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Regulations last checked for updates: Feb 07, 2026
Title 40 - Protection of Environment last revised: Dec 22, 2026
All Titles
Title 40
Chapter I
Part 211
Subpart B - Subpart B—Hearing Protective Devices
source:
44 FR 56127, Sept. 28, 1979, unless otherwise noted.
cite as:
40 CFR 211.206
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