether*& BTEX* <br /> EPA methods 5030.modified 8015_and 8020 or 602;California RW CB SF Ba Reaion)method GCFID(5030 <br /> Lab ID Client ID Matrix TPH(g)- MTBE Benzene Toluene Ethen en- Xylenes %Recovery <br /> ze Sutro2ate <br /> 17885 BI-15' S --- ND<I ND<0.050 ND<0.090 0.89 1.98 92 <br /> 17886 B1-20' S --- ND<1 ND<0.050 ND<0.050 ND<0.050 0.99 91 <br /> 17887 B1-25' S --- ND ND ND ND ND 96 <br /> 17888 BI-30' S I --- ND ND ND ND ND 99 <br /> 17890 B 1-30' S --- ND ND ND ND ND 96 <br /> 17892 B2-15' S --- ND ND ND ND ND 97 <br /> 17893 B2-20' S --- ND ND ND ND ND 96 <br /> 17895 B2-30' S ND ND ND ND ND 96 <br /> 17899 B4-15' S --- ND ND ND ND ND 99 <br /> 17900 B4-20' S --- ND ND ND ND ND 103 <br /> 17902 334-30' S --- ND ND ND ND ND 94 <br /> 17904 B5-15' S --- ND ND ND ND ND 96 <br /> 17905 135-20' S - - ND ND ND ND ND 101 <br /> 17907 B5-30' S --- ND ND ND ND ND J. 97 <br /> Reporting Limit unless W 50 ug/L 5.0 0.5 0.5 0.5 0.5 <br /> otherwise stated;ND <br /> means not detected <br /> above the reporting S 1.0 mgtltg 0.05 0.005 0.005 0.005 0.005 <br /> limit <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 peal: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 /> 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 gasoline?;c)TPH pattern that does not appear to be derived from gasoline(?);f) <br /> one to a few isolated peaks present;g)strongly aged 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: no recognizable pattern. <br /> DHS Certification No. 1644 �Edward Hamilton,Lab Director <br />