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May 19 2004 3:46PM M°'`'RMPBELL ANRLYTICRL INC 92 84812 <br />0 1W <br />p.4 <br />7�� <br />Mlm Inc.10 <br />cCapbell Analytical, IIc• <br />A4 <br />2nd Avenue South, HD7, Pacheco, CA 94553-5560 <br />Telephone: 925-798-1620 Fox:925-798-1622 <br />I Website: www.mrcampbed.eom E-mail: ma' Il. cow <br />Shaw Environmental Client Project ID: San Joaquin Garage Date Sampled: 05/18/04 <br />4005 Port Chicago Hwy Date Received: 05/18/04 _ <br />Client Contact: Rob Delnagro Date Extracted: 05/18/04 <br />Concord, CA 94520 <br />Client P.O.: Date Analyzed: 05/19/04 <br />Gasoline Range (C&C12) Volatile Hydrocarbons as Gasoline with BTEX and MTBE* <br />Hxtraction method: SW5030B Analytical weiltods: SW802113/8015Cm Work Order. 0405272 <br />Lab ID Client ID Matrix TPH(g) MTBE Benzene Toluene Etbylbenzene Xylenes DF % SS <br />001A <br />UP -1 <br />S <br />ND <br />— <br />ND <br />ND <br />ND <br />ND <br />1 <br />103 <br />Reporting Limit for DP =1; W NA NA NA NA NA NA 1 ugll. <br />ND means not detected at or _. <br />above the reporting lirnit S 1.0 0.05 0.005 0.005 0.005 0.005 I rng/Kg <br />" water and vapor samples and all TCLP & SPLP extracts are reported in µg/L, soiUsludgelsolid samples in mg/kg, wipe samples in lig/wipe, <br />produet/oil/non-aqueous liquid samples 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 McCampbeli Analytical is not responsible for their interpretation: a) <br />unmodified or weakly modified gasoline is significant; b) heavier gasoline range compounds are signifiicant(aged gasoline?); c) lighter gasoline range <br />compounds (the most mobile fraction) are significant; d) gasoline range compounds hating broad chromatographic peaks are significant; biologically <br />altered gasoline?; e) TPH pattern that does not appear to be derived from gasoline (stoddard solvent / mineral spirit?); f) one to a few isolated non -target <br />peaks present; g) strongly aged gasoline or diesel range compounds are significant; h) lighter than water immiscible sheentproduct is present; i) liquid <br />sample that contains greater than —1 vol. % sediment; j) reporting limit raised due to high MTBE content; k) TPH pattem that does not appear to be <br />derived from wsoline (aviation sas). ml no recognizable nattem. <br />DHS Certification No, 1644 Angela Rydelius, Lab Manager <br />