April 2003
DHHS (NIOSH) Publication Number 2003-136
![cover page for document 2003-136](images/2003-136a.jpg)
Guidance for Filtration and Air-Cleaning Systems to Protect Building Environments from Airborne Chemical, Biological, or Radiological Attacks
This document provides preventive measures that building owners and managers can implement to protect building air environments from a terrorist release of chemical, biological, or radiological contaminants.
This document includes information about:
- Filtration and Air-Cleaning Principles
- Specific recommendations
- Economic Considerations
Contact Us:
- National Institute for Occupational Safety and Health (NIOSH)
- Centers for Disease Control and Prevention
- 800-CDC-INFO
(800-232-4636)
TTY: (888) 232-6348 - New Hours of Operation
8am-8pm ET/Monday-Friday
Closed Holidays - cdcinfo@cdc.gov