Review Of Chemical Agent Secondary Waste Disposal And Regulatory Requirements

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Review of Chemical Agent Secondary Waste Disposal and Regulatory Requirements

Author : National Research Council,Division on Engineering and Physical Sciences,Board on Army Science and Technology,Committee on Review of Chemical Agent Secondary Waste Disposal and Regulatory Requirements
Publisher : National Academies Press
Page : 92 pages
File Size : 48,7 Mb
Release : 2007-07-13
Category : Political Science
ISBN : 9780309179843

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Review of Chemical Agent Secondary Waste Disposal and Regulatory Requirements by National Research Council,Division on Engineering and Physical Sciences,Board on Army Science and Technology,Committee on Review of Chemical Agent Secondary Waste Disposal and Regulatory Requirements Pdf

Under the direction of the U.S. Army's Chemical Materials Agency (CMA) and mandated by Congress, the nation is destroying its chemical weapons stockpile. Large quantities of secondary waste are being generated in the process, and managing these wastes safely and effectively is a critical part of CMA's weapons disposal program. To assist, the CMA asked the NRC to examine the environmental and regulatory requirements that secondary waste treatment is subject to, and to assess best practices by industry in meeting such requirements for similar facilities. This book presents an overview of secondary wastes from chemical agent disposal facilities (CDF), a comparison of CDF and industry experience, site-specific analysis of major secondary waste issues, an examination of closure wastes, and findings and recommendations.

Review of Secondary Waste Disposal Planning for the Blue Grass and Pueblo Chemical Agent Destruction Pilot Plants

Author : National Research Council,Division on Engineering and Physical Sciences,Board on Army Science and Technology,Committee to Review Secondary Waste Disposal and Regulatory Requirements for the Assembled Chemical Weapons Alternatives Program
Publisher : National Academies Press
Page : 84 pages
File Size : 53,6 Mb
Release : 2008-12-14
Category : Political Science
ISBN : 9780309120500

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Review of Secondary Waste Disposal Planning for the Blue Grass and Pueblo Chemical Agent Destruction Pilot Plants by National Research Council,Division on Engineering and Physical Sciences,Board on Army Science and Technology,Committee to Review Secondary Waste Disposal and Regulatory Requirements for the Assembled Chemical Weapons Alternatives Program Pdf

The U.S. Army Program Manager for Assembled Chemical Weapons Alternatives (PMACWA) is charged with disposing of chemical weapons as stored at two sites: Pueblo, Colorado, and Blue Grass, Kentucky. In accordance with congressional mandates, technologies other than incineration are to be used if they are as safe and as cost effective. The weapons are to be disposed of in compliance with the Chemical Weapons Convention. Although an element of the U.S. Army, the PMACWA is responsible to the Assistant Secretary of Defense for Acquisitions, Technology, and Logistics for completing this mission. This book deals with the expected significant quantities of secondary wastes that will be generated during operations of the facilities and their closure. While there are only estimates for the waste quantities that will be generated, they provide a good basis for planning and developing alternatives for waste disposal while the plants are still in the design phase. Establishing efficient disposal options for the secondary wastes can enable more timely and cost-effective operation and closure of the facilities.

Review of Secondary Waste Disposal Planning for the Blue Grass and Pueblo Chemical Agent Destruction Pilot Plants

Author : National Research Council,Division on Engineering and Physical Sciences,Board on Army Science and Technology,Committee to Review Secondary Waste Disposal and Regulatory Requirements for the Assembled Chemical Weapons Alternatives Program
Publisher : National Academies Press
Page : 84 pages
File Size : 46,8 Mb
Release : 2008-11-14
Category : Political Science
ISBN : 9780309178532

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Review of Secondary Waste Disposal Planning for the Blue Grass and Pueblo Chemical Agent Destruction Pilot Plants by National Research Council,Division on Engineering and Physical Sciences,Board on Army Science and Technology,Committee to Review Secondary Waste Disposal and Regulatory Requirements for the Assembled Chemical Weapons Alternatives Program Pdf

The U.S. Army Program Manager for Assembled Chemical Weapons Alternatives (PMACWA) is charged with disposing of chemical weapons as stored at two sites: Pueblo, Colorado, and Blue Grass, Kentucky. In accordance with congressional mandates, technologies other than incineration are to be used if they are as safe and as cost effective. The weapons are to be disposed of in compliance with the Chemical Weapons Convention. Although an element of the U.S. Army, the PMACWA is responsible to the Assistant Secretary of Defense for Acquisitions, Technology, and Logistics for completing this mission. This book deals with the expected significant quantities of secondary wastes that will be generated during operations of the facilities and their closure. While there are only estimates for the waste quantities that will be generated, they provide a good basis for planning and developing alternatives for waste disposal while the plants are still in the design phase. Establishing efficient disposal options for the secondary wastes can enable more timely and cost-effective operation and closure of the facilities.

