Fit testing and fit factors for the N-95 respirators for protection against TB exposure.

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 4, 1996

Dr. John F. McCarthy, ScD, CIH
Ms. Nanette Moss
Environmental Health and
Engineering
255 Washington Street
Newton, Massachusetts 02158-1634

Dear Dr. McCarthy and Ms. Moss:

The OSHA interpretation of respiratory protection requirements with regards to tuberculosis (TB) exposure.

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.

February 5, 1996

Jeni Boyer, RRT
Clinical Education Coordinator
Respiratory Care, South Unit
St. Elizabeth Medical Center
One Medical Village Drive
Edgewood, Kentucky 41017

Dear Ms. Boyer:

This letter is in response to your request for the Occupational Safety and Health Administration's (OSHA) interpretation of respiratory protection requirements with regards to tuberculosis (TB) exposure.

Additional Enforcement Policy Change for Respiratory Protection Required for Abrasive Blasting.

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 31, 1997

Belt mounted filtration unit used with any NIOSH approved supplied-air respirator.

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.

September 4, 1996

Charles E. Martin, President
Modern Safety Techniques
Post Office Box 87 11388 Breiniger Road
Hicksville, Ohio 43526

Dear Mr. Martin:

Particulate Respirators Certified under 42 CFR Part 84.

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.

September 3, 1996

Enforcement policy for abrasive-blasting respiratory protection under the Lead in Construction Interim Final Rule.

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.

This memorandum provides specific enforcement policy for respiratory protection required in abrasive-blasting operations under the Interim Final Rule for Lead in Construction, 29 CFR 1926.62 (hereafter called the "Lead in Construction Standard"). Three points are especially important in this regard. First, the change only applies to 29 CFR 1926.62. Second, the change only affects enforcement actions involving the Type-CE respirator used in abrasive-blasting that is manufactured by 3M as the Model 8100 Abrasive Blast Helmet.

Respiratory protection for anhydrous ammonia storage installations.

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.

December 07, 1998

Mr. Jesse L. McDaniel, CSP
Countrymark Cooperative, Inc.
950 North Meridian Street
Indianapolis, Indiana 46204-3909

Dear Mr. McDaniel:

This is in response to you letter dated May 11, where you have asked for an interpretation of the Occupational Safety and Health Administrations (OSHA) Storage and Handling of Anhydrous Ammonia standard, CFR 1910.111 and the revised Respiratory Protection standard, CFR 1910.134. We apologize for the long delay in getting this response to you.

Employee declination of medical evaluation; religious exemptions for respirator use.

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.

December 2, 1998

Mr. William H. Kincaid
Lockton Companies
1 Cityplace Drive
Suite 160
St. Louis, MO 63141-1453

Dear Mr. Kincaid:

This is in response to your letter dated June 18, addressed to Mr. John Miles, Jr., former Director for the Directorate of Compliance Programs, concerning the Occupational Safety and Health Administration's (OSHA's) Respiratory Protection standard, CFR 1910.134. We apologize for the long delay in getting this response to you.

Questions and answers regarding the respiratory protection standard

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.

October 16, 1998

Ms. Myrtle I. Turner
GTRI/EOEML/SHEB
O'Keefe Building, Room 029
151 6th Street
Atlanta, GA 30332-0837

Dear Ms. Turner:

This is in response to your letter of April 14, addressed to the Occupational Safety and Health Administration's (OSHA's) [Office of Health Enforcement]. We apologize for the long delay of this response.

Conduct of respiratory protection medical evaluations by medical technicians.

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.