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U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 28, 2025
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Title 21
Chapter I
Part 211
Subpart D - Subpart D—Equipment
§ 211.63 - Equipment design, size, and location.
§ 211.65 - Equipment construction.
§ 211.67 - Equipment cleaning and maintenance.
§ 211.68 - Automatic, mechanical, and electronic equipment.
§ 211.72 - Filters.
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