Review of Closure Plans for the Baseline Incineration Chemical Agent Disposal Facilities

Author : National Research Council,Division on Engineering and Physical Sciences,Board on Army Science and Technology,Committee to Review and Assess Closure Plans for the Tooele Chemical Agent Disposal Facility and the Chemical Agent Munitions Disposal System
Publisher : National Academies Press
Page : 106 pages
File Size : 45,7 Mb
Release : 2011-01-02
Category : Science
ISBN : 9780309158589

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Review of Closure Plans for the Baseline Incineration Chemical Agent Disposal Facilities by National Research Council,Division on Engineering and Physical Sciences,Board on Army Science and Technology,Committee to Review and Assess Closure Plans for the Tooele Chemical Agent Disposal Facility and the Chemical Agent Munitions Disposal System Pdf

This book responds to a request by the director of the U.S. Army Chemical Materials Agency (CMA) for the National Research Council to examine and evaluate the ongoing planning for closure of the four currently operational baseline incineration chemical agent disposal facilities and the closure of a related testing facility. The book evaluates the closure planning process as well as some aspects of closure operations that are taking place while the facilities are still disposing of agent. These facilities are located in Anniston, Alabama; Pine Bluff, Arkansas; Tooele, Utah; and Umatilla, Oregon. They are designated by the acronyms ANCDF, PBCDF, TOCDF, and UMCDF, respectively. Although the facilities all use the same technology and are in many ways identical, each has a particular set of challenges.

Closure and Johnston Atoll Chemical Agent Disposal System

Author : National Research Council,Division on Engineering and Physical Sciences,Board on Army Science and Technology,Committee on Review and Evaluation of the Army Chemical Stockpile Disposal Program
Publisher : National Academies Press
Page : 86 pages
File Size : 43,6 Mb
Release : 2002-05-22
Category : Science
ISBN : 9780309084055

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Closure and Johnston Atoll Chemical Agent Disposal System by National Research Council,Division on Engineering and Physical Sciences,Board on Army Science and Technology,Committee on Review and Evaluation of the Army Chemical Stockpile Disposal Program Pdf

Johnston Atoll Chemical Agent Disposal System (JACADS), the first fully integrated chemical agent disposal facility, is located on Johnston Island some 800 miles southwest of Hawaii. JACADS completed ten years of operations in November 2000, which resulted in the disposal of more than 2000 tons of nerve and mustard agents. In 1998, the Army began planning for closure and dismantling of the facility. In 1999, the NRC was asked to review the Army's planning. This book presents an assessment of planned and ongoing closure activities on Johnston Island in some detail. It also provides an analysis of the likely implications for closure of disposal facilities at eight continental U.S. storage sites.

Disposal of Activated Carbon from Chemical Agent Disposal Facilities

Author : National Research Council,Division on Engineering and Physical Sciences,Board on Army Science and Technology,Committee to Examine the Disposal of Activated Carbon from the Heating, Ventilation, and Air Conditioning Systems at Chemical Agent Disposal Facilities
Publisher : National Academies Press
Page : 86 pages
File Size : 42,5 Mb
Release : 2009-10-08
Category : Science
ISBN : 9780309138185

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Disposal of Activated Carbon from Chemical Agent Disposal Facilities by National Research Council,Division on Engineering and Physical Sciences,Board on Army Science and Technology,Committee to Examine the Disposal of Activated Carbon from the Heating, Ventilation, and Air Conditioning Systems at Chemical Agent Disposal Facilities Pdf

For the last two decades, the United States has been destroying its entire stockpile of chemical agents. At the facilities where these agents are being destroyed, effluent gas streams pass through large activated carbon filters before venting to ensure that any residual trace vapors of chemical agents and other pollutants do not escape into the atmosphere in exceedance of regulatory limits. All the carbon will have to be disposed of for final closure of these facilities to take place. In March 2008, the Chemical Materials Agency asked the National Research Council to study, evaluate, and recommend the best methods for proper and safe disposal of the used carbon from the operational disposal facilities. This volume examines various approaches to handling carbon waste streams from the four operating chemical agent disposal facilities. The approaches that will be used at each facility will ultimately be chosen bearing in mind local regulatory practices, facility design and operations, and the characteristics of agent inventories, along with other factors such as public involvement regarding facility operations.

