Conceptual Site Model - Argonne National Laboratory

WVDP Phase 1 CSAP2. High-Level Waste (HLW) Transfer Trench Contamination Status. Data will be collectedto establish the radiological status of the inside of the empty HLW Transfer Trench(WMA 3) after the transfer lines have been removed.3. Removed Infrastructure Footprints Contamination Status. In many cases, the Phase 1decommissioning activities will remove infrastructure (including pads and foundations)and thereby expose soils. Where the exposed soils meet DCGL requirements andcontamination is not present in underlying soils, FSS data collection may take place.Alternatively, data may be collected to simply establish the contamination status of theexposed soils when Phase 1 activities are complete for use in determining what additionalaction may be required in Phase 2.4. Excavation Efficacy. Where significant removal of soil is required (e.g., WMA 1 andWMA 2) or where contaminated soil is removed outside of the WMA 1 and WMA 2deep excavations as part of other activities (e.g., hardstand removals), data will becollected to guide soil removal, to support soil segregation for waste disposal purposes,and/or to verify that the remediation goals for that particular location or area have beenachieved. When appropriate, these data will be collected consistent with the requirementsof the Phase 1 FSSP to assist in demonstrating compliance with relevant DCGLstandards.2.3 CSAP OverviewFor planning purposes, the WVDP premises have been divided into WMAs as described in thePhase 1 DP. There are 12 WMAs, numbered 1 through 12. Of these, all will potentially beincluded in CSAP data collection efforts, with the exception of WMA 8 and WMA 11. WMA 8includes the State-Licensed Disposal Area (SDA), which is not part of the WVDP. WMA 11includes properties separate from the primary WVDP premises that are not within the scope ofPhase 1 DP activities. Figure 1 shows the location of each WMA. Additional descriptive detail isprovided below.Rev. 1 8