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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 63
Subpart N - Subpart N—National Emission Standards for Chromium Emissions From Hard and Decorative Chromium Electroplating and Chromium Anodizing Tanks
§ 63.340 - Applicability and designation of sources.
§ 63.341 - Definitions and nomenclature.
§ 63.342 - Standards.
§ 63.343 - Compliance provisions.
§ 63.344 - Performance test requirements and test methods.
§ 63.345 - Provisions for new and reconstructed sources.
§ 63.346 - Recordkeeping requirements.
§ 63.347 - Reporting requirements.
§ 63.348 - Implementation and enforcement.
Appendix - Table 1 to Subpart N of Part 63—General Provisions Applicability to Subpart N
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