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← All Titles Title 40 — Protection of Environment

1 Statement Of Organization And General Information
2 Public Information
3 Cross-Media Electronic Reporting
4 Uniform Relocation Assistance And Real Property Acquisition For Federal And Federally Assisted Programs
5 Nondiscrimination On The Basis Of Sex In Education Programs Or Activities Receiving Federal Financial Assistance
6 Procedures For Implementing The National Environmental Policy Act And Assessing The Environmental Effects Abroad Of Epa Actions
7 Nondiscrimination In Programs Or Activities Receiving Federal Assistance From The Environmental Protection Agency
8 Environmental Impact Assessment Of Nongovernmental Activities In Antarctica
9 Omb Approvals Under The Paperwork Reduction Act
10 Administrative Claims Under Federal Tort Claims Act
11 Security Classification Regulations Pursuant To Executive Order 11652
12 Nondiscrimination On The Basis Of Handicap In Programs Or Activities Conducted By The Environmental Protection Agency
13 Claims Collection Standards
14 Employee Personal Property Claims
16 Implementation Of Privacy Act Of 1974
17 Implementation Of The Equal Access To Justice Act In Epa Administrative Proceedings
18 Environmental Protection Research Fellowships And Special Research Consultants For Environmental Protection
19 Adjustment Of Civil Monetary Penalties For Inflation
20 Certification Of Facilities
21 Small Business
22 Consolidated Rules Of Practice Governing The Administrative Assessment Of Civil Penalties And The Revocation/Termination Or Suspension Of Permits
23 Judicial Review Under Epa-Administered Statutes
24 Rules Governing Issuance Of And Administrative Hearings On Interim Status Corrective Action Orders
25 Public Participation In Programs Under The Resource Conservation And Recovery Act, The Safe Drinking Water Act, And The Clean Water Act
26 Protection Of Human Subjects
27 Program Fraud Civil Remedies
29 Intergovernmental Review Of Environmental Protection Agency Programs And Activities
30-31 31 [Reserved]
33 Participation By Disadvantaged Business Enterprises In United States Environmental Protection Agency Programs
34 New Restrictions On Lobbying
35 State And Local Assistance
40 Research And Demonstration Grants
45 Training Assistance
46 Fellowships
47 National Environmental Education Act Grants
49 Indian Country: Air Quality Planning And Management
50 National Primary And Secondary Ambient Air Quality Standards
51 Requirements For Preparation, Adoption, And Submittal Of Implementation Plans
52 Approval And Promulgation Of Implementation Plans
53 Ambient Air Monitoring Reference And Equivalent Methods
54 Prior Notice Of Citizen Suits
55 Outer Continental Shelf Air Regulations
56 Regional Consistency
57 Primary Nonferrous Smelter Orders
58 Ambient Air Quality Surveillance
59 National Volatile Organic Compound Emission Standards For Consumer And Commercial Products
60 Standards Of Performance For New Stationary Sources
61 National Emission Standards For Hazardous Air Pollutants
62 Approval And Promulgation Of State Plans For Designated Facilities And Pollutants
63 National Emission Standards For Hazardous Air Pollutants For Source Categories
64 Compliance Assurance Monitoring
65 Consolidated Federal Air Rule
66 Assessment And Collection Of Noncompliance Penalties By Epa
67 Epa Approval Of State Noncompliance Penalty Program
68 Chemical Accident Prevention Provisions
69 Special Exemptions From Requirements Of The Clean Air Act
70 State Operating Permit Programs
71 Federal Operating Permit Programs
72 Permits Regulation
73 Sulfur Dioxide Allowance System
74 Sulfur Dioxide Opt-Ins
75 Continuous Emission Monitoring
76 Acid Rain Nitrogen Oxides Emission Reduction Program
77 Excess Emissions
78 Appeal Procedures
79 Registration Of Fuels And Fuel Additives
80 Regulation Of Fuels And Fuel Additives
81 Designation Of Areas For Air Quality Planning Purposes
82 Protection Of Stratospheric Ozone
83 Part 83 [Reserved]
84 Phasedown Of Hydrofluorocarbons
85 Control Of Air Pollution From Mobile Sources
86 Control Of Emissions From New And In-Use Highway Vehicles And Engines
87 Control Of Air Pollution From Aircraft And Aircraft Engines
88 Clean-Fuel Vehicles
89 Control Of Emissions From New And In-Use Nonroad Compression-Ignition Engines
90 Control Of Emissions From Nonroad Spark-Ignition Engines At Or Below 19 Kilowatts
91 Control Of Emissions From Marine Spark-Ignition Engines
92 Control Of Air Pollution From Locomotives And Locomotive Engines
93 Determining Conformity Of Federal Actions To State Or Federal Implementation Plans
94 Control Of Emissions From Marine Compression-Ignition Engines
95 Mandatory Patent Licenses
96 Nox Budget Trading Program And Cair Nox And So2 Trading Programs For State Implementation Plans
97 Federal Nox Budget Trading Program, Cair Nox And So2 Trading Programs, Csapr Nox And So2 Trading Programs, And Texas So2 Trading Program
