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' <br /> 120 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> MCCampbell Analytical Inc. Telephone:925-798-1620 Fax:925-798-1622 <br />' httP://www.r=armbell,com E-mail:TnainArriccarripbell.com <br /> Advanced GeoEnvironmental,Inc. Client Project ID:= Former Curtiss Pontiac- Date Sampled: 10/31/01 <br /> Buick <br />' $37 Shaw Road Date Received: 11/01/02 <br /> Stockton, CA 95215 Client Contact: Paul Dotson Date Extracted: 11/05102-11107/02 <br />' Client P.O.: Date Analyzed: 11/05/02-11/07/02 <br /> Gasoline Range(C6-C12) Volatile Hydrocarbons as Gasoline with BTEX and MTBE* <br /> Extraction method: SW50308 Analytical methods: SW8021B/8015Cm Work Order: 0211025 <br />' Lab ID Client ID Matrix TPH(g) MTBE Benzene Toluene Ethylbenzene Xylenes DF %SS <br /> 001A MW-IA W ND — ND ND ND ND 1 93.2 <br />' 002A MW-1B W 390,a - 1.2 ND<l ND<1 37 2 86.4 <br /> 003A MW-2A W ND --- ND ND ND ND 1 96.4 <br />' 004A MW-2B W ND ND ND ND ND l 91.4 <br /> 005A MW-3 W ND - ND ND ND ND 1 99.2 <br />' 006A MW-4 W 1200,a - 390 6.2 ND 63 1 93.4 <br /> 007A MW-5 W ND — ND ND ND ND l 97.1 <br /> I <br /> I <br /> I <br /> Reporting Limit for DF=1: W 50 5.0 0.5 0.5 0.5 0.5 1 µg/L <br /> ND means not detected at or <br /> above the reporting limit S NA NA NA NA NA NA 1 mg/Kg <br /> *water and vapor samples are reported inµ91L,soil and sludge samples in mg/kg,wipe samples in gg/wipe,and TCLP extracts in gg/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 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);f)one to a few isolated non-target peaks present;g) <br /> strongly aged gasoline or diesel range compounds are significant;h)lighter than water immiscible sheen/product is present;i)liquid sample that contains <br /> greater than--2 vol.%sediment;j)reporting limit raised due to high MTBE content;k)TPH pattern that does not appear to be derived from gasoline <br /> (aviation gas).m)no recognizable pattern. <br /> . DHS Certification Na. 1644 Edward Hamilton,Lab Director <br /> I <br />