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U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 27, 2025
All Titles
Title 40
Chapter I
Part 61
Subpart E - Subpart E—National Emission Standard for Mercury
§ 61.50 - Applicability.
§ 61.51 - Definitions.
§ 61.52 - Emission standard.
§ 61.53 - Stack sampling.
§ 61.54 - Sludge sampling.
§ 61.55 - Monitoring of emissions and operations.
§ 61.56 - Delegation of authority.
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