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110 2nd Avenue South,4D7,Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925-798 1620 Fax 925-798-1622 <br /> http//wwwmccwMMlcom E-mail rnaLn@TmcampbeJLcoTn <br /> Advanced GeoEnvironmental,Inc Client Protect ID Comfort Air Date Sampled 03/18/03 <br /> 837 Shaw Road Date Received 03/18/03 <br /> Stockton,CA 95215 Client Contact Paul Dotson Date Extracted 03/20/03-03/22103 <br /> Client P Q Date Analyzed 03120/03-03/22/03 <br /> Gasoline Range(C6-C12) Volatile Hydrocarbons as Gasoline with BTEX and MTBE* <br /> [E.U.acdon method SW5030B Analytical methods SW8021B/8015Cm Work Order 0303299 <br /> Lab ID Client]D Matrix TPH(g) MTBE Benzene Toluene Ethylbenzene Xylenes DF %SS <br /> OOIA EXI W 140,000,a 8200 29,000 3500 17,000 200 92 8 <br />' 002A MW3 W 1100,a ___ 82 33 78 80 2 107 <br /> 003A MW5 W 91,a 2 6 ND ND 0 64 1 106 <br /> 004A MW6 W 1100,a __, 120 9 4 57 31 2 898 <br /> 005A MW7 W ND ND ND ND ND 1 100 <br /> 006A MWSA W ND ND ND ND ND 1 110 <br /> 007A MWSB W 970,a _ 150 14 47 44 2 119 <br /> I008A MW9A W ND — ND ND ND ND 1 989 <br /> 009A MW9B W 470,a _ 14 1 5 6 t ND 1 110 <br /> 010A MW 10A W ND — ND ND ND ND 1 966 v <br /> 011A MWIOB W ND — ND ND ND ND 1 102 <br /> 012A MW11A W ND __ ND ND ND ND l 978 <br /> 013A MW1113 W 110,a 9 8 1 0 ND ND 1 109 <br /> I �� <br /> 014A MW12A W ND ND I ND ND ND 1 � 973 <br /> 015A MW 1213 W ND ND ND ND ND 1 103 <br /> Reporting Lunit for DF—1 W 50 50 0 5 05 05 05 1 pg/L <br /> ND means not detected at or <br /> above the reporting limit 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 gg/wipe,and TCLP extracts in pg/L <br /> I #cluttered chromatogram,sample peak coelutes with surrogate peak <br /> +The following descriptions of the TPH chromatogram are cursory to 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 gasobne9,e)TPH pattern that does not appear to be derived from gasoline(stoddard solvent/mineral spent)),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 /> Idenved from gasoline(aviation gas) m)no recognizable pattern <br /> . DHS Certification No 1644 Angela Rydehus,Lab Manager <br /> i <br /> I <br />