Page 11 of 13REGISTRATIONThe National Institute for Occupational Safety and Health (NIOSH) requests, but does not require,that purchasers of this respirator register each unit with NIOSH. Registration will enable NIOSH,which approved this model of respirator, to attempt to notify you if a problem is discovered thatmight affect the safety or performance of this respirator. Registration will also assist NIOSH inlocating deployed units to periodically evaluate whether this respirator model is remaining effectiveunder field conditions of storage and use.