Standard for and risks associated with man-made mineral fiber (MMMF).
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 2, 1985
J. Bognar, Manager
Environmental Technology
N.Z. Forest Products Limited
Private Bag, Auckland
1 New Zealand
Dear Mr. Bognar:
Thank you for your letter of July 12, to former Assistant Secretary Robert Rowland, concerning the occupational exposure standard on man-made mineral fiber (MMMF). Your letter has been referred to this office for response.
Following are answers to your seven questions:
1. What is the current TLV for MMMF in your country?