After the Postal Service took the recommendation of the Centers for Disease Control to buy nearly 5 million face masks to prevent postal workers from contracting anthrax, the Occupational Safety and Health Administration blocked their use. The Washington Times reports: "According to OSHA officials and regulations, the workers must undergo hours of training and pass a 'fit test' before they can be allowed to use the protective masks, which are like those worn by construction workers who install drywall and can be purchased at hardware stores."

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