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<br />Table 1: Summary of Mud Truck Analytical Results at Broda's - Al <br /> <br /> <br /># <br /> <br />Substance <br /> <br />Units <br /> <br />MT-1 <br /> <br />MT-2 <br /> <br />MT-3 <br />MT-3 <br /> <br />Soil <br />RCRA <br />TCLP <br />Limits' Backnd <br />Conc. <br /> <br />Elements <br />in Soils2 <br />SRO <br />3 <br />Tier 2 <br /> Inor anic Metals <br />1 Arsenic mg/kg:, 2.0 0.0044 0.086 0.106 5 7.2 22 <br />2 Barium mg/kg 100 23 41 1.94 100 580 880 <br />3 Cadmium mg/kg BDL 0.08 0.099 0.016 1 0.06 2.2 <br />4 Chromium mg/kg 16 2.1 0.94 0.261 5 54 44 <br />5 Lead mg/kg 15 2.2 2.7 1.4 5 19 22 <br />6 Mercury mg/kg BDL 0.0044 0.0020 0.00096 0.2 0.089 0.88 <br />7 Selenium mg/kg 3.5 BDL BDL ND 1 0.39 22 <br />8 Silver mg/kg BDL 0.084 0.11 0.0455 5 NL 22 <br /> Volatile Organic <br />Chemicals OC <br />12 All VOC u /L BDL BDL BDL BDL NL NL <br />13 1,2,4-Trimeth lbenzene u /L BDL BDL 2.3 BDL NL NL 1000 <br />14 X lens, Total u /L BDL BDL 3.6 BDL NL NL 1000 <br />15 pH S.U. 9.5 8.9 7.4 NA <2 ->12 NL <br />1. Resource Conservation and Recovery Act (RCRA) Toxicity Characteristic Leachate Procedure (TCLP) for determination of Hazardous Waste. <br />These limits are for analysis done using the TCLP procedure and when compared with total analysis they are divided by 20 if the sample is a <br />solid. Mud was analyzed as a solid and the result value should be divided by 20 to compare to the TCLP limits. <br />2. Cleanup Criteria for Contaminated Soil and Groundwater, Anthony J. Buonicore, 1995. <br />3. DRAFT Soil Remediation Objectives Policy Document; Table 1 Soil Cleanup Table Value Standards - Groundwater Protection Levels, <br />Colorado Department of Public Health and Environment, March 2005. <br />BDL = Below detection limit <br />NA = Non analyzed <br />NL = Not listed. <br />Broda's - AI Inert Fill Mud Truck Analytical Results July 30, 2010 <br />MOLEN & ASSOCIATES, LLC Page 1 of 1