Add time:08/16/2019         Source:sciencedirect.com

As part of the Department of Health and Human Services's (DHHS's) responsibility for the oversight of safety and health during the destruction of obsolete chemical warfare munitions and agent stockpiles by the Department of Defense (DOD), investigators from the National Institute for Occupational Safety and Health (NIOSH) have conducted research on air monitoring methods that the Department of Defense uses for measuring the workplace and environmental concentrations of chemical warfare agents.This paper concerns work on part of this research which was aimed at evaluating sorbents for the collection of the blister agent bis(2-chloroethyl) sulfide, known as mustard or HD, from air. Twenty-three sorbents were screened and compared to Tenax, the currently-used sorbent. A screening technique based on the assumption that the sorbents would behave like chromatographic columns was used to select those whose predicted retention volumes at ambient temperature were greater than or equal to that of Tenax. Two promising alternatives were found from the screening experiments. Further testing of those two sorbents, however, uncovered other problems with their use for the collection and recovery of HD which made them unsuitable. The screening technique was shown to be useful for comparison only and did not predict the capacities of sorbents accurately.

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