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# Standard Interpretations
1 2012 - 01/18/2012 - PEL for cotton dust when exposure is from cotton fibers used in the manufacture of absorbent glass tubes.
2 1995 - 10/06/1995 - 8-hour total weight average (TWA) permissible exposure limit (PEL).
3 1995 - 03/09/1995 - Employees in a cotton yarn manufacturing plant who voluntarily wear cloth over their mouths and noses to prevent lint from sticking to their skin.
4 1994 - 12/05/1994 - Cotton Dust Standard and CD-ROMs for storing medical and exposure records.
5 1993 - 06/17/1993 - Pulmonary function testing training requirements and spirometer transmission of disease.
6 1991 - 05/10/1991 - Regulations For Cotton Waste Operations.
7 1990 - 12/06/1990 - Adjusting cotton dust permissible exposure limits (PELs) for extended work shifts.
8 1990 - 03/05/1990 - Requirements relating to spirometry contained in the cotton dust standard at 1910.1043 Appendix D.
9 1986 - 06/04/1986 - Tufting of undyed and unwashed cotton is not covered in the scope of the revised cotton standard of December 13, 1985.
10 1986 - 04/16/1986 - The cotton dust standard applies to the elastic fabric industry.
11 1986 - 04/15/1986 - The use of disposable respirators where cotton dust concentration is no greater than five times the PEL.
12 1986 - 04/10/1986 - Employee exposure to cotton dust.
13 1984 - 12/14/1984 - Regulations for the calibration of spirometers and audiometers;Regulations for the calibration of spirometers and audiometers.
14 1981 - 01/26/1981 - Persons conducting pulmonary function testing to complete NIOSH spirometry course.

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