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Additional Resources and Technical Support

Additional Resources

NIOSH Pocket Guide to Chemical Hazards
A source of general industrial hygiene information on several hundred chemicals/classes for workers, employers, and occupational health professionals.

Anthropometric Data and ISO Digital Headforms
Using data collected in a 2003 survey, parameters for headforms in five size categories were developed. The 2D and 3D data is available from NIOSH.

Saving Lives: Building a Better Face Mask
Video featuring NIOSH NPPTL research to build a better face mask using facial measurements.

Certified Equipment List (CEL)
A searchable list of commercially-available, respiratory personal protective devices approved by NIOSH to meet the requirements of Title 42, Code of Federal Regulations, Part 84.

Letters to All Manufacturers and Interested Parties
Official letters announcing public meetings, new requirements, NIOSH policies, and other relevant information for our stakeholders.

Technical Support

Technical support is available by calling 412-386-4000 or by Email at