GREEN ZONE: Anthrax Pyramid Green Zone Workplaces Where Contamination with Anthrax Spores Is Unlikely
This zone covers the vast majority of workplaces in the United States. Since October 2001, anthrax spores have only been discovered in a very limited number of workplaces.

PRUDENT WORK PRACTICES

Establish procedures for safe handling of mail and packages. Employees should:
  • Be on the lookout for suspicious envelopes or packages.
  • NOT open suspicious mail!
  • Open mail with a letter opener or another method that minimizes skin contact with the mail and is least likely to disturb contents.
  • Open mail with a minimum amount of movement.
  • Not blow into envelopes.
  • Keep hands away from nose and mouth while opening mail.
  • Turn off fans, portable heaters, and other equipment that may create air currents while opening mail.
  • Wash hands after handling mail.

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