Assessment of Processing Gelled GB M55 Rockets at Anniston (2003) / Chapter Skim
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Executive Summary
Executive Summary
Pages 1-6
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ANCDF, with minor changes, is patterned after those two facilities, the Johnston Atoll Chemical Agent Disposal System (JACADS) and the Tooele Chemical Agent Disposal Facility (TOCDF)
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From page 2... ...
Altogether, the combustibles in each rocket agent, burster charge, fuze components, propellant, and epoxy resin in the fiberglass shipping tube weigh about 40 lb. GB M55 rockets carry the highest risk potential of any chemical stockpile munitions.
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From page 3... ...
The committee suggests the Army proceed at the Pine Bluff and Umatilla sites under existing permit applications, which (as in the case of TOCDF) provide for a processing rate in the DFS based on agent loadings from processing rockets with no more than a 5 percent agent heel.
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From page 4... ...
When downtime is taken into account, the actual average rate for processing gelled rockets over the entire campaign was approximately 0.6 rockets per hour. To speed destruction of the entire inventory of GB munitions at the Deseret Chemical Depot at Tooele, TOCDF management developed the concept of "coprocessing." While gelled rockets were being processed through the DFS, GB projectiles, reconfigured to remove the energetics, were coprocessed through the LIC and MPF.
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From page 5... ...
Levels of cadmium, lead, and mercury exceeded regulatory limits when the PFS was not in service during some of the surrogate trial burns, but it will be placed in service during agent operations. The surrogate trial burn demonstration, which fed combustibles through the DFS equivalent to the weight of combustibles in 15 gelled rockets per hour, suggests that a larger number of rockets containing gelled agent can be safely processed per hour than were processed at TOCDF.
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From page 6... ...
If the assumptions made in developing the risk estimates in the QRA are accepted and the inherent uncerASSESSMENT OF PROCESSING GELLED GB M55 ROCKETS AT ANNISTON tainty surrounding such estimates and the trade-offs between public and worker risk are taken into account, it is not possible to differentiate meaningfully between the processing plan options based on calculated risk alone. The committee therefore recommends that the modified plan be undertaken with precautionary rampup of the production rate until a safe upper production limit is established or the maximum permitted rate is achieved.
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