Focused feasibility study for surface soil at the main pits and pushout area, J-field toxic burning pits area, Aberdeen Proving Ground, Maryland

Feasibility study for remedial action for the groundwater operable units at the chemical plant area and the ordnance works area, Weldon Spring, Missouri

“…Indirect costs -small tools and supplies, fringes, insurance, and contingency -were estimated on the basis of various percentages of other costs specific to the WSCP (Hood 1997) and the WSOW (Patton et al 1996). The various indirect cost relationships applied in this analysis are provided in Tables D. 1 and D.2 and were implemented using a Microsoft Excelm spreadsheet for each alternative.…”

“…A contingency percentage of 25fZ0 was applied for the WSCP in this analysis, on the basis of Hood (1997), which is Within the range recommended by the DOE Office of Environmental Management for projects in the preliminary stage of the remediation process (DOE 1990). Patton et al (1996).…”