[Code of Federal Regulations]
[Title 42, Volume 1]
[Revised as of October 1, 2004]
From the U.S. Government Printing Office via GPO Access
[CITE: 42CFR84.63]

[Page 518]
 
                         TITLE 42--PUBLIC HEALTH
 
    CHAPTER I--PUBLIC HEALTH SERVICE, DEPARTMENT OF HEALTH AND HUMAN 
                                SERVICES
 
PART 84_APPROVAL OF RESPIRATORY PROTECTIVE DEVICES--Table of Contents
 
       Subpart G_General Construction and Performance Requirements
 
Sec. 84.63  Test requirements; general.

    (a) Each respirator and respirator component shall when tested by 
the applicant and by the Institute, and meet the applicable requirements 
set forth in subparts H through L of this part.
    (b) Where a combination respirator is assembled from two or more 
types of respirators, as described in this part, each of the individual 
respirator types which have been combined shall, as applicable, meet the 
minimum requirements for such respirators set forth in subparts H 
through L of this part, and such combination respirators, except as 
specified in Sec. 84.70(b)(2), will be classified by the type of 
respirator in the combination which provides the least protection to the 
user.
    (c) In addition to the minimum requirements set forth in subparts H 
through L of this part, the Institute reserves the right to require, as 
a further condition of approval, any additional requirements deemed 
necessary to establish the quality, effectiveness, and safety of any 
respirator used as protection against hazardous atmospheres.
    (d) Where it is determined after receipt of an application that 
additional requirements will be required for approval, the Institute 
will notify the applicant in writing of these additional requirements, 
and necessary examinations, inspections, or tests, stating generally the 
reasons for such requirements, examinations, inspections, or tests.