Author :
Publisher : DIANE Publishing
Page : 46 pages
File Size : 25,73 MB
Release : 2007
Category :
ISBN : 9781422397503
Author : J. O. HONEYMAN
Publisher :
Page : 14 pages
File Size : 11,58 MB
Release : 2004
Category :
ISBN :
The US Department of Energy (DOE) is constructing the Hanford Waste Treatment Plant which is the largest waste pretreatment and vitrification facility in the world. This massive facility will begin commissioning operations in 2009, with full scale production beginning in 2011. While this facility will provide a much needed waste treatment capability to meet the department accelerated cleanup goals for closure of the Hanford waste tank systems, it alone will not provide enough capacity to complete the waste treatment mission by the 2028 regulatory milestone. The 53 million gallons of radioactive waste remaining in Hanford's 177 single-shell tanks (SST) and double-shell tanks (DST) present a broad range of radiochemical and chemical contents. The US Department of Energy, Office of River Protection (ORP) has established a strategy for waste retrieval and waste treatment that recognizes that all tank waste is not identical, and that other processes can be utilized to safely and economically treat tank waste for ultimate disposal. The ORP is pursuing a 3-tiered strategy to define, develop, and deploy treatment capability that will meet the 2028 waste treatment milestone. Ultimately, by tailoring the treatment process to the actual waste being processed, economies and efficiencies can be exploited to improve the overall treatment approach. In the end, DOE expects that each of the three elements will process waste as follows: (1) Transuranic (TRU) waste packaging and disposal will treat about 2 percent of the total waste sodium; (2) Supplemental treatment will account for about 47 percent of the low-activity waste (LAW) waste sodium; and (3) The Waste Treatment Plant will process about 53 percent of the LAW waste sodium and 100 percent of the high-level waste (HLW).
Author : National Academies of Sciences, Engineering, and Medicine
Publisher : National Academies Press
Page : 131 pages
File Size : 20,7 MB
Release : 2020-03-30
Category : Technology & Engineering
ISBN : 0309672910
The U.S. Department of Energy's Office of Environmental Management is responsible for managing and cleaning up the waste and contamination at the Hanford Nuclear Reservation, the nation's biggest and most complex nuclear cleanup challenge. At the site, 177 underground tanks collectively contain about 211 million liters of waste that includes high-activity and low-activity materials. At the request of Congress, Final Review of the Study on Supplemental Treatment Approaches of Low-Activity Waste at the Hanford Nuclear Reservation: Review #4 focuses on approaches for treatment and disposal of the supplemental portion of the low-activity waste from the tanks. This review report discusses developments since the publication of Review #3 and provides a summary of public comments on the third committee review report. The authoring committee then shares their views on these comments and whether they change any of the findings or recommendations in the third review report.
Author : United States Government Accountability Office
Publisher : Createspace Independent Publishing Platform
Page : 82 pages
File Size : 14,1 MB
Release : 2017-10-07
Category :
ISBN : 9781977960900
for treating 56 million gallons of radioactive waste held in underground tanks at the Hanford site in Washington State. The WTP is being constructed under a design-build contract and has a history of technical and management challenges. DOE stopped construction in 2012 on parts of the WTP, including the Pretreatment facility, pending resolution of these challenges and has stated that several milestones will likely be missed. In September 2013, DOE proposed a waste treatment strategy that may allow some waste to be treated before resolving WTP's technical issues, including construction of two new facilities. Senate Report 113-44 accompanying the National Defense Authorization Act for Fiscal Year 2014 included a provision for GAO to examine the status of construction and operations at the WTP. This report examines (1) how DOE's two new proposed facilities help achieve Hanford's waste treatment mission and how they were selected, (2) the extent to which DOE's estimated costs and schedules for constructing the facilities meet best practices for reliable estimates, and (3) the extent to which technical and management challenges continue to affect the WTP. GAO reviewed DOE and contractor data and documents.
Author :
Publisher : DIANE Publishing
Page : 28 pages
File Size : 28,32 MB
Release : 2007
Category :
ISBN : 9781422396810
Author : National Academies of Sciences, Engineering, and Medicine
Publisher : National Academies Press
Page : 55 pages
File Size : 15,67 MB
Release : 2018-06-08
Category : Science
ISBN : 0309475155
In 1943, as part of the Manhattan Project, the Hanford Nuclear Reservation was established with the mission to produce plutonium for nuclear weapons. During 45 years of operations, the Hanford Site produced about 67 metric tonnes of plutoniumâ€"approximately two-thirds of the nation's stockpile. Production processes generated radioactive and other hazardous wastes and resulted in airborne, surface, subsurface, and groundwater contamination. Presently, 177 underground tanks contain collectively about 210 million liters (about 56 million gallons) of waste. The chemically complex and diverse waste is difficult to manage and dispose of safely. Section 3134 of the National Defense Authorization Act for Fiscal Year 2017 calls for a Federally Funded Research and Development Center (FFRDC) to conduct an analysis of approaches for treating the portion of low-activity waste (LAW) at the Hanford Nuclear Reservation intended for supplemental treatment. The first of four, this report reviews the analysis carried out by the FFRDC. It evaluates the technical quality and completeness of the methods used to conduct the risk, cost benefit, schedule, and regulatory compliance assessments and their implementations; waste conditioning and supplemental treatment approaches considered in the assessments; and other key information and data used in the assessments.
Author :
Publisher : DIANE Publishing
Page : 60 pages
File Size : 11,66 MB
Release :
Category :
ISBN : 9781422324912
Author : United States. General Accounting Office
Publisher :
Page : 66 pages
File Size : 11,79 MB
Release : 1993
Category : Radioactive waste disposal
ISBN :
Author : David C. Trimble
Publisher :
Page : 82 pages
File Size : 39,98 MB
Release : 2015-06-18
Category :
ISBN : 9781457868542
The Waste Treatment and Immobilization Plant (WTP) is a key part of the Department of Energy's (DOE's) strategy for treating 56 million gallons of radioactive waste held in underground tanks at the Hanford site in Washington state. DOE stopped construction in 2012 on parts of the WTP, pending resolution of technical and management challenges, and has stated that several milestones will likely be missed. In Sept. 2013, DOE proposed a waste treatment strategy that may allow some waste to be treated before resolving WTP's technical issues, including construction of two new facilities. This report examines (1) how DOE's two new proposed facilities help achieve Hanford's waste treatment mission and how they were selected; (2) the extent to which estimated costs and schedules meet best practices for reliable estimates; and (3) the extent to which technical and management challenges continue to affect the WTP. Tables and figure. This is a print on demand report.
Author : United States Government Accountability Office
Publisher : Createspace Independent Publishing Platform
Page : 48 pages
File Size : 11,18 MB
Release : 2017-09-15
Category :
ISBN : 9781976395376
In December 2000, the Department of Energy (DOE) awarded Bechtel National, Inc. (Bechtel) a contract to design and construct the Waste Treatment Plant (WTP), one of the largest nuclear waste cleanup projects in the nation. Originally expected to cost $4.3 billion and be completed in 2011, DOE now estimates that WTP will cost over $12.2 billion and be completed in late 2019. Weaknesses in DOE's management and oversight of contractors led GAO to designate DOE contract management as a high-risk area since 1990. GAO was asked to determine whether (1) DOE's internal controls are designed to provide reasonable assurance against improper WTP payments and (2) DOE's controls reasonably ensure proper accountability for WTP assets. GAO reviewed fiscal year 2005 and 2006 internal controls by analyzing data and documents, interviewing DOE and contractor staff, and physically observing property items.
