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1 110 2nd Avenue South #D7 Pacheco CA 94553-5560 <br /> 4 <br /> McCampbell Analytical Inc ! 'telephone 925-798-1620 Fax 925 798-1622 <br /> I http llwww mccampbell corn E-mail mamQmccampbell corn <br />' Advanced GeciEnvironinental, Inc Client Project ID National Freight Date Sampled 09/23/02 <br /> 837 Sbaw Road Date Received 09/24/02 <br />' Stockton, CA 95215 Client Contact Paul Dotson Date Extracted 09/25/02-09/27/02 <br /> Client P O Date Analyzed 09/25/02-09/27/02 <br />' Gasoline Range(C&C12)Volatile Hydrocarbons as Gasoline with BTEX and MTBE* <br /> Extraction method SW5030B Analytical methods SW8021B18015Cm Work Order 0209363 <br />' Lab ID Client ID Matrix TPH(g) MTBE Benzene Toluene Ethylbenzene Xylenes DF %SS <br /> I <br /> OOIA I MW1/092302 W 410,g,t --- ND ND ND ND 1 118 <br /> I <br />' 002A MW2/092302 W ND,i --- ND ND ND ND t 111 <br /> 003A MW3/092302 W ND,i -- ND ND ND ND l 111 <br />' 004A MW4/092302 W ND,i -- ND ND ND ND l 112 <br /> I <br /> 005A MW5/092302 W ND,i -_ ND ND ND ND ] 103 <br /> 1 I I I <br /> I <br /> 1• I <br /> 1 <br /> i <br /> 1 € <br /> Reporting Lumt for DF—1 W 50 50 05 05 05 05 1 lug/L <br /> ND means not detected at or <br /> ' above the reporting limit S NA NA NA NA NA NA I 1 mg/Kg <br /> *water and vapor samples are reported in ug/L,soil and sludge samples m 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 ebromatogram 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 gasoline9),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-tai get 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,I)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 Edward Hamilton,Lab Director <br /> 1 <br />