Superfund Record of Decision (EPA Region 4): Paducah Gaseous Diffusion Plant211 (USDOE) Operable Unit 5, Paducah, KY., August 10, 1998

摘要

This Record of Decision (ROD) presents the final remedial action decisions211u001eselected for soils and sediments in each of the solid waste management units 211u001e(SWMUs) of Waste Area Groups (WAGs) 1 and 7 at the Paducah Gaseous Diffusion 211u001ePlant (PGDP) near Paducha, Kentucky. Waste Area Group 1 consists of SWMUs 100 and 211u001e136. Waste Area Group 7 consists of SWMUs 8 and 130 through 134. By mutual 211u001econsent among the United States Environmental Protection Agency (EPA), the 211u001eKentucky Department for Environmental Protection (KDEP), the United States 211u001eDepartment of Defense (DOD), the United States Army Corps of Engineers (COE), and 211u001ethe DOE, it was agreed that the evaluation and implementation of any remedial 211u001eactions required for the Kentucky Ordnance Works (KOW) SWMUs (SWMU 94 (KOW Sewage 211u001eTreatment Plant), SWMU 95 (KOW Burn Area), and SWMU 157 (KOW Toluene Spill 211u001eSite)), formerly included in WAGs 1 and 7, would be the responsibility of the DOD 211u001eand conducted on behalf of the DOD by the COE. Due to the agreements reached 211u001eamong these entities, remedial technologies for the KOW SWMUs are not discussed 211u001efurther in this ROD and will be evaluated as part of the WAG 10 investigation by 211u001ethe COE. Additionally, by written mutual consent, the EPA, the DKEP, and the DOE 211u001eagreed that an evaluation of remedial alternatives for SWMU 38, the C-615 Sewage 211u001eTreatment Plant, would be deferred until the unit ceases operation. Consequently, 211u001eno remedial actions are discussed for these SWMUs in this ROD.