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7 Inc. 110?rid Avenue South,.4177,Pacheco,CA 945)3-5560 <br /> [ 4 MCCampbell Analytical InTelephone:1)25-79S-1620 Fax:925-798-1622 <br /> http:'www.mccantpbell.com E-mail:main(q),mccampbell.cont <br /> _ Advanced GeoEnvironmental, Inc. Client Project ID: National Freight Date Sampled: 06/16,'03 <br /> 837 Shaw Road Date Received: 06/17/03 <br /> Stockton, CA 95 Z 15 Client Contact: Paul Dotson Date Extracted: 06/19/03 <br /> ' <br /> [Client P.O.: Date Analyzed: 06/19/03 <br /> _ Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline with BTEX and MTBE* <br /> Extraction method: SW503013 Analyticalmcthods: SW8021B/8015Crn Work Order: 0306350 <br /> Lab Q7 Client 1D Matr x TPH(g) MTBL Bcnzcnt; Toluene l:thylbenzene Xylencs DF %SS <br /> 001A MW1/061603 W 480,g,hJ --- ND 0.73 ND 1.8 1 94.6 <br /> 002A MW2W1603 W ND,i --- YD ND ND ND 1 103 <br /> — _ <br /> 003A MW3/061603 WND,i -- NU ND ND NU I 102 <br /> 004A MW4%061603 W NDJ – ND ND ND ND 1 100 <br /> OUSA MW5I061603 W ND – ND ND ND ND I 44.9 <br /> I <br /> i <br /> : <br /> i <br /> Reporting Limit for D} =1; y,! j $0 5.0 0.5 0.5 <br /> 0.5 0.5 l µg11 <br /> ND means not detected at or _ - -- <br /> above the reporting limit S NA NA NA i NA — NA NA I-'mgliCg <br /> 'water and vapor samples are reported in pg/L,soil and sludge samples in mg/kg,wipe samples in ttg/wipe,and"f CLP extracts in lag/L. <br /> #cluttered chromatogram;sample peak coelutes with surrogate peak. <br /> +The following descriptions of the TPN 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 sign ificant(aged gasoline?);c)lighter gasoline range <br /> compounds(the most mobile taction)are significant;d)gasoline range compounds having broad chromatographic peaks are significant;biologically <br /> altered gasoline?;e)TPH patters=that does not appear to be derived from gasoline(stoddard solvent/mineral spirit?);0 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 pattem. d _ <br /> DHS Certification No. 1644 `-'Angela Rydelius,Lab Manager <br />