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110 2nd Avenue South,#137,Pacheco,CA 94553-5560 <br /> MCCampbell Analytical Inc. Telephone:925-798-1620 Fax:925-798-1622 <br /> http://,ww,nicearnpbcll.com E-mail:main tncca bell.com <br /> Advanced GeoEnvironmental, Inc. Client Project ID: Strong Prop. Date Sampled: 03/22/03 <br /> Date Received: 03/25/03 <br /> 837 Shaw Road <br /> Client Contact: Brian Millman Date Extracted: 03127103-03129103 <br /> Stockton,CA 95215 <br /> Client P.O.: Date Analyzed: 03127103-03129103 <br />'! Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline with BTEX and MTBE* <br /> Extraction method: SW5030B Analytical methods: SW80218/8015C1n Work Order. 0303426 <br />' Lab ID Client ID Matrix TPH(g) MTBE Benzene Toluene Ethylbenzene Xylenes DF %SS <br /> 001A MW1 W ND ND ND ND ND ND 1 92.6 <br /> t002A MW2 W 130,a ND 17 0.66 4.3 5.6 1 99.7 <br /> 003A MW3 W ND ND ND ND ND ND 1 91.9 <br /> 004A MW4 W ND ND ND ND ND ND 1 95.3 <br /> 005A MW5 W 130,a ND 10 0.96 8.2 2.0 1 106 <br />' 006A MW6 W 280,b,m ND ND 2.0 15 0.61 1 111 <br /> 007A MW8 W 140,a ND 1.5 1.1 7.4 2.0 1 110 <br /> 008A MW9 W ND ND ND ND ND ND 1 97.2 <br /> 009A DW5157 W ND ND ND ND ND ND I 101 <br /> I <br /> Reporting Umjt for DF=l; W 50 5.0 0.5 0.5 0.5 0.5 <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 inµg/wipe,and TCLP extracts in <br /> #cluttered chromatogram;sample peak coelutes with surrogate peak. <br /> +The 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 baving.broad chromatographic peaks are significant;biologically <br /> ' altered gasoline?;e)TPH pattern that does not appear to be derived from gasoline(stoddard solvent/mineral spirit?);f)one to a few isolated non-target <br /> peaks present;g)strongly aged gasoline or diesel range compounds are significant,h)Tighter than water immiscible sheen/product is present;0 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 pattern. <br /> ' DHS Certification No. 1644 _JrAngela Rydelius, Lab Manager <br /> I <br />