8-hour total weight average (TWA) permissible exposure limit (PEL).

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 6, 1995

Mr. Mark Nicas
University of California
Environmental Health Sciences
School of Public Health
140 Warren Hall
Berkeley, California 94720-7360

Dear Mr. Nicas:

This is in response to your letter of July 7, addressed to Mr. Joseph A. Dear, Assistant Secretary for the Occupational Safety and Health Administration (OSHA), requesting an interpretation on 8-hour total weight average (TWA) permissible exposure limit (PEL) as defined in 29 CFR 1910.1000 and in other substance-specific health standards.

PEL for cotton dust when exposure is from cotton fibers used in the manufacture of absorbent glass tubes.

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 18, 2012

Mr. Jesse Mills, PE
Mills Engineering
1361-E East Garrison Blvd.
Gastonia, NC 28054

Requirements relating to spirometry contained in the cotton dust standard at 1910.1043 Appendix D.

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 5, 1990

Peter Mitchell, President
Vitalograph Medical Instrumentation
8347 Quivira Road
Lenexa, Kansas 66215

Dear Mr. Mitchell:

This is in response to your letters of August 4 to Jeff Spahn, Area Director of our Wichita, Kansas, office and of January 31 to Mr. Gail Brinkerhoff of my staff concerning clarification of some of the requirements relating to spirometry contained in Appendix D to standard 29 CFR 1910.1043 for cotton dust. Please accept our apology for the delay.

Cotton Dust Standard; Extension of the Office of Management and Budget's (OMB) Approval of Information Collection (Paperwork) Requirements

  • Publication Date:
  • Publication Type:
  • Fed Register #:
    83:1633-1634
  • Title:
[Federal Register Volume 83, Number 9 (Friday, January 12, 2018)]
[Notices]
[Pages 1633-1634]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: 2018-00393]


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DEPARTMENT OF LABOR

Occupational Safety and Health Administration

[Docket No.

North Carolina State Plan; Final Approval Determination

  • Publication Date:
  • Publication Type:
  • Fed Register #:
    61:66593-66602
  • Title:

DEPARTMENT OF LABOR

Occupational Safety and Health Administration

29 CFR Part 1952

[Docket No. T-031]

North Carolina State Plan; Final Approval Determination

December 10, 1996.

AGENCY: Occupational Safety and Health Administration (OSHA), U.S. Department of Labor.

ACTION: Final State plan approval.

Notice of Public Meeting on Review of the Cotton Dust Standard.

  • Publication Date:
  • Publication Type:
  • Fed Register #:
    63:34140-34141
  • Title:

DEPARTMENT OF LABOR

Occupational Safety and Health Administration

29 CFR Part 1910

[Docket No. H-052-F]

Notice of Public Meeting on Review of the Cotton Dust Standard

AGENCY: Occupational Safety and Health Administration, U.S. Department of Labor.

ACTION: Notice of public meeting.

Cotton Dust Standard: Extension of the Office of Managment of Budget's (OMB) Approval of Information-Collection (Paperwork) Requirements

  • Publication Date:
  • Publication Type:
  • Fed Register #:
    65:11087-11088
  • Title:


DEPARTMENT OF LABOR

Occupational Safety and Health Administration

[Docket No. ICR-1218-0061 (2000)]

Cotton Dust Standard: Extension of the Office of Managment of Budget's (OMB) Approval of Information-Collection (Paperwork) Requirements

AGENCY: Occupational Safety and Health Administration (OSHA); Labor.

ACTION: Notice of an opportunity for public comment.