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110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> Inc.McCampbell Analytical, Telephone:925-798-1620 Fax:925-798-1622 <br /> ' Website:www.mccampbell.com E-mail:main@mccampbell.com <br /> Advanced GeoEnvironmental,Inc. Client Project ID: River City Petroleum Date Sampled: 01/18/05 <br /> ' (Connell) <br /> 837 Shaw Road Date Received: 01/21/05 <br /> Client Contact: Bill Little Date Extracted: 01/22/05 <br /> Stockton,CA 95215 <br /> ' [Client P.O.: Date Analyzed: 01/22/05 <br /> Gasoline Range(C6-02)Volatile Hydrocarbons as Gasoline with BTEX and MTBE* <br /> ' Extraction method: SW5030B Analytical methods: SW8021B/8015Cm Work Order: 0501265 <br /> Lab ID Client ID Matrix TPH(g) MTBE Benzene Toluene Ethylbenzene Xylenes DF %SS <br /> ' 111A MW-36 W 310,a _ 11 8.0 1.9 17 1 117 <br /> 002A MW-37 W ND ND ND ND ND 1 105 <br /> ' Reporting Limit for DF=1; W 50 5.0 0.5 0.5 0.5 0.5 1 gg/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 and all TCLP&SPLP extracts are reported in ug/L,soil/sludge/solid samples in mg/kg, wipe samples inµg/wipe, <br /> product/oil/non-aqueous liquid samples in mg/L. <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 having 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)lighter than water immiscible sheen/product is present;i)liquid <br /> sample that contains greater than—1 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;n)TPH(g)range non-target isolated peaks subtracted out of the TPH(g)concentration at <br /> the client's request. <br /> ' DHS Certification No. 1644Y-Angela Rydelius,Lab Manager <br />