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' U-Haul 11719-So B1aes Environmenla! <br /> Additional Site Charactenzat= <br /> accuracy of laboratory analytical results <br /> 3 3 4 Laboratpry Analysis of Groundwater Samples <br /> On February 9, 2000, Blaes Environmental relinquished 10 groundwater samples, one equipment blank <br /> Iand one trip blank to CAS CAS analyzed these groundwater samples for the following constituents <br /> BTEX, fuel additives and oxygenate compounds, including TBA, MTBE, DIPE, ETBE and TAME, using <br />' EPA Method 8260 Each sample was analyzed on a normal turnaround time basis (10 to 14 working <br /> days) The laboratory analytical report provided by the laboratory is included as Appendix G <br /> 3 4 WASTE MANAGEMENT OF SOIL CUTTINGS AND WATER <br />' Soil cuttings generated during soil boring drilling and well construction were temporanly stored two roll-off <br /> bins One 10-yard bin was used for storage of non-impacted soil cuttings and was disposed of at a local <br /> solid waste landfill The second 20-yard roll-off bin contained hydrocarbon-impacted soil and remains on <br /> site pending waste profiling approval Approximately 20 cubic yards of soil cuttings were generated during <br /> installation of the new monitoring wells <br /> Blaes Environmental collected two soil samples for waste characterization(SP-1 and SP-2) These samples <br /> were submitted under separate cham-of-custody to Kiff Analytical for waste profiling analysis Waste <br /> profiling included the following analysis composite the two samples into one sample for analysis, volatile <br /> organic compounds using EPA method 8260B, semi-volatile organic compounds using EPA method 8270, <br /> total recoverable petroleum hydrocarbons (TRPH) and oil and grease using SM 1664, TCLP for the eight <br /> RCRA metals using EPA method 1311, CAM 17 metals using EPA method 6010, pH using EPA method <br />' 9045, and paint filter test using EPA method 9095 <br /> Following this initial round of analysis, additional analysis were required to profile the waste as non- <br /> hazardous These analysis included the following STLP for Arsenic using METALG-ASW and TPH as <br /> gasoline using EPA method 8260B These results enabled the soil to be disposed of as a non-hazardous <br /> material The Iaboratory analytical reports for waste characterization analysis is included as Appendix H <br /> On March I4, 2000, BIaes Environmental contracted Ecology Control, Inc (ECT) of Oakland, California to <br /> remove and dispose of the soil The soil disposal documentation will be presented under separate cover <br /> 13 <br />