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I110 2nd Avenue South,#137,Pacheco CA 94553 5560 <br /> McCampbell Analytical Inc Telephone 925-798-1620 Fax 925-798-1622 <br /> I <br /> Mip I/www mccarripbell corn E mail Yarn mccaupbell com <br /> Advanced GeoEnvlrolunental, Inc Client Project ID Chase Van Buren Date Sampled 05/07/03 <br /> 837 Shaw Road Date Received 05/08/03 <br /> Client Contact Paul Dotson Date Extracted 05108103-05/10/03 <br /> Stockton,CA 95215 <br /> Client P Q Date Analyzed 05/08/03-05110/03 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline with BTEX and MTBE* <br /> Extraction method SW5030B Analytical metbods SW8021B/8015Cm Work Order 0305122 <br />' Lab ID Client ID Matrix i TPH(g) MTBE Benzene Toluene Ethylbenzene Xylenes DF %5S <br /> 001A MW 3 W 190,000,a __ 4500 48,000 4300 26,000 200 105 <br />' 002A MW 6 W ND ND ND ND ND 1 106 <br /> 003A MW 7 W 82,b ND 050 17 053 1 106 <br /> 004A MW 9 W 2900,a 49 25 170 590 5 109 <br /> 005A MW t0 W ND ND ND ND ND 1 105 <br />' 006A MW 14 W ND ND ND ND ND 1 104 <br /> 007A MW 15 W I1,000,a 630 370 260 1400 10 j 110 <br />' 008A MW 16 W ND ND ND ND ND 1 105 <br /> 009A MW 17 I W ND __ ND ND ND ND 1 107 <br />' 010A MW 22 W 11,000,a 490 110 1200 1300 20 106 <br /> Ol1A MW 23 W ND,i __ ND NFA ND ND 1 107 <br />' 012A MW 24 W ND ND ND ND ND 1 105 <br /> I <br /> Reporting Lmat for DF=1, `lt7 50 50 05 05 05 05 1 µg/L <br />' ND means not detected at or <br /> above the reporting haat S NA NA NA NA NA NA 1 mg/Kg <br /> *water and vapor samples are reported in jig/L,soil and sludge samples in mg/kg,wipe samples inµg/wipe,and TCLP extracts in}tg/L <br />' #cluttered chromatogram,sample peak coelutes with surrogate peak <br /> i <br /> +The following descnptions 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 gasolme9),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'y,c)TPH pattern that does not appear to be derived from gasolme(stoddard solvent/mineral spin(?),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 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 'J�gels Rydellus,Lab Manager <br /> I <br />