Environmental Engineering Reference
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FIGURE 2-4 Major hydrolysis pathways for mustard.
Source: Munro et al., 1999.
Some HD degradation products retain considerable tox-
icity, including, in some cases, vesicant action. Ex-
amples include mustard and hemimustard-thiodiglycol
aggregates, mustard sulfone, and divinyl sulfone
(Munro et al., 1999).
A more complete description of the hydrolysis reac-
tions involving these and other chemical agents and of
the toxicities of the products can be found in Munro et
al. (1999). Impurities found in ton containers of mus-
tard at Aberdeen include 1,2-dichloroethane, trichloro-
ethylene, tetrachloroethylene, 1,1,2,2-tetrachloroet-
hane, and hexachloroethane, all of which may be
subject to state and federal hazardous waste regulations
(Munro et al., 1999). The Army's current plan is to
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