Evaluation of Safety and Environmental Metrics for Potential Application at Chemical Agent Disposal Facilities

Author : National Research Council,Division on Engineering and Physical Sciences,Board on Army Science and Technology,Committee on Evaluation of the Safety and Environmental Metrics for Potential Application at Chemical Agent Disposal Facilities
Publisher : National Academies Press
Page : 50 pages
File Size : 40,7 Mb
Release : 2009-07-15
Category : Science
ISBN : 9780309130929

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Evaluation of Safety and Environmental Metrics for Potential Application at Chemical Agent Disposal Facilities by National Research Council,Division on Engineering and Physical Sciences,Board on Army Science and Technology,Committee on Evaluation of the Safety and Environmental Metrics for Potential Application at Chemical Agent Disposal Facilities Pdf

By the end of 2009, more than 60 percent of the global chemical weapons stockpile declared by signatories to the Chemical Weapons Convention will have been destroyed, and of the 184 signatories, only three countries will possess chemical weapons-the United States, Russia, and Libya. In the United States, destruction of the chemical weapons stockpile began in 1990, when Congress mandated that the Army and its contractors destroy the stockpile while ensuring maximum safety for workers, the public, and the environment. The destruction program has proceeded without serious exposure of any worker or member of the public to chemical agents, and risk to the public from a storage incident involving the aging stockpile has been reduced by more than 90 percent from what it was at the time destruction began on Johnston Island and in the continental United States. At this time, safety at chemical agent disposal facilities is far better than the national average for all industries. Even so, the Army and its contractors are desirous of further improvement. To this end, the Chemical Materials Agency (CMA) asked the NRC to assist by reviewing CMA's existing safety and environmental metrics and making recommendations on which additional metrics might be developed to further improve its safety and environmental programs.

Review Criteria for Successful Treatment of Hydrolysate at the Blue Grass Chemical Agent Destruction Pilot Plant

Author : National Academies of Sciences, Engineering, and Medicine,Division on Engineering and Physical Sciences,Board on Army Science and Technology,Committee on Review Criteria for Successful Treatment of Hydrolysate at the Pueblo and Blue Grass Chemical Agent Destruction Pilot Plants
Publisher : National Academies Press
Page : 102 pages
File Size : 41,9 Mb
Release : 2015-10-05
Category : Science
ISBN : 9780309376433

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Review Criteria for Successful Treatment of Hydrolysate at the Blue Grass Chemical Agent Destruction Pilot Plant by National Academies of Sciences, Engineering, and Medicine,Division on Engineering and Physical Sciences,Board on Army Science and Technology,Committee on Review Criteria for Successful Treatment of Hydrolysate at the Pueblo and Blue Grass Chemical Agent Destruction Pilot Plants Pdf

In 1993, the United States signed the Chemical Weapons Convention (CWC), an international treaty outlawing the production, stockpiling, and use of chemical weapons. The chemical weapons stockpiles at five of the U.S. chemical weapons storage sites have now been destroyed. At those sites, the munitions were robotically opened and the chemical agent was removed, collected, and incinerated. One of the remaining sites with chemical weapons stockpiles is the Blue Grass Army Depot near Richmond, Kentucky. In this case, caustic hydrolysis will be used to destroy the agents and energetics, resulting in a secondary waste stream known as hydrolysate. Review Criteria for Successful Treatment of Hydrolysate at the Blue Grass Chemical Agent Destruction Pilot Plant develops criteria for successfully treating the hydrolysate, identifies systemization data that should factor into the criteria/decision process, suggests potential modifications to suggested treatment that would allow continued onsite processing, and assesses waste disposal procedures. This study further examines the possibility of delay or failure of the existing technology and examines possible alternatives to onsite treatment.

