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' 110 2nd Avenue South,##137,Pacheco,CA 94553-5560 <br /> McCampbell Analytical Inc. Telephone:925-798-1620 Fax:925-798-1622 <br /> http://www.mcrampbcll.co7n E-mail:main@-ccampbell.com <br /> Advanced GeoEnvironmental,Inc Client Project ID: Weldon Church Date Sampled: 09/24/02 <br /> 837 Shaw Road Property Date Received: 09/25/02 <br /> Client Contact: Paul Dotson Date Extracted: 09/27/02-09/29102 <br /> Stockton, CA 95215 <br /> [Client P.O.: Date Analyzed: 09/27/02-09/29/02 <br />' Gasoline Range(C&C12)Volatile Hydrocarbons as Gasoline with BTEX and MTBE* <br /> Extraction method: SW503013 Analytical methods: SW8021B/8015Cm Work Order. 0209391 <br />' Lab ID Client ID Matrix TPH(g) MTBE E5;nzene Toluene Ethylbenzene Xylenes DF %SS <br /> 001A MWi/092402 W 570,a ND<10 150 7.0 4.2 13 1 116 <br />' 002A MW2/092402 W ND ND ND ND ND ND 1 98.8 <br /> 003A MW3/092402 W ND ND ND ND ND ND 1 102 <br />' 004A MW4/092402 W 1600,a ND<25 45 9.6 130 28 5 --- <br /> 005A MW5/092402 W ND ND ND ND ND ND 1 103 <br />' 006A MW6U/092402 W ND ND ND ND ND ND 1 99.7 <br /> 007A MW6L/092402 W ND ND ND ND ND ND 1 101 <br />' 008A MW7/092402 W ND,i ND ND ND ND ND 1 I 102 <br /> I <br /> I • <br /> E <br /> s <br /> I <br /> 1 <br /> I <br /> I <br /> Reporting Limit for DF=1; `7t7 50 5.0 0.5 0.5 0.5 0.5 1 <br /> ND means not detected at or <br />' above the reporting limit S NA NA NA NA NA NA I i mg/Kg <br /> "water and vapor samples are reported in ug/L,soil and sludge samples in mg/kg,wipe samples in ug/wipe,product/oil/non-aqueous liquid samples in <br /> mg/L,and TCLP extracts in ug/L. <br />' #cluttered chromatogram;sample peak coclutes 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 signif cant(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; <br /> 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)reporting limit raised due to high MTBE content;k)TPH pattern that does not appear to be derived from <br />' gasoline(aviation gas).m)no recognizable pattern. <br /> • DHS Certification No. 1644 , 1 y Edward Hamilton,Lab Director <br /> 1 <br />