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110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> MCCampbell Analytical hic. Telephone:925-798-1620 Fax:925-798-1622 <br /> http://www.nweamphell.com E-mail:main@mccampbell.com <br /> Advanced GeoEnviromnental Client Project ID: Strong Property Date Sampled: 03/25/02 <br /> 837 Shaw Road Daae Received: 03/27/02 <br /> 1 Client Contact: Brian Millman Date Extracted: 03/28/02-03/30/02 <br /> Stockton, CA 95215 <br /> Client P.O.: Date Analyzed: 03/28/02-03/30/02 <br /> 1 Gasoline Range(C&C12)Volatile Hydrocarbons as Gasoline with MTBE and BTEX* <br /> E,t,ma.,ion method: SW50308 Analytical methods: SW8021B/8015Cm Work Order.0203474 <br /> 1 Lab ID Client ID Matrix TPH(g) MTBE Benzene Toluene Ethylbenzene Xylenes DF %SS <br /> 001B DW51571032502 W ND ND ND ND ND ND 1 108 <br /> 002E MW 1/032502 W ND ND ND ND ND ND 1 105 <br /> 0038 MW2/032502 W ND ND 0.79 ND 0.62 ND 1 107 <br /> 1 0048 MW3/032502 W ND ND ND ND ND ND 1 106 <br /> 005B MW4/032502 W ND ND ND ND ND ND 1 105 <br /> 1 006E MW5/032502 W 210,a ND 13 1.9 3.7 2.2 1 120 <br /> 007B MW6/032502 W ND ND ND ND ND ND 1 104 <br /> 1 ' <br /> 1i <br /> I <br /> I <br /> 1 <br /> Reporting Limit for DF=1; W 50 5 0.5 0.5 0.5 0.5 ug/L <br /> ND means not detected at or <br /> above the reporting limit S 1 0.05 0.005 0.005 1 0.005 0.005 mg/Kg <br /> *water and vapor samples are reported in ug/L,soil and sludge samples in mg/kg,wipe samples in ug/wipe,and TCLP extracts in ug/L. <br /> 1 DF=dilution factor. <br /> #cluttered chromatogram;sample peak coelutes with surrogate peak. <br /> 1 +The following descriptions of the TPH chromatogram are cursory in nature and McCampbell Analytical is not responsible for their interpretation:a) <br /> unmodified or weakly modified gasoline is significant;b)heavier gasoline range compounds are significant(aged gasoline?);c)lighter gasoline range <br /> compounds(the most mobile fraction)are significant;d)gasoline range compounds having broad chromatographic peaks are significant;biologically <br /> altered gasoline?;e)TPH pattern that does not appear to be derived from gasoline(stoddard solvent);0 one to a few isolated non-target peaks present; <br /> 1 g)strongly aged gasoline or diesel range compounds are significant;h)lighter than water immiscible sheen/product is present;i)liquid sample that <br /> contains greater than—2 vol.%sediment;j)no recognizable pattern. <br /> DHS Certification No. 1644 Edward Hamilton,Lab Direct <br /> 1 <br /> I <br />