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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 />' h //www mccumbell corn E mail main ca bell com <br /> . Advanced GeoEnvironmental,Inc Client Project ID National Freight Date Sampled 12/27/02 <br /> 837 Shaw Road Date Received 12/31/02 <br />' Client Contact Paul Dotson Date Extracted 12/31/02-01/03103 <br /> Stockton, CA 95215 <br /> Client P O Date Analyzed 12/31102-01/03/03 <br /> ' Gasoline Range(C6-02)Volatile Hydrocarbons as Gasoline with BTEX and MTBE* <br /> Extractioninethod SW5030B Analyticaimethods SW8021B/8015Cin Work Order 0212472 <br /> Lab ID Client Ill Matrix TPH(g) MTBE Benzene Toluene Ethylbenzene Xylenes DF %SS <br /> 001 A MW-1 W 450,8 h ND ND ND ND ND l 115 <br /> ' 002A MW-2 W ND,i ND ND ND ND ND 1 107 <br /> 003A MW-3 W ND,i ND ND ND ND ND 1 105 <br /> ' 004A MW-4 W ND,i ND ND ND ND ND 1 999 <br /> 005A MW-5 W ND,i ND ND ND ND ND l 103 <br /> 1 <br /> 1 <br /> Reporting Lunt for DF—1 W 50 5 0 05 0 5 0 5 0 5 1 µg/L <br /> ' ND means not detected at or <br /> above the reporting lunit S NA NA NA NA NA NA 1 mg/Kg <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 inµg11. <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 /> 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 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)lighter than water immiscible sheeniproduct is present 1)liquid <br /> sample that contains greater than—2 vol %sediment,l)reporting limit raised due to high MTBE content,k)TPH pattern that does not appear to be <br /> ' denved from gasoline(aviation gas) m)no recognizable pattern <br /> DHS Certification No 1644 Edward Hanulton,Lab Director <br /> 1 <br /> ' I <br />