Remediation of Buried Chemical Warfare Materiel

Author : National Research Council,Division on Engineering and Physical Sciences,Board on Army Science and Technology,Committee on Review of the Conduct of Operations for Remediation of Recovered Chemical Warfare Materiel from Burial Sites
Publisher : National Academies Press
Page : 139 pages
File Size : 49,8 Mb
Release : 2012-09-21
Category : Technology & Engineering
ISBN : 9780309257909

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Remediation of Buried Chemical Warfare Materiel by National Research Council,Division on Engineering and Physical Sciences,Board on Army Science and Technology,Committee on Review of the Conduct of Operations for Remediation of Recovered Chemical Warfare Materiel from Burial Sites Pdf

As the result of disposal practices from the early to mid-twentieth century, approximately 250 sites in 40 states, the District of Columbia, and 3 territories are known or suspected to have buried chemical warfare materiel (CWM). Much of this CWM is likely to occur in the form of small finds that necessitate the continuation of the Army's capability to transport treatment systems to disposal locations for destruction. Of greatest concern for the future are sites in residential areas and large sites on legacy military installations. The Army mission regarding the remediation of recovered chemical warfare materiel (RCWM) is turning into a program much larger than the existing munition and hazardous substance cleanup programs. The Army asked the Nation Research Council (NRC) to examine this evolving mission in part because this change is significant and becoming even more prominent as the stockpile destruction is nearing completion. One focus in this report is the current and future status of the Non-Stockpile Chemical Material Project (NSCMP), which now plays a central role in the remediation of recovered chemical warfare materiel and which reports to the Chemical Materials Agency. Remediation of Buried Chemical Warfare Materiel also reviews current supporting technologies for cleanup of CWM sites and surveys organizations involved with remediation of suspected CWM disposal sites to determine current practices and coordination. In this report, potential deficiencies in operational areas based on the review of current supporting technologies for cleanup of CWM sites and develop options for targeted research and development efforts to mitigate potential problem areas are identified.

Assessment of Agent Monitoring Strategies for the Blue Grass and Pueblo Chemical Agent Destruction Pilot Plants

Author : National Research Council,Division on Engineering and Physical Sciences,Board on Army Science and Technology,Committee on Assessment of Agent Monitoring Strategies for the Blue Grass and Pueblo Chemical Agent Destruction Pilot Plants
Publisher : National Academies Press
Page : 192 pages
File Size : 45,5 Mb
Release : 2012-09-21
Category : Science
ISBN : 9780309259880

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Assessment of Agent Monitoring Strategies for the Blue Grass and Pueblo Chemical Agent Destruction Pilot Plants by National Research Council,Division on Engineering and Physical Sciences,Board on Army Science and Technology,Committee on Assessment of Agent Monitoring Strategies for the Blue Grass and Pueblo Chemical Agent Destruction Pilot Plants Pdf

January 2012 saw the completion of the U.S. Army's Chemical Materials Agency's (CMA's) task to destroy 90 percent of the nation's stockpile of chemical weapons. CMA completed destruction of the chemical agents and associated weapons deployed overseas, which were transported to Johnston Atoll, southwest of Hawaii, and demilitarized there. The remaining 10 percent of the nation's chemical weapons stockpile is stored at two continental U.S. depots, in Lexington, Kentucky, and Pueblo, Colorado. Their destruction has been assigned to a separate U.S. Army organization, the Assembled Chemical Weapons Alternatives (ACWA) Element. ACWA is currently constructing the last two chemical weapons disposal facilities, the Pueblo and Blue Grass Chemical Agent Destruction Pilot Plants (denoted PCAPP and BGCAPP), with weapons destruction activities scheduled to start in 2015 and 2020, respectively. ACWA is charged with destroying the mustard agent stockpile at Pueblo and the nerve and mustard agent stockpile at Blue Grass without using the multiple incinerators and furnaces used at the five CMA demilitarization plants that dealt with assembled chemical weapons - munitions containing both chemical agents and explosive/propulsive components. The two ACWA demilitarization facilities are congressionally mandated to employ noncombustion-based chemical neutralization processes to destroy chemical agents. In order to safely operate its disposal plants, CMA developed methods and procedures to monitor chemical agent contamination of both secondary waste materials and plant structural components. ACWA currently plans to adopt these methods and procedures for use at these facilities. The Assessment of Agent Monitoring Strategies for the Blue Grass and Pueblo Chemical Agent Destruction Pilot Plants report also develops and describes a half-dozen scenarios involving prospective ACWA secondary waste characterization, process equipment maintenance and changeover activities, and closure agent decontamination challenges, where direct, real-time agent contamination measurements on surfaces or in porous bulk materials might allow more efficient and possibly safer operations if suitable analytical technology is available and affordable.

