Statement of Standard for Chemical, Biological, Radiological, and Nuclear (CBRN) Full Facepiece Air Purifying Respirator (APR)
March 7, 2003
Revision 1; March 17, 2003
Revision 2; April 4, 2003
Fig. 1 Updated; January 30, 2004
The purpose of this standard is to specify minimum requirements to determine the effectiveness of full facepiece air purifying respirators (APR) used during entry into chemical, biological, radiological, and nuclear (CBRN) atmospheres not immediately dangerous to life or health.