Are there some areas in the postal setting that present a greater risk to some workers than others for anthrax exposure?
• People working with or near machinery capable of generating aerosolized particles, such as electronic mail sorters, or at other work sites where such particles may be generated should be fitted with NIOSH-approved respirators that are at least as protective as an N95 respirator. • People working in areas where oil mist from machinery is present should be fitted with respirators equipped with P-type filters. • Because facial hair interferes with the fit of protective respirators, workers with facial hair like beards or large moustaches may require alternative respirators such as powered air-purifying respirators [PAPRs] with loose-fitting hoods. • Workers who cannot be fitted properly with a half-mask respirator based on a fit test may require the use of alternative respirators, such as full facepiece, negative-pressure respirators, PAPRs equipped with HEPA filters, or supplied-air respirators. • If a worker is medically unable to wear a respirator, the employer should consider reassi