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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//www mccampbell corn E-mail mamQmccampbell cam <br /> Shaw Environmental Client Project ID #779966 63040000, 7- Date Sampled 10/16/02 <br /> 11 #14117 <br /> 4005 Port Chicago Hwy Date Received 10/17/02 <br /> Concord, CA 94520 Client Contact Shelby Lathrop Date Extracted 10/18102-10122/02 <br /> Client P O Date Analyzed 10/18/02-10122/02 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline with BTEX and MTBE* <br /> ' Extraction method SW5030B Analyncal methods SW8021B180t5Cm Work Order 0210319 <br /> Lab ID Client ID Matnx TPH(g) MTBE Benzene Toluene Etbylbenzene Xylenes DF %SS <br /> 001A MW-6 W ND,i ND ND ND ND ND 1 998 <br /> t002A MW-5 W NDi ND ND ND ND ND 1 I lot <br /> 003A MW-1 W 8300,a,i ND<100 3600 20 22 60 20 I IOl <br /> ' 004A MW-2 W ND,i 12 ND ND ND ND 1 971 <br /> 005A MW-7 W ND,i ND ND ND ND ND I 1 101 <br /> 006A MW-3 W 2200,a,i ND<50 80 31 130 260 l0 i 105 <br /> 007A MW-4 W 770 a i 180 12 5 5 25 73 2 5 114 <br /> I <br /> I <br /> I <br /> I i <br /> ' I <br /> f <br /> I <br /> Reporting Limit for DF=1 W 50 50 05 050 0 5 0 5 l µg/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 ug/L soil and sludge samples in mg/kg,wipe samples in ug/wipe productloil/non-aqueous hquid samples to <br /> ' mg/L,and TCLP extracts in ug/L <br /> 4 cluttered chromatogram sample peak coelutes with surrogate peak <br /> +The following descriptions of the TPH chromatogram arc 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 gasoltne9) 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 gasolme?,e)TPH pattern that does not appear to be derived from gasoline(stoddard solvent) f)one to a few isolated non-target 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,j)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 pattem <br /> DHS Certification No 1644 Edward Hanulton,Lab Director <br />