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110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> McCampbell Analytical, Inc. 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-Soil MW37 Date Sampled: 01/05/05-01/06/05 <br /> Date Received: 01/13/05 <br /> 837 Shaw Road <br /> Client Contact: Bill Little Date Extracted: 01/13/05 <br /> Stockton,CA 95215 Client P.O.: Date Analyzed: 01/13/05-01/20/05 <br /> ' <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline with BTEX and MTBE* <br /> ' Extraction method: SW5030B <br /> Analytical methods: SW802113/8015Cm Work Order: 0501154 <br /> Lab ID Client ID Matrix TP (g) MTBE Benzene Toluene Ethylbenzene Xylenes DF %SS <br /> OOIA MW34-50 S ND --- <br /> ND ND ND ND 1 98 <br /> ' 002A MW37-60 S 470,a --- 1.6 6.1 3.4 23 10 104 <br /> 003A MW37-70 S 5.4,a --- 1.1 0.12 0.090 0.41 1 96 <br /> 004A MW37-90 S ND <br /> --- ND ND ND ND 1 96 <br /> OOSA MW37-100 S ND "" <br /> ND ND ND ND 1 82 <br /> 006A MW37-110 S ND - ND ND ND ND 1 91 <br /> 007A MW37-120 S ND --- ND ND ND ND 1 84 <br /> ' 008A MW37-130 S ND --- ND ND ND ND 1 87 <br /> 009A MW37-140 S ND --- ND ND ND ND 1 89 <br /> '+ --- ND ND ND ND 1 87 <br /> 010A MW37-150 S ND <br /> I <br /> Reporting Limit for DF=1; W NA NA NA NA NA NA 1 ug/L <br /> 1 ND means not detected at or 1.0 0.05 0.005 0.005 0.005 0.005 1 mg/Kg <br /> above the reporting limit S <br /> *water and vapor samples and all TCLP&SPLP extracts are reported in gg/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)results are reported by dry weight. <br /> • _J2-Angela Rydehus,Lab Manager <br /> DHS Certification No. 1644 <br />