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so <br />r <br />4;;(r_��-_' McCamvbell Analytical, Inc. <br />'9/^�' "When OualiN Covets" <br />1534 Willow Pass Road, Pittsburg, CA 94565-1701 <br />Web: www nocampbeltomin Finail:mam@mccampbell.Wm <br />Tele hone: 877-252-9262 Fax: 925-252-9269 <br />Ponder Environmental Services <br />220 East G Street <br />Benicia, CA 94510 <br />Client Project JD: Tank 3302. <br />Date Sampled: 01/29/08 <br />Date Received: 01/29/08 <br />Client Contact: Jim Ponder <br />Date Extracted: 01/29/08 <br />Client P.O.: <br />Date Analyzed 01/29/08 <br />Gasoline Range (C6 <br />Extraction method SW5030B <br />-C12) Volatile Hydrocarbons as Gasoline with BTEX <br />Analytical methods SW8021B/8015Cm <br />and MTBE* <br />Work Order: 0801699 <br />Lab ID <br />Client ID <br />Matrix <br />TPH(g) I <br />MTBE <br />Benzene <br />Toluene <br />Ethylbenzene <br />Xylenes <br />DF <br />% SS <br />001A <br />1701-1 <br />S <br />83,000,b,m <br />ND<50 <br />58 <br />2800 <br />1800 <br />11,000 <br />1000 <br />87 <br />Reporting Limit for DF =1.; <br />ND means not detected at or <br />above the reporting limit <br />W <br />NA <br />NA <br />NANA <br />NA <br />NA <br />1 <br />ug/L <br />S <br />1.0 <br />0.05 <br />0 0() <br />0.005 <br />0.005 <br />' <br />0.005 <br />1 <br />mg/K <br />' water and vapor samples and all TCLP & SPLP extracts are reported in ltg/L, soil/sludge/Solid samples in mg/kg, wipe samples in pg/wipe, <br />product/oil/non-aqueous liquid samples in mg/L. <br />4 sample peak coelutes with surrogate peak; no surrogate recovery due to matrix interference. <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 / mineral spirit?); f) one to a few isolated non -target <br />{pa tgliter thgnwnter <br />sample that contains greater than —1 vol. % sediment; j) reporting limit raised due to high organic / MTBE content; k) TPH pattern that does not appear <br />to be derived from gasoline (aviation gas). m) no recognizable pattern; n) TPH(g) value derived using a client specified carbon range; o) results are <br />reported on a dry weight basis; p) see attached narrative. <br />" <br />DHS-ELAP-Certification No 1644" ✓'� Angela $yd.�li t> s Lab Manager <br />