Review and Assessment of Developmental Issues Concerning the Metal Parts Treater Design for the Blue Grass Chemical Agent Destruction Pilot Plant

Author : National Research Council,Division on Engineering and Physical Sciences,Board on Army Science and Technology,Committee to Review and Assess Developmental Issues Concerning the Metal Parts Treater Design for the Blue Grass Chemical Agent Destruction Pilot Plant
Publisher : National Academies Press
Page : 62 pages
File Size : 48,6 Mb
Release : 2008-04-26
Category : Political Science
ISBN : 9780309115155

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Review and Assessment of Developmental Issues Concerning the Metal Parts Treater Design for the Blue Grass Chemical Agent Destruction Pilot Plant by National Research Council,Division on Engineering and Physical Sciences,Board on Army Science and Technology,Committee to Review and Assess Developmental Issues Concerning the Metal Parts Treater Design for the Blue Grass Chemical Agent Destruction Pilot Plant Pdf

The United States is in the process of destroying its chemical weapons stockpile. In 1996, Congress mandated that DOD demonstrate and select alternative methods to incineration at the Blue Grass and Pueblo sites. The Assembled Chemical Weapons Alternatives (ACWA) program was setup to oversee the development of these methods, and pilot plants were established at both sites. One of the new technologies being developed at the Blue Grass pilot plant are metal parts treaters (MPTs) to be used for the empty metal munitions cases. During recent testing, some issues arose with the MPTs that caused the ACWA to request a review by the NRC to investigate and determine their causes. This book presents a discussion of the MPT system; an assessment of the MPT testing activities; an analysis of thermal testing, modeling, and predicted throughput of the MPT; and an examination of the applicability of munitions treatment units under development at Pueblo for the Blue Grass pilot plant.

Review Criteria for Successful Treatment of Hydrolysate at the Pueblo Chemical Agent Destruction Pilot Plant

Author : National Research Council,Division on Engineering and Physical Sciences,Board on Army Science and Technology,Committee on Review Criteria for Successful Treatment of Hydrolysate at the Pueblo and Blue Grass Chemical Agent Destruction Pilot Plants
Publisher : National Academies Press
Page : 86 pages
File Size : 55,6 Mb
Release : 2015-03-26
Category : Technology & Engineering
ISBN : 9780309317917

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Review Criteria for Successful Treatment of Hydrolysate at the Pueblo Chemical Agent Destruction Pilot Plant by National Research Council,Division on Engineering and Physical Sciences,Board on Army Science and Technology,Committee on Review Criteria for Successful Treatment of Hydrolysate at the Pueblo and Blue Grass Chemical Agent Destruction Pilot Plants Pdf

One of the last two sites with chemical munitions and chemical materiel is the Pueblo Chemical Depot in Pueblo, Colorado. The stockpile at this location consists of about 800,000 projectiles and mortars, all of which are filled with the chemical agent mustard. Under the direction of the Assembled Chemical Weapons Alternative Program (ACWA), the Army has constructed the Pueblo Chemical Agent Destruction Pilot Plant (PCAPP) to destroy these munitions. The primary technology to be used to destroy the mustard agent at PCAPP is hydrolysis, resulting in a secondary waste stream referred to as hydrolysate. PCAPP features a process that will be used to treat the hydrolysate and the thiodiglycol - a breakdown product of mustard - contained within. The process is a biotreatment technology that uses what are known as immobilized cell bioreactors. After biodegradation, the effluent flows to a brine reduction system, producing a solidified filter cake that is intended to be sent offsite to a permitted hazardous waste disposal facility. Water recovered from the brine reduction system is intended to be recycled back through the plant, thereby reducing the amount of water that is withdrawn from groundwater. Although biotreatment of toxic chemicals, brine reduction, and water recovery are established technologies, never before have these technologies been combined to treat mustard hydrolysate. At the request of the U.S. Army, Review Criteria for Successful Treatment of Hydrolysate at the Pueblo Chemical Agent Destruction Pilot Plant reviews the criteria for successfully treating the hydrolysate. This report provides information on the composition of the hydrolysate and describes the PCAPP processes for treating it; discusses stakeholder concerns; reviews regulatory considerations at the federal, state, and local levels; discusses Department of Transportation regulations and identifies risks associated with the offsite shipment of hydrolysate; establishes criteria for successfully treating the hydrolysate and identifies systemization data that should factor into the criteria and decision process for offsite transport and disposal of the hydrolysate; and discusses failure risks and contingency options as well as the downstream impacts of a decision to ship hydrolysate offsite.

