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110 2nd Avenue South,#D7 Pacheco CA 94553-5560 <br /> McCampbelI Analytical Inc Telephone 925 798 1520 Fax 925 798 1622 <br /> http/Iwww mccampbell corn E mail main®mccampbell com <br /> Shaw Environmental Client Project ID #781723 63040000,7- Date Sampled 10/01/02 <br /> 11 #21756 <br /> 4005 Port ChiDate Received 10/01/02 <br /> Chicago Hwy <br /> Client Contact Shelby Lathrop Date Extracted 10103/02-10106102 <br /> Concord,CA 94520 -1[ <br /> Client P O Date Analyzed 10/03/02-10106/02 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline with BTEX and MTBE* <br /> Extraction method SW5030B Analytical methods SW8021B18015Cm Work Order 0210019 <br /> ' Lab ID Client iD Matrix TPH(g) MTBE Benzene Toluene Ethylbenzene Xylenes DF %SS <br /> 001A MW4 W ND,t ND ND ND ND ND 1 981 <br /> 002A MWA W ND<170d,i 2900 ND<1 7 ND<i 7 ND<l 7 NLKI 7 3 3 100 <br /> 003A MW-2 W ND ND ND ND ND ND 1 97 2 <br /> 004A MW-3 W ND,i ND ND ND ND ND 1 102 <br /> i <br /> r <br /> Reporting Limit for DF=l W 50 50 05 05 05 05 1 µg11, <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/wpe,produeVoil/non-aqueous liquid sarnples in <br /> mg/L,and TCLP extracts in uglL <br /> #cluttered chromatogram sample peak coelutes with surrogate peak <br /> +The following descnphons 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 gasoline?,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,T)reporting linut raised due to high MTBE content,k)TPH pattern that does not appear to be derived from <br /> gasolme(aviation gas) m)no recognizable pattern <br /> • <br /> ' DHS Certification No 1644 Edward Hamilton,Lab Director <br /> J <br />