Oak Ridge National Laboratory site data for safety-analysis report

Environmental analysis of the operation of Oak Ridge National Laboratory (X-10 site)

“…Oak Ridge National Laboratory is located within Air Quality Control Region 207, which includes most of eastern Tennessee and part of southwestern Virginia. 52 Based upon the 1980 monitoring data and the appropriate federal standards, the air quality in the ORNL vicinity was within federal primary ambient air quality standards for S0 2 and TSP and had been within standards for N0 2 and ozone when last monitored. However, EPA has designated the area around Oak Ridge to be a nonattainment v -a for N0 2 and ozone, to be unclassified for CO, and to be in attainment for S0 2 and TSP."…”

ALARA Review of the Spallation Neutron Source Accumulator Ring and Transfer Lines

“…The hydrology of the ORR has been described by Moore (1989). A detailed environmental description is contained in Fitzpatrick (1982) and Boyle et al (1982). A detailed site description is contained in LMER (2000), Fitzpatrick (1982), and Boyle et al (1982).…”

The ORNL Surplus Facilities Management Program Long Range Plan

“…Due to the nature of the R&D activities conducted at ORNL and the potential for reuse of Q SFMP facilities in the conduct of nuclear.related programs, any criteria developed for cortiftcation [5][6][7][8][9]…”

“…A burial trench would be constructed on-site for disposal of"all of the LLW solid waste generated. The injection well would be grouted to a point approximately 10 ft below grade, the casing cut at that level and a con-_-_ crete cap poured to the surface, A permanent marker would be installed to identify the loca-__ --= PROJECT Old Hydrofracture Facility Decommissioning SFMP WBS 4,6,12 1-35 i i tlon oftheformerwell-head, Entombmentactivities wouldbe performed fortheburied waste 0 tanks, the waste pit cells, and the emergency pond, The tanks would require a decontamination campaign to rcsuspend the residual sludge prior to fixation within the tank cavities, The waste pit cells have already been stabilized to some extent and would require only a final clean.out and concrete capping to complete the effort, The pond would be stabilized In piace by solidifying the residual sed)ment and sludge on the pond bottom and consolidating the remaining pond structures (riprap and equipment) into a fixed form, The overall site grade over the entombed structures would be made consistent with the lay of the land and burial ground requirements, Any underground piping would be left in place, but grouted to restrict groundwater transfer, Ali uncontaminated structures (bulk storage tanks, water tank, etc,) would be evaluated for salvage or disposed of in the contractor's landfill, The storage building 7853 would be left in its present condition for potential reuse, 2, Special Equipment and Techniques, On-site stabilization activities will require special equipment and techniques in three major areas: (1) cell decontamination, (2) waste tank sludge removal and solidification, and 3pond sediment solidification, Decontamination techniques in use on other SFMP projects (ultra-high-pressure water jet scarification and abrasive cutting, plasma arc torch cutting, chemical treatments, etc,) should be applicable to this facility, • with little additional development required, Waste tank clean-out would be expected to followsimilar lines as the Waste Storage Tanks project (WBS 4;6,18), with slight modifications needed to allow for the horizontal placement of the eHF tanks, the rubber linings in the tanks, and the grout formulation for in-tank solidification. Solidification:of the waste pond will also require special techniques due to the nature of the pond sediments (radioactive and hazardous wastes), Techniques similar to those employed for the Waste Holding Basin (WBS 4,6,1) may be appropriate at this site also, 3, Cost, Schedule, and Waste Volume Projections, A summary of the project schedule, cost, and waste disposal requirements for the proposed Old Hydrofracture Facility decommissioning project is provided in Fig, 1,17, Project planning, equipment and grout development, on-site D&D operations, and project closeout are estimated to extend over approximately five years, ata total estimated cost of $2,9 million, Approximately 8 × 10 3 gal (30 m3) of liquid waste and 7 × 103 ft3 (205 m3) of solid waste will require appropriate handling and disposal.…”

“…-Without the presence of the fuel, the MSRE resembles the nearby Homogeneous Reactor Experiment (HRE) facilities (WBS 4,6,17), Due to the structural conditions of these facilities (below grade cells with steel linings and poured concrete encasement), they provide excellent locations for toflg.torm waste oontaltlmo_t, Entombment of the contaminated reactor oompoaents has be_n 0 specified for the fIRE, based on cost, pursontte[ expo_uro, and conservation of burtal grounct space, Gtvon the assumption on tho d[sposition of the MSRE fuel, the ontombrnont option for the main reactor components also appears to be the most cotJt.effectlw solution for the MSRE, Decontamination of many of the ancillary t'aollttles (oi'floes, support buildings) for rouse would bc_specified In order to make maximum use of this valuable space, b, D,_commtsstonlng Plan, I , 1, Technical Plan, No strucaured technical plan ha_ yet be_n dev(_loped for thc_ proposed fuel processing and disposal option, Until the final wastc_ form Is det(_rmlned, thc_flowsheets and associated equipment designs cannot be specified, However, assumtn/_ that fluorination and processh_g of the salts would occur, fiowsheet devcfloprnent and design and c_onstructlon of a major, unique, r_mote-opt_rated system would be required, Such an effort would begin with laboratory.scale development of a procc_ss t'lowsheet, leading to full-scale eonstruc_tton and cht_ck,,outof on.site facilities, Fuel processing and transportation would then follow, with pro. _sstng facilities decontamination and dismantlement _ndtng thJ_ phase of thc_projt_ct,…”