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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 I/www mccampbell corn F mail main@mccampbell corn <br /> I T Corporation Client Project ID Manteca#17647 Date Sampled 04/08/02 <br /> 4005 Port Chicago Hwy Date Received 04/10/02 <br /> Concord, CA 94553-2233 Client Contact Shelby Lathrop Date Extracted 04/14102-04/15/02 <br /> �_Chent_P O Date Analyzed 04114102-04/15/02 <br /> r Gasoline Range(C6-02)Volatile Hydrocarbons as Gasoline with MTBE and BTEX* <br /> xtract:on method SW5030B Analytical methods SW8021B/8015Cm Work Order 0204183 <br /> 1 Lab ID Client ID Matrix TPH(g) MTBE Benzene Toluene 1 thylbenzene Xylenes DF %SS <br /> OO]A MW-1 W ND N/A ND ND ND ND 1 118 <br /> 002A MW-2 W ND N/A ND ND ND ND 1 106 <br /> 003A MW-1 W ND N/A ND ND ND ND 1 109 I <br /> 1 � <br /> I <br /> i <br /> 1 <br /> Reporting Limit for DF=1, W 50 5 0 5 05 0 5 0 5 ug/L <br /> 1 ND means not detected i t or S 1 005 0 005 0 005 0 005 0 005 m /K <br /> above the reporting limit mg/Kg <br /> *water and vapor samples are reported in ug/L,soil and sludge samples in mg/kg,wipe samples in ug/wrpe,and TCLP extracts in ug/L <br /> DF=dilution factor <br /> #cluttered chromatogram,sample peak coelutes with surrogate peak <br /> +The following descriptions of the TPH chromatogram are cursory:n 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 gasolme9,e)TPH pattern that does not appear to be derived from gasoline(stoddard solvent) i)one to a few:solated non-target peaks present <br /> g)strongly aged gasoline or diesel range compounds are significant,h)lighter than water immiscible shccn/product is present,i)liquid sample that <br /> contains greater than--2 vol %sediment,j)no recognizable pattern <br /> DHS Certification No 1644 Edward Hamilton,Lab Direct <br /> _1 <br />