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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:!lwww.mcc bell.com E-mail:main(a� c bell.com <br /> Advanced GeoEnvironmental, Inc. CIient Project ID: Former Curtiss Pontiac- Date Sampled: 10/31/02 <br /> Buick <br /> 837 Shaw Road Date Received: 11/01/02 <br /> Stockton,CA 95215 Client Contact: Paul Dotson Date Extracted: 11103/02-11/05/02 <br /> [Client7P_O.: Date Analyzed: 11103/02-11/05/02 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline with BTEX and MTBE* <br /> Extraction method: SW5030B Analytical methods: SW8021B/8015Cm Work Order: 0211024 <br />' Lab ID Client M Matrix TPH g) MTBE Benzene Toluene Ethylbenzene Xylenes DF %SS <br /> 001A MW-6 W ND ND ND ND ND ND 1 106 <br />' 002A DW-1 W ND ND ND ND- ND ND 1 103 <br /> 1 <br /> 1 <br /> lie <br /> I <br /> Reporting Limit for DF—1; W 50 5.0 0.5' 0.5 0.5 0.5 1 11 g/L 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 in ug/L,soil and sludge samples in mglkg,wipe samples in uglwipe,productloit/non-aqueous liquid samples in <br /> mgIL,and TCLP extracts in ug/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 /> I 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 /> I 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 o. Edward Hamilton, Lab Director <br /> I <br />