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Methylenedianiline

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Jun 3, 2026
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closed 269d ago
American Industrial Hygiene Association (AIHA) filings
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Activity

American Industrial Hygiene Association (AIHA) filed 1 comment on this docket between Nov 17, 2025 and Nov 17, 2025. 8 other organizations filed here. The comment window closed 269d ago.

What American Industrial Hygiene Association (AIHA) filed (1)

Nov 17, 2025· Comment from Sloan, Lawrence; American Industrial Hygiene Association (AIHA)· OSHA-2025-0025-0017

OSHA's proposed generalizations, if not paired with clear equivalency guidance, risk shifting complex respirator selection and cartridge change out decisions to employers without adequate direction - particularly for immediately dangerous to life or health (IDLH) atmospheres and agent specific constraints (e.g., ethylene oxide sorbent limitations, methylene dianiline [MDA], or formaldehyde STEL scenarios). OSHA should retain non-exhaustive examples of acceptable respirator configurations mapped to exposure tiers (action level, PEL, STEL, IDLH) and common tasks, while referencing §1910.134 for program elements; an appendix crosswalk should state that following the mapped equivalents constitutes compliance. Please see additional comments in the attached file.

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Abstract

Revision of Methylenedianiline Standard 1910.1050; 1926.60; 1915.1050; 1917.1; 1918.1.

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Co-filers (8)

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