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Title 40

Displaying title 40, up to date as of 7/09/2026. Title 40 was last amended 7/09/2026.
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Title 40Protection of EnvironmentPart / Section
Chapter IEnvironmental Protection Agency1 – 1099
Subchapter CAir Programs50 – 99
Part 63National Emission Standards for Hazardous Air Pollutants for Source Categories63.1 – 63.12099
Subpart JJJJJJNational Emission Standards for Hazardous Air Pollutants for Industrial, Commercial, and Institutional Boilers Area Sources63.11193 – 63.11237
What This Subpart Covers63.11193 – 63.11196
§ 63.11193Am I subject to this subpart?
§ 63.11194What is the affected source of this subpart?
§ 63.11195Are any boilers not subject to this subpart?
§ 63.11196What are my compliance dates?
Emission Limits, Work Practice Standards, Emission Reduction Measures, and Management Practices63.11200 – 63.11201
§ 63.11200What are the subcategories of boilers?
§ 63.11201What standards must I meet?
General Compliance Requirements63.11205
§ 63.11205What are my general requirements for complying with this subpart?
Initial Compliance Requirements63.11210 – 63.11214
§ 63.11210What are my initial compliance requirements and by what date must I conduct them?
§ 63.11211How do I demonstrate initial compliance with the emission limits?
§ 63.11212What stack tests and procedures must I use for the performance tests?
§ 63.11213What fuel analyses and procedures must I use for the performance tests?
§ 63.11214How do I demonstrate initial compliance with the work practice standard, emission reduction measures, and management practice?
Continuous Compliance Requirements63.11220 – 63.11226
§ 63.11220When must I conduct subsequent performance tests or fuel analyses?
§ 63.11221Is there a minimum amount of monitoring data I must obtain?
§ 63.11222How do I demonstrate continuous compliance with the emission limits?
§ 63.11223How do I demonstrate continuous compliance with the work practice and management practice standards?
§ 63.11224What are my monitoring, installation, operation, and maintenance requirements?
§ 63.11225What are my notification, reporting, and recordkeeping requirements?
§ 63.11226 [Reserved]
Other Requirements and Information63.11235 – 63.11237
§ 63.11235What parts of the General Provisions apply to me?
§ 63.11236Who implements and enforces this subpart?
§ 63.11237What definitions apply to this subpart?
Table 1 to Subpart JJJJJJ of Part 63
Emission Limits
Table 2 to Subpart JJJJJJ of Part 63
Work Practice Standards, Emission Reduction Measures, and Management Practices
Table 3 to Subpart JJJJJJ of Part 63
Operating Limits for Boilers With Emission Limits
Table 4 to Subpart JJJJJJ of Part 63
Performance (Stack) Testing Requirements
Table 5 to Subpart JJJJJJ of Part 63
Fuel Analysis Requirements
Table 6 to Subpart JJJJJJ of Part 63
Establishing Operating Limits
Table 7 to Subpart JJJJJJ of Part 63
Demonstrating Continuous Compliance
Table 8 to Subpart JJJJJJ of Part 63
Applicability of General Provisions to Subpart JJJJJJ