98 Mandatory Greenhouse Gas Reporting
99 Part 99 [Reserved}
100-103 103 [Reserved]
104 Public Hearings On Effluent Standards For Toxic Pollutants
105 Recognition Awards Under The Clean Water Act
108 Employee Protection Hearings
109 Criteria For State, Local And Regional Oil Removal Contingency Plans
110 Discharge Of Oil
112 Oil Pollution Prevention
113 Liability Limits For Small Onshore Storage Facilities
116 Designation Of Hazardous Substances
117 Determination Of Reportable Quantities For Hazardous Substances
118 Clean Water Act Hazardous Substances Facility Response Plans
120 Definition Of Waters Of The United States
121 State Certification Of Activities Requiring A Federal License Or Permit
122 Epa Administered Permit Programs: The National Pollutant Discharge Elimination System
123 State Program Requirements
124 Procedures For Decisionmaking
125 Criteria And Standards For The National Pollutant Discharge Elimination System
127 Npdes Electronic Reporting
129 Toxic Pollutant Effluent Standards
130 Water Quality Planning And Management
131 Water Quality Standards
132 Water Quality Guidance For The Great Lakes System
133 Secondary Treatment Regulation
135 Prior Notice Of Citizen Suits
136 Guidelines Establishing Test Procedures For The Analysis Of Pollutants
139 Discharges Incidental To The Normal Operation Of Vessels
140 Marine Sanitation Device Standard
141 National Primary Drinking Water Regulations
142 National Primary Drinking Water Regulations Implementation
143 Other Safe Drinking Water Act Regulations
144 Underground Injection Control Program
145 State Uic Program Requirements
146 Underground Injection Control Program: Criteria And Standards
147 State, Tribal, And Epa-Administered Underground Injection Control Programs
148 Hazardous Waste Injection Restrictions
149 Sole Source Aquifers
150 General
151 Part 151 [Reserved]
152 Pesticide Registration And Classification Procedures
153 Registration Policies And Interpretations
154 Special Review Procedures
155 Registration Standards And Registration Review
156 Labeling Requirements For Pesticides And Devices
157 Packaging Requirements For Pesticides And Devices
158 Data Requirements For Pesticides
159 Statements Of Policies And Interpretations
160 Good Laboratory Practice Standards
162 State Registration Of Pesticide Products
164 Rules Of Practice Governing Hearings, Under The Federal Insecticide, Fungicide, And Rodenticide Act, Arising From Refusals To Register, Cancellations Of Registrations, Changes Of Classifications, Suspensions Of Registrations And Other Hearings Called Pursuant To Section 6 Of The Act
165 Pesticide Management And Disposal
166 Exemption Of Federal And State Agencies For Use Of Pesticides Under Emergency Conditions
167 Registration Of Pesticide And Active Ingredient Producing Establishments, Submission Of Pesticide Reports
168 Statements Of Enforcement Policies And Interpretations
169 Books And Records Of Pesticide Production And Distribution
170 Worker Protection Standard
171 Certification Of Pesticide Applicators
172 Experimental Use Permits
173 Procedures Governing The Rescission Of State Primary Enforcement Responsibility For Pesticide Use Violations
174 Procedures And Requirements For Plant-Incorporated Protectants
176 Time-Limited Tolerances For Emergency Exemptions
178 Objections And Requests For Hearings
179 Formal Evidentiary Public Hearing
180 Tolerances And Exemptions For Pesticide Chemical Residues In Food
181-189 189 [Reserved]
190 Environmental Radiation Protection Standards For Nuclear Power Operations
191 Environmental Radiation Protection Standards For Management And Disposal Of Spent Nuclear Fuel, High-Level And Transuranic Radioactive Wastes
192 Health And Environmental Protection Standards For Uranium And Thorium Mill Tailings
194 Criteria For The Certification And Re-Certification Of The Waste Isolation Pilot Plant'S Compliance With The 40 Cfr Part 191 Disposal Regulations
195 Radon Proficiency Programs
197 Public Health And Environmental Radiation Protection Standards For Yucca Mountain, Nevada
201 Noise Emission Standards For Transportation Equipment; Interstate Rail Carriers
202 Motor Carriers Engaged In Interstate Commerce
203 Low-Noise-Emission Products
204 Noise Emission Standards For Construction Equipment
205 Transportation Equipment Noise Emission Controls
209 Rules Of Practice Governing Proceedings Under The Noise Control Act Of 1972
210 Prior Notice Of Citizen Suits
211 Product Noise Labeling
220 General
221 Applications For Ocean Dumping Permits Under Section 102 Of The Act
222 Action On Ocean Dumping Permit Applications Under Section 102 Of The Act
223 Contents Of Permits; Revision, Revocation Or Limitation Of Ocean Dumping Permits Under Section 104(D) Of The Act
224 Records And Reports Required Of Ocean Dumping Permittees Under Section 102 Of The Act
225 Corps Of Engineers Dredged Material Permits
227 Criteria For The Evaluation Of Permit Applications For Ocean Dumping