Corrective Action Decision Document for Corrective Action Unit 165: Area 25 and 26 Dry Well and Washdown Areas, Nevada Test Site, Nevada (Rev.1)
The CAU consists of a variety of CASs, including a dry well, surface outfall, two septic systems, three decontamination pads, and a reservoir with an earthen drain. All CASs within CAU 165 were found to be as described in the Corrective Action Investigation Plan (CAIP) with the exception of CASs 25-20-01 and 25-51-02. An additional inlet pipe was discovered entering the CAS 25-20-01 dry well from the east. The collection system pipe associated with CAS 25-51-02 was found to have a surface outfall rather than a dry well for a release point. The updates to these CASs are addressed in Record of Technical Change (ROTC) Number 3 to the CAIP. This CADD develops and evaluates potential corrective action alternatives and provides a rationale for the selection of a recommended corrective action alternative for each CAS within CAU 165. The need for evaluation of corrective action alternatives is based on process knowledge and the results of investigative activities conducted in accordance with the CAIP. The Corrective Action Investigation Plan for Corrective Action Unit 165: Areas 25 and 26 Dry Well and Washdown Areas, Nevada Test Site, Nevada (NNSA/NV, 2002) provides information relating to the history, planning, and scope of the investigation that will not be repeated in this CADD.
- Research Organization:
- Intl. Technologies Corp., Las Vegas, NV (United States); Stoller-Navarro Joint Venture, Las Vegas, NV (United States)
- Sponsoring Organization:
- USDOE Office of Environmental Management (EM); USDOE National Nuclear Security Administration (NNSA)
- DOE Contract Number:
- AC52-03NA99205
- OSTI ID:
- 1877290
- Report Number(s):
- DOE/NV-879-REV.1
- Country of Publication:
- United States
- Language:
- English
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