40 C.F.R. § 211.202 Effective date.
Title 40 - Protection of Environment
Manufacturers of hearing protectors must comply with the requirements set forth in this part for all hearing protective devices manufactured on or after September 27, 1980.
Title 40: Protection of Environment
PART 211—PRODUCT NOISE LABELING
Subpart B—Hearing Protective Devices
§ 211.202 Effective date.