Corrective Action Decision Document for Corrective Action Unit 407: Roller Coaster RADSAFE Area, Tonopah Test Range, Nevada

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Description

This Corrective Action Decision Document identifies and rationalizes the U.S. Department of Energy, Nevada Operations Office's selection of a recommended corrective action alternative (CAA) appropriate to facilitate the closure of Corrective Action Unit (CAU) 407, Roller Coaster RADSAFE Area (RCRSA), under the Federal Facility Agreement and Consent Order. Located on Tonopah Test Range (TTR), CAU 407 is located approximately 140 miles northwest of Las Vegas, Nevada, and five miles south of Area 3. The RCRSA was used during May and June of 1963 to decontaminate vehicles, equipment, and personnel from the Clean Slate tests. As a result of these operations, ... continued below

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5,289 Kilobytes pages

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United States. Department of Energy. Nevada Operations Office. September 24, 1999.

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This report is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 27 times . More information about this report can be viewed below.

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  • IT Corporation
    Publisher Info: IT Corporation, Las Vegas, NV (United States)
    Place of Publication: Las Vegas, Nevada

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Description

This Corrective Action Decision Document identifies and rationalizes the U.S. Department of Energy, Nevada Operations Office's selection of a recommended corrective action alternative (CAA) appropriate to facilitate the closure of Corrective Action Unit (CAU) 407, Roller Coaster RADSAFE Area (RCRSA), under the Federal Facility Agreement and Consent Order. Located on Tonopah Test Range (TTR), CAU 407 is located approximately 140 miles northwest of Las Vegas, Nevada, and five miles south of Area 3. The RCRSA was used during May and June of 1963 to decontaminate vehicles, equipment, and personnel from the Clean Slate tests. As a result of these operations, the surface and subsurface soils in the area have been impacted by plutonium and other contaminants of potential concern associated with decontamination activities. In June and July 1998, corrective action investigation activities were performed at CAU 407 (as outlined in the related Corrective Action Investigation Plan [CAIP]). The purpose of this investigation was to determine if any analytes were present at the site in concentrations above the preliminary action levels (PALs). The results indicated in the detection of plutonium above the PAL in samples taken from surface and subsurface soil within the exclusion zone, and uranium and americium detected above the PAL in samples taken from surface soil within the exclusion zone. No other COCs were identified above PALs specified in the CAIP. Based on this data, two corrective action objectives (CAOs) were defined: (1) to prevent or mitigate human exposure to surface and subsurface soil containing COCs, and (2) to prevent adverse impacts to groundwater quality. To accomplish these objectives, five CAAs were developed and evaluated. Based on the results of the detailed and comparative analysis of these alternatives, Alternative 3 (Partial Excavation, Disposal, and Administrative Controls With a Surface Cap) was chosen as the preferred alternative. This alternative was judged to meet all requirements for the technical components evaluated, the applicable state and federal regulations for closure of the site, the CAOs under DOE Order 5400.5 and 10 Code of Federal Regulations 20, and the reduction of potential future exposure pathways to subsurface contaminated soil.

Physical Description

5,289 Kilobytes pages

Notes

INIS; OSTI as DE00760466

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  • Other Information: PBD: 24 Sep 1999

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  • Report No.: DOE/NV--567
  • Grant Number: AC08-97NV13052
  • DOI: 10.2172/760466 | External Link
  • Office of Scientific & Technical Information Report Number: 760466
  • Archival Resource Key: ark:/67531/metadc718584

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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Creation Date

  • September 24, 1999

Added to The UNT Digital Library

  • Sept. 29, 2015, 5:31 a.m.

Description Last Updated

  • Sept. 22, 2017, 2:48 p.m.

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United States. Department of Energy. Nevada Operations Office. Corrective Action Decision Document for Corrective Action Unit 407: Roller Coaster RADSAFE Area, Tonopah Test Range, Nevada, report, September 24, 1999; Las Vegas, Nevada. (digital.library.unt.edu/ark:/67531/metadc718584/: accessed July 18, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.