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t110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> McCampyell Analytical Inc. Telephone:925-798-1620 Fax:925-798-1622 <br /> http:Rwww.mccampbell.com E-mail:main@mccariipbell.com <br /> mccanipbell.com <br /> Advanced GeoEnvironmental, Inc Client Project ID: Van Buskirk Date Sampled: 09/24/02 <br /> 837 Shaw Road Date Received: 09/25/02 <br /> Client Contact: Bill Little Date Extracted: 09127/02-09/29/02 <br /> Stockton, CA 95215 <br /> Client P.O.: Date Analyzed: 09/27/02-09/29102 <br /> ' Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline* <br /> xtmetion method: SW5030B Analytical methods: 8015Cm Work Order: 0209390 <br /> Lab ID Client ID Matrix TPH(g) DF' %SS <br /> 001A I MW3/092402 W ND 1 97.7 <br /> ' 002A MW4/092402 W ND 1 98.6 <br /> 003A MW5/092402 W ND,i 1 98.5 <br /> 004A i MW6/092402 W ND 1 98.8 <br /> 005A MWW092402 W ND 1 99.2 <br /> ' 006A t MW81092402 W ND 1 99.9 <br /> 007A MW91092402 W ND I 1 102 <br /> ' 008A , MW10/092402 W ND 1 99.8 <br /> I <br /> i <br /> I <br /> 0 1 <br /> 1 i <br /> I <br /> i <br /> Reporting Limit for DF=1; W 50 µg/L <br /> ND means not detected at or NA NA <br /> above the reporting limit E <br /> *water and vapor samples are reported in ug/L,soil and sludge samples in mg/kg,wipe samples in ug/wipe,product/oil/non-aqueous liquid samples in <br /> mg/L,and TCLP extracts in ug/L. <br /> 1 #cluttered chromatogram;sample peak coelutes with surrogate peak. <br /> +T-he following descriptions 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;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 patter. <br /> • DHS Certification No. 1644 JV_Edward Hamilton,Lab Director <br /> i <br />