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1 the pond bottom. Analysis shall include one <br /> 2 sample drawn from the sediments (if any) at <br /> 3 the surface of the soil , and at depths of 1 , <br /> 4 2 , 3 , 4 , and 5 feet, and thereafter every 5 <br /> 5 feet continuing until groundwater is <br /> 6 encountered. Respondent may archive sample <br /> 7 for subsequent analysis. <br /> 8 5 . All samples taken for the purpose of ' <br /> 9 characterization shall include as a minimum the <br /> 10 determination of total chromium, hexavalent <br /> 11 chromium, copper, and arsenic concentrations. <br /> 12 Detection limits for these metals shall be 0. 1 times <br /> 13 the background level or lower. <br /> 14 6. Characterize the soil and sediments (if any) , and if <br /> 15 it is a hazardous waste under California or Federal <br /> III <br /> 16 standards, dispose of contaminated material <br /> 17 accordance with state and federal laws and <br /> 18 regulations. <br /> 19 7 . Achieve and demonstrate a 10-6 centimeters per <br /> 20 second permeability for the pond invert and provide <br /> 21 a rainfall collection system that will ensure that <br /> 22 the accumulated rainfall is rapidly processed <br /> 23 through the treatment plant. <br /> 24 8 . Respondent shall develop a comprehensive Health and <br /> 25 Safety Plan to address the health and safety <br /> 26 considerations for all activities set forth in this <br /> 27 Exhibit. <br /> D-3 <br /> COURT PAPIER <br /> .TATE OF CALIFORNIA <br /> 11TO. 113 1119V. 0-721 <br /> 16 :M7CD <br />