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Homeland Security and the Indoor Environment

The Department of Health and Human Services (DHHS) has released new guidelines for protecting ventilation systems in commercial and government buildings from chemical, biological and radiological attacks. The guidelines provide recommendations that address the physical security of ventilation systems, airflow and filtration, systems maintenance, program administration and maintenance staff training.

"Guidance for Protecting Building Environments from Airborne Chemical, Biological, or Radiological Attacks," DHHS (NIOSH) Publication No. 2002-139, is available on the NIOSH web page or through the EPA website www.epa.gov/iaq. Copies can also be obtained by calling the NIOSH toll-free information number 1-800-356-4674.


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