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110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> 4 McCamphell Analytical Inc Telephone 925-798 1620 Fax 925-798-1622 <br /> hq llwww mcearrpbell com E-mail mani inceaniphell com <br /> Advanced Geohnvironmental, Inc Client Project ID Pacific Mllnt Mart- 12/2 Date Sampled 12/16/02 <br /> 837 Shaw Road Date Received 12/17/02 <br />' Stockton, CA 95215 Client Contact Bill Little Date Extracted 12/21/02 <br /> Client P Q Date Analyzed 12/21/02 <br /> Gasoline Range(126-C12) Volatile Hydrocarbons as Gasohne* <br /> Extraction method SW5030B Analytical methods SW8015Cm Work Order 0212285 <br /> Lab ID Client ID Matrix TPH(g) DF %SS <br /> 001A Influent W 1100 a <br /> 002A Effluent W ND 1 l03 <br /> Reporting Limit for DF=l, W 50 pg/L <br /> I ND means not detected at or S NA NA <br /> above the reporting limit <br /> *water and vapor samples are reported in pg/L,soil and sludge samples in mg/kg,wipe samples in pg/wipe,and TCLP extracts in pg/L <br /> #cluttered chromatogram,sample peak coelutes with surrogate peak <br /> +Me following descriptions ofthe TPH chromatogram are cursory in nature and McCampbeli Analytical is not responsible for their interpretation a) <br /> unmodified or weakly modified gasoline is significant,b)heavier gasoline range compounds are signtficant(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 gasoline9,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 /> peaks present,g)strongly aged gasoline or diesel range compounds are significant,h)tighter than water immiscible sheen/product is present,i)liquid <br /> sample that contains greater than—2 vol %sediment,j)reporting limit raised due to high MTBE content,k)TPH pattern that does not appear to be <br /> derived from gasoline(aviation gas) m)no recognizable pattern <br /> DHS Certification No 1644 Edward Hamilton, Lab Director <br /> 1 <br /> I <br />