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Idaho National Laboratory Cultural Resource Management Plan

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e 3 × 10 11 curies, with an estimated “permissible” disposal cost of anywhere from $.60 to $64 per<br />

gallon. 325<br />

Rocky Flats waste dramatically increased in 1957 due to a severe fire at the plant. Large quantities of<br />

bulky and contaminated fire debris was shipped to the NRTS. To accommodate this substantial new<br />

volume, the NRTS created a series of “pits” for disposal of this waste. Pit 1 opened on November 1, 1957.<br />

That year the AEC also produced formal disposal procedures for the NRTS. Solid waste was packaged in<br />

steel drums or large crates, stacked near the pits, and then lowered into the pits by crane. Reporting and<br />

record-keeping on solid waste disposal was improved. The AEC further expanded and refined these<br />

requirements in 1959. 326<br />

Occasional flooding created problems at the Waste Burial Ground (later called the “Subsurface<br />

Disposal Area”). When the U.S. Geological Survey recommended the burial ground site in 1952, it had<br />

not predicted heavy cyclic floods. When the Big Lost River overflowed in 1958, site managers quickly<br />

arranged for a dam to divert water away from the burial ground. In 1962, two inches of rain fell on frozen<br />

ground, causing localized flooding. Some open trenches filled with water, allowing low-level waste<br />

barrels and boxes to float. A few boxes broke open, their contents of contaminated gloves and bottles to<br />

settle on lands near the burial grounds. These were retrieved and reburied. Diversion ditches and diking<br />

were constructed around the site, but intermittent flooding continued over the years. 327<br />

Interim Burial Ground: 1960-1963. As the number of AEC-licensed nuclear power plants increased,<br />

so did their waste. Utility companies hired from among several firms that packaged solid waste and<br />

buried it at sea. The cheaper cost of land burial caused the AEC to re-evaluate sea burial. In January 1960,<br />

the AEC announced plans to create regional interim burial grounds for commercial wastes. Until these<br />

were established, interim sites for storing wastes would be needed. In May, the AEC chose the Oak Ridge<br />

<strong>National</strong> <strong>Laboratory</strong> in Tennessee and <strong>Idaho</strong>'s NRTS as the interim sites. 328 Two AEC-<strong>Idaho</strong> scientists, B.<br />

L. Schmalz and W. P. Gammill, wrote to the AEC stressing that the use of the NRTS as a burial ground<br />

be only a temporary measure. They indicated that a potential risk of water table contamination did exist<br />

and that the burial ground would soon be full. They recommended that the AEC investigate sites not<br />

overlying an aquifer. Combined with concerns about the Interim Burial Ground program, officials on and<br />

off the site questioned the wisdom of long-term storage of TRU waste at the NRTS. 329<br />

As the AEC turned its attention to the issue, it required that Oak Ridge and the NRTS coordinate<br />

consistent procedures for land burial. No liquid waste was permitted, and fissionable material was closely<br />

supervised. Two major improvements in environmental monitoring were also implemented: increased<br />

subsurface monitoring by a system of ten monitoring holes around portions of the burial ground; and film<br />

badges placed around the perimeter to monitor direct radiation levels.<br />

A special burial arrangement was made at a site outside of the official burial ground. An accident<br />

occurred at SL-1 in the ARA in January 1961, killing three men and damaging the reactor and much of<br />

the equipment in the reactor room. After a safety analysis indicated that it would be more hazardous to<br />

transport the debris to the burial ground than dispose of it closer to the site of the accident, a separate<br />

325. H.R. Zietlin, E. D. Arnold and J. W. Ullmann [Chemical Technology Division, Oak Ridge <strong>National</strong> <strong>Laboratory</strong>, Oak Ridge, Tenn.],<br />

“Economics of Waste Disposal, Manual on Nuclear Reactor Facilities (New York: McGraw-Hill); and Nucleonics (1957), p. 101,<br />

103-104.<br />

326. Anderson, History of the RWMC, p. 22-27. Anderson refers to the manual as an “AEC-ID Manual Chapter 0500-7.”<br />

327. Anderson, History of the RWMC, p. 33.<br />

328. “West Coast Firm Attacks AEC Waste-Disposal Policy,” Nucleonics (July 1960), p. 30; and “Luedecke Reaffirms AEC's Land<br />

Burial Waste Policy,” Nucleonics (August 1960), p. 31.<br />

329. Horan, Wehmann, Schmalz, p. 17-18; see also Anderson's Notes Nos. 1, 2, and 22.<br />

279

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