Review of International Technologies for Destruction of Recovered Chemical Warfare Materiel

Author : National Research Council,Division on Engineering and Physical Sciences,Board on Army Science and Technology,Committee on Review and Evaluation of International Technologies for the Destruction of Non-Stockpile Chemical Materiel
Publisher : National Academies Press
Page : 128 pages
File Size : 41,9 Mb
Release : 2006-11-02
Category : Technology & Engineering
ISBN : 9780309180511

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Review of International Technologies for Destruction of Recovered Chemical Warfare Materiel by National Research Council,Division on Engineering and Physical Sciences,Board on Army Science and Technology,Committee on Review and Evaluation of International Technologies for the Destruction of Non-Stockpile Chemical Materiel Pdf

The Chemical Weapons Convention requires, among other things, that the signatories to the conventionâ€"which includes the United Statesâ€"destroy by April 29, 2007, or as soon possible thereafter, any chemical warfare materiel that has been recovered from sites where it has been buried once discovered. For several years the United States and several other countries have been developing and using technologies to dispose of this non-stockpile materiel. To determine whether international efforts have resulted in technologies that would benefit the U.S. program, the U.S. Army asked the NRC to evaluate and compare such technologies to those now used by the United States. This book presents a discussion of factors used in the evaluations, summaries of evaluations of several promising international technologies for processing munitions and for agent-only processing, and summaries of other technologies that are less likely to be of benefit to the U.S. program at this time.

Review of Systemization of the Tooele Chemical Agent Disposal Facility

Author : Committee on Review and Evaluation of the Army Chemical Stockpile Disposal Program,Commission on Engineering and Technical Systems,Division on Engineering and Physical Sciences,National Research Council
Publisher : National Academies Press
Page : 135 pages
File Size : 40,9 Mb
Release : 1996-04-02
Category : Science
ISBN : 9780309596718

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Review of Systemization of the Tooele Chemical Agent Disposal Facility by Committee on Review and Evaluation of the Army Chemical Stockpile Disposal Program,Commission on Engineering and Technical Systems,Division on Engineering and Physical Sciences,National Research Council Pdf

In 1993, at Tooele Army Depot, Utah, the Army completed construction of the Tooele Chemical Agent Disposal Facility (TOCDF), the first complete facility for destruction of lethal unitary chemical agents and munitions to be built in the continental United States. The TOCDF will employ the Army's baseline incineration system to destroy the depot's increment of the nation's aging unitary chemical stockpile. This book assesses Army changes and improvements to the TOCDF in response to recommendations contained in earlier reports of the committee. It assesses aspects of the facility's readiness for safe agent handling and destruction operations, its agent monitoring system, and its site specific risk assessment.

Disposal of Activated Carbon from Chemical Agent Disposal Facilities

Author : National Research Council,Division on Engineering and Physical Sciences,Board on Army Science and Technology,Committee to Examine the Disposal of Activated Carbon from the Heating, Ventilation, and Air Conditioning Systems at Chemical Agent Disposal Facilities
Publisher : National Academies Press
Page : 87 pages
File Size : 51,7 Mb
Release : 2009-09-08
Category : Science
ISBN : 9780309144773

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Disposal of Activated Carbon from Chemical Agent Disposal Facilities by National Research Council,Division on Engineering and Physical Sciences,Board on Army Science and Technology,Committee to Examine the Disposal of Activated Carbon from the Heating, Ventilation, and Air Conditioning Systems at Chemical Agent Disposal Facilities Pdf

For the last two decades, the United States has been destroying its entire stockpile of chemical agents. At the facilities where these agents are being destroyed, effluent gas streams pass through large activated carbon filters before venting to ensure that any residual trace vapors of chemical agents and other pollutants do not escape into the atmosphere in exceedance of regulatory limits. All the carbon will have to be disposed of for final closure of these facilities to take place. In March 2008, the Chemical Materials Agency asked the National Research Council to study, evaluate, and recommend the best methods for proper and safe disposal of the used carbon from the operational disposal facilities. This volume examines various approaches to handling carbon waste streams from the four operating chemical agent disposal facilities. The approaches that will be used at each facility will ultimately be chosen bearing in mind local regulatory practices, facility design and operations, and the characteristics of agent inventories, along with other factors such as public involvement regarding facility operations.