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Title 40

Displaying title 40, up to date as of 7/13/2026. Title 40 was last amended 7/13/2026.
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  1. Title 40 —Protection of Environment
  2. Chapter I —Environmental Protection Agency
  3. Subchapter C —Air Programs
  4. Part 60 —Standards of Performance for New Stationary Sources
  5. Subpart WWWW   View Full Text
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Title 40Protection of EnvironmentPart / Section
Chapter IEnvironmental Protection Agency1 – 1099
Subchapter CAir Programs50 – 99
Part 60Standards of Performance for New Stationary Sources60.1 – 60.6685
Subpart WWWWEmission Guidelines and Compliance Times for Large Municipal Waste Combustors Constructed on or Before January 23, 202460.6250 – 60.6685
Introduction60.6250 – 60.6295
§ 60.6250What is the purpose of this subpart?
§ 60.6255Am I affected by this subpart? What authorities does the EPA Administrator retain?
§ 60.6260Is a state plan required for all states?
§ 60.6265What must I include in my state plan?
§ 60.6270Is there an approval process for my state plan?
§ 60.6275What if my state plan is not approvable?
§ 60.6280Is there an approval process for a negative declaration letter?
§ 60.6285What compliance schedule must I include in my state plan?
§ 60.6290Are there any state plan requirements for this subpart that supersede the requirements specified in subpart B?
§ 60.6295Does this subpart directly affect municipal waste combustor owners and operators in my state?
Applicability of State Plans60.6300 – 60.6310
§ 60.6300What municipal waste combustors must I address in my state plan?
§ 60.6305Are any large municipal waste combustors exempt from my state plan?
§ 60.6310What subcategories of large municipal waste combustors must I include in my state plan?
Use of Model Rule60.6315 – 60.6325
§ 60.6315What is the “model rule” in this subpart?
§ 60.6320How does the model rule relate to the required elements of my state plan?
§ 60.6325What are the principal components of the model rule?
Model Rule—Increments or Progress60.6330 – 60.6385
§ 60.6330What are my requirements for meeting increments of progress and achieving final compliance?
§ 60.6335When must I complete each increment of progress?
§ 60.6340What must I include in the notifications of achievement of my increments of progress?
§ 60.6345When must I submit the notifications of achievement of increments of progress?
§ 60.6350What if I do not meet an increment of progress?
§ 60.6355How do I comply with the increment of progress for submittal of a control plan?
§ 60.6360How do I comply with the increment of progress for awarding contracts?
§ 60.6365How do I comply with the increment of progress for initiating onsite construction?
§ 60.6370How do I comply with the increment of progress for completing onsite construction?
§ 60.6375How do I comply with the increment of progress for achieving final compliance?
§ 60.6380What must I do if I close my municipal waste combustor and then restart my municipal waste combustor?
§ 60.6385What must I do if I plan to permanently close my municipal waste combustor and not restart it?
Model Rule—Good Combustion Practices: Operator Training60.6390 – 60.6415
§ 60.6390What types of training must I do?
§ 60.6395Who must complete the operator training course? By when?
§ 60.6400Who must complete the site-specific training course?
§ 60.6405What site-specific training must I provide?
§ 60.6410What information must I include in the site-specific operating manual?
§ 60.6415Where must I keep the site-specific operating manual?
Model Rule—Good Combustion Practices: Operator Certification60.6420 – 60.6430
§ 60.6420What types of operator certification must the chief facility operator and shift supervisor obtain and by when must they obtain it?
§ 60.6425After the required date for operator certification, who may operate the municipal waste combustor?
§ 60.6430What if all the certified operators must be temporarily offsite?
Model Rule—Good Combustion Practices: Operating Requirements60.6435 – 60.6440
§ 60.6435What are the operating practice requirements for my municipal waste combustor?
§ 60.6440What happens to the operating requirements during periods of startup, shutdown, and malfunction?
Model Rule—Emission Limits60.6445 – 60.6455
§ 60.6445What pollutants are regulated by this subpart?
§ 60.6450What emission limits must I meet? By when?
§ 60.6455What happens to the emission limits during periods of startup, shutdown, and malfunction?
Model Rule—Continuous Emission Monitoring60.6460 – 60.6510
§ 60.6460What types of continuous emission monitoring must I perform?
