Review and Evaluation of Alternative Chemical Disposal Technologies (1996) / Chapter Skim
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2 EVALUATION FACTORS
2 EVALUATION FACTORS
Pages 15-21
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From page 15... ...
What are the impacts of implementation of an alternative technology on the schedule for stockpile destruction? ~ Total risk is the cumulative adverse consequences from all relevant risks for example, storage, transport, and processing risks-over the full remaining duration of the stockpile's existence and the stockpile disposal program.
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From page 16... ...
At the pilot scale, precise mass and energy balances become essential, along with quantitative characterizations of how key process variables affect outcomes. The documentation for a pilot design must be complete enough for a preliminary assessment of risks related to the hazard inventory (e.g., agent concentrations at each process step, reactive materials, pressure)
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From page 17... ...
The toxicity of reaction products must be low enough that unwanted process residuals can be managed through aqueous discharge to a conventional wastewater treatment facility, disposed as solid waste in a landfill appropriate for the toxicity of the waste, released as allowable atmospheric emissions, or some combination of these three release routes. In legal terms, the concentrations and toxicities of the materials in aqueous, solid, slurry, or gaseous residual streams must fall below the limits set by the environmental permits needed to operate the agent-destruction facility and any downstream waste-management facilities.
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From page 18... ...
Applicability for Treating Other Wastes Use of an alternative technology that is broadly applicable to treating common industrial wastes (including hazardous waste) is a concern to some in the communities near stockpile sites who fear the facility could be readily converted for treating additional wastes imported from off site, once stockpile destruction is completed.
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From page 19... ...
As explained in Chapter 1, the pane} insisted that the Army obtain preliminary accidental-release risk assessments for the alternative 19 technologies as input to the decision to be made by the Defense Acquisition Board on pilot-testing one or more alternative technologies. The panel's view of the scope appropriate to these very preliminary and qualitative assessments is discussed below, under Risk Assessments prior to the Pilot-Testing Decision.
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From page 20... ...
The Army is currently assessing the storage risks at all stockpile sites in the continental United States and may consider reconfiguring individual stockpiles based on the results of the evaluation. EVALUATION OF ALTERNATIVE TECHNOLOGIES Risk Assessments prior to the Pilot-Testing Decision Before any technology is implemented at a stockpile site, two site-specific risk assessments will be required: a comprehensive quantitative risk assessment in which the likelihood of events leading to the unintended release of agent or toxic materials and the consequences of such a release are analyzed, followed by a health and environmental risk assessment in which the potential consequences of accidental or continuing Tow-leve!
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From page 21... ...
Public opposition, regulatory review, and permitting requirements can cause significant delays in the implementation schedule, but informed public acceptance and support can help to overcome regulatory or statutory hurdles. The actual time required to implement a system and eliminate the stockpile will not only affect compliance with the CWC but will also significantly affect the overall risk at each site, because storage risk depends on the duration of storage.
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