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U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 27, 2025
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Title 40
Chapter I
Part 413
Subpart F - Subpart F—Chemical Etching and Milling Subcategory
§ 413.60 - Applicability: Description of the chemical etching and milling subcategory.
§ 413.61 - Specialized definitions.
§§ 413.62-413.63 - §[Reserved]
§ 413.64 - Pretreatment standards for existing sources.
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