§ 60.6465What continuous emission monitoring systems must I install for gaseous pollutants?
§ 60.6470How are the data from the continuous emission monitoring systems used?
§ 60.6475How do I make sure my continuous emission monitoring systems are operating correctly?
§ 60.6480What is my schedule for evaluating continuous emission monitoring systems?
§ 60.6485What must I do if I choose to monitor carbon dioxide instead of oxygen as a diluent gas?
§ 60.6490What is the minimum amount of monitoring data I must collect with my continuous emission monitoring systems?
§ 60.6495How do I convert my 1-hour arithmetic averages into appropriate averaging times and units?
§ 60.6500What is required for my continuous opacity monitoring system and how are the data used?
§ 60.6505What additional requirements must I meet for the operation of my continuous emission monitoring systems and continuous opacity monitoring system?
§ 60.6510What must I do if any of my continuous emission monitoring systems are temporarily unavailable to meet the data collection requirements?
Model Rule—Stack Testing60.6515 – 60.6540
§ 60.6515What types of stack tests must I conduct?
§ 60.6520How are the stack test data used?
§ 60.6525What schedule must I follow for the stack testing?
§ 60.6530What procedures and test methods must I use to stack test?
§ 60.6535May I conduct stack testing less often?
§ 60.6540May I conduct continuous monitoring or sampling in lieu of stack testing?
Model Rule—Other Monitoring Requirements60.6545 – 60.6570
§ 60.6545Must I meet other requirements for continuous monitoring?
§ 60.6550How do I monitor the load of my municipal waste combustor?
§ 60.6555How do I monitor the temperature of flue gases at the inlet of my particulate matter control device?
§ 60.6560How do I monitor the injection rate of activated carbon?
§ 60.6565What is the minimum amount of monitoring data I must collect with my continuous parameter monitoring systems?
§ 60.6570What requirements must I meet for estimating my municipal waste combustor capacity?
Model Rule—Recordkeeping60.6575 – 60.6600
§ 60.6575What records must I keep?
§ 60.6580Where must I keep my records and for how long?
§ 60.6585What records must I keep for operator training and certification?
§ 60.6590What records must I keep for stack tests?
§ 60.6595What records must I keep for continuously monitored pollutants or parameters?
§ 60.6600What records must I keep for municipal waste combustors that use activated carbon?
Model Rule—Reporting60.6605 – 60.6650
§ 60.6605What reports must I submit and in what form?
§ 60.6610What are the appropriate units of measurement for reporting my data?
§ 60.6615When must I submit the initial performance test report?
§ 60.6620What must I include in my initial performance test report?
§ 60.6625When must I submit the annual report?
§ 60.6630What must I include in my annual report?
§ 60.6635What must I do if I am out of compliance with the requirements of this subpart?
§ 60.6640If a semiannual report is required, when must I submit it?
§ 60.6645What must I include in the semiannual out-of-compliance reports?
§ 60.6650Can reporting dates be changed?
Model Rule—Air Curtain Incinerators That Burn 100 Percent Wood Waste, Clean Lumber, and Yard Waste60.6655 – 60.6680
§ 60.6655What is an air curtain incinerator?
§ 60.6660What is yard waste?
§ 60.6665What are the emission limits for air curtain incinerators that burn 100 percent wood waste, clean lumber, and/or yard waste?
§ 60.6670How must I monitor opacity for air curtain incinerators that burn 100 percent wood waste, clean lumber, and/or yard waste?
§ 60.6675What are the recordkeeping and reporting requirements for air curtain incinerators that burn 100 percent wood waste, clean lumber, and/or yard waste?
§ 60.6680What equations must I use?
Definitions60.6685
§ 60.6685What definitions apply to this subpart?
Table 1 to Subpart WWWW of Part 60
Model Rule—Compliance Schedules and Increments of Progress
Table 2 to Subpart WWWW
Municipal Waste Combustor Carbon Monoxide Guidelines
Table 3 to Subpart WWWW of Part 60
Model Rule—Emission Limits for Existing Large Municipal Waste Combustors
Table 4 to Subpart WWWW of Part 60
Requirements for Continuous Emission Monitoring Systems (CEMS)
Table 5 to Subpart WWWW
Performance Test Requirements for Compliance With Emissions Limits Under § 60.6450
eCFR Content