US lawFederal (United States)RegulationsTitle 40 CFR — Protection of EnvironmentChapter I — ENVIRONMENTAL PROTECTION AGENCYPart 211 — PRODUCT NOISE LABELINGSubpart B — Hearing Protective Devices211.20440 C.F.R. § 211.204Hearing protector labeling requirements.Last amended: 2016Year: 2026Length: 13 wordsOfficial source Cite as 40 C.F.R. § 211.204 (2026)All provisions of subpart A apply to this subpart except as otherwise noted.Previous40 C.F.R. § 211.203Next40 C.F.R. § 211.204-1