Fit Testing Procedures (Mandatory).

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Appendix A to § 1910.134 - Fit Testing Procedures (Mandatory)

Part I. OSHA-Accepted Fit Test Protocols

A. Fit Testing Procedures - General Requirements

The employer shall conduct fit testing using the following procedures. The requirements in this appendix apply to all OSHA-accepted fit test methods, both QLFT and QNFT.

The grimace step in respiratory protection fit-testing procedures.

OSHA requirements are set by statute, standards and regulations. Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employer obligations. This letter constitutes OSHA's interpretation of the requirements discussed. Note that our enforcement guidance may be affected by changes to OSHA rules. Also, from time to time we update our guidance in response to new information. To keep apprised of such developments, you can consult OSHA's website at https://www.osha.gov.

January 4, 1999

Ms. Janice C. Bradley
Industrial Safety Equipment Association
1901 N. Moore St, Suite 808
Arlington, VA 22209

Dear Ms. Bradley:

When to use qualitative or quantitative fit testing; storing SCBAs on fire trucks.

OSHA requirements are set by statute, standards and regulations. Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employer obligations. This letter constitutes OSHA's interpretation of the requirements discussed. Note that our enforcement guidance may be affected by changes to OSHA rules. Also, from time to time we update our guidance in response to new information. To keep apprised of such developments, you can consult OSHA's website at https://www.osha.gov.

November 16, 1998

Dr. Charles E. Truthan, D.O.
Diplomate of the American Osteopathic Board
of Family Physicians
4075 Rum Run Avenue, S.E.
Grand Rapids, MI 49546

Dear Dr. Truthan:

This is in response to your letter received July 22, addressed to the Lansing Area Office of the Occupational Safety and Health Administration (OSHA). You requested clarification of the fit testing and storage requirements of the new Respiratory Protection Standard, 29 CFR 1910.134. We apologize for the long delay of this response.

When to use quantitative and qualitative fit testing.

OSHA requirements are set by statute, standards and regulations. Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employer obligations. This letter constitutes OSHA's interpretation of the requirements discussed. Note that our enforcement guidance may be affected by changes to OSHA rules. Also, from time to time we update our guidance in response to new information. To keep apprised of such developments, you can consult OSHA's website at https://www.osha.gov.

January 15, 1999

Mr. Cass Willard
Paradigm Consulting Group
77 E. Fox Run Circle
Jenks, OK 74037-9504

Dear Mr. Willard:

This is in response to your letter dated September 2, addressed to Mr. John Miles, the former Director of the Occupational Safety and Health Administration's (OSHA's) Directorate of Compliance Programs. You requested clarification of the fit testing requirements of the new Respiratory Protection Standard, 29 CFR 1910.134.

Appendix A requirements and techniques for fit testing respirators.

OSHA requirements are set by statute, standards and regulations. Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employer obligations. This letter constitutes OSHA's interpretation of the requirements discussed. Note that our enforcement guidance may be affected by changes to OSHA rules. Also, from time to time we update our guidance in response to new information. To keep apprised of such developments, you can consult OSHA's website at https://www.osha.gov.

Aug 27, 1999

Frank G. Duncan, Jr.
108 Randall Dr.
Slidell, LA 70458-1327

Dear Mr. Duncan;

Thank you for your letter of July 1, 1999 regarding the requirements for fit testing respirators under the revised Respiratory Protection Standard, 29 CFR 1910.134. You asked several questions about Appendix A of the standard.

Use of multi-station electric pump nebulizer and the squeeze bulb Bitrex for QLFT.

OSHA requirements are set by statute, standards and regulations. Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employer obligations. This letter constitutes OSHA's interpretation of the requirements discussed. Note that our enforcement guidance may be affected by changes to OSHA rules. Also, from time to time we update our guidance in response to new information. To keep apprised of such developments, you can consult OSHA's website at https://www.osha.gov.

March 8, 2001

Mr. Larry Janssen, CIH
Technical Service Specialist
3M Occupational Health & Environmental Safety Division
3M Center Building 260-3B-09
St. Paul, Minnesota 55144-1000

Dear Mr. Janssen:

QLFT fit testing procedures

OSHA requirements are set by statute, standards and regulations. Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employer obligations. This letter constitutes OSHA's interpretation of the requirements discussed. Note that our enforcement guidance may be affected by changes to OSHA rules. Also, from time to time we update our guidance in response to new information. To keep apprised of such developments, you can consult OSHA's website at https://www.osha.gov.

March 18, 2015

Dr. Roy T. McKay
University of Cincinnati
Kettering Laboratory, ML #56
University of Cincinnati
Cincinnati, Ohio 45267-0056

Dear Dr. McKay: