By Committee on Assessment of Agent Monitoring Strategies for the Blue Grass and Pueblo Chemical Agent Destruction Pilot Plants, Board on Army Science and Technology, Division on Engineering and Physical Sciences, National Research Council
January 2012 observed the final touch of the U.S. Army's Chemical fabrics Agency's (CMA's) activity to smash ninety percentage of the nation's stockpile of chemical guns. CMA accomplished destruction of the chemical brokers and linked guns deployed in a foreign country, which have been transported to Johnston Atoll, southwest of Hawaii, and demilitarized there. the rest 10 percentage of the nation's chemical guns stockpile is saved at continental U.S. depots, in Lexington, Kentucky, and Pueblo, Colorado. Their destruction has been assigned to a separate U.S. military association, the Assembled Chemical guns possible choices (ACWA) Element.
ACWA is at present developing the final chemical guns disposal amenities, the Pueblo and Blue Grass Chemical Agent Destruction Pilot vegetation (denoted PCAPP and BGCAPP), with guns destruction actions scheduled to begin 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 with out utilizing the a number of incinerators and furnaces used on the 5 CMA demilitarization crops that handled assembled chemical guns - munitions containing either chemical brokers and explosive/propulsive elements. the 2 ACWA demilitarization amenities are congressionally mandated to hire noncombustion-based chemical neutralization tactics to spoil chemical agents.
In order to securely function its disposal vegetation, CMA constructed equipment and strategies to watch chemical agent illness of either secondary waste material and plant structural elements. ACWA at present plans to undertake those equipment and tactics to be used at those amenities. The Assessment of Agent tracking thoughts for the Blue Grass and Pueblo Chemical Agent Destruction Pilot Plants record additionally develops and describes a half-dozen eventualities concerning potential ACWA secondary waste characterization, method apparatus upkeep and changeover actions, and closure agent decontamination demanding situations, the place direct, real-time agent illness measurements on surfaces or in porous bulk fabrics may perhaps permit extra effective and doubtless more secure operations if compatible analytical expertise is out there and affordable.
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Extra resources for Assessment of Agent Monitoring Strategies for the Blue Grass and Pueblo: Chemical Agent Destruction Pilot Plants
Munitions treatment unit (MTU) PCAPP To decontaminate projectile bodies and secondary waste by heating to over 1000F for more than 15 min The front end of this unit will be in a contaminated atmosphere, but the back end, where the metal parts are removed, will not be in a contaminated area. Supercritical water oxidation (SCWO) BGCAPP To treat agent energetics hydrolysates before releasing them for final disposal This unit is outside the agent area fence and will be in a noncontaminated area. Immobilized cell bioreactors (ICBs) PCAPP To treat mustard hydrolysate before releasing it for final disposal This unit is outside the agent area fence and will be in a noncontaminated area.
2. 3. 4. Through a coarse 85-micron particulate filter to remove large particulates. Through a HEPA filter to remove any remaining particulates. Through six banks of carbon filters with air spaces between them. Through a second HEPA filter to catch any carbon particulates escaping from the carbon filters. 5. Through the large induced-draft fan that drives the whole HVAC system by sucking the air out. 6. Up the exhaust stack and into the atmosphere. Each filter bank comprises 48 trays weighing about 100 lb each and containing about 48 lb activated carbon.
The area affected by accidental agent spills is minimized by the sumps constructed around the CAMs and any other vessel that contains agent or hydrolysate. Concrete surfaces have a polymer-based coating to help prevent the agent from being absorbed into them. From this point on in the process, only residual amounts of agent exist in the hydrolysate waste stream. The hydrolysate produced from the neutralization of mustard agent contains thiodiglycol, a major hydrolysis product that must be destroyed to satisfy the Chemical Weapons Convention.
Assessment of Agent Monitoring Strategies for the Blue Grass and Pueblo: Chemical Agent Destruction Pilot Plants by Committee on Assessment of Agent Monitoring Strategies for the Blue Grass and Pueblo Chemical Agent Destruction Pilot Plants, Board on Army Science and Technology, Division on Engineering and Physical Sciences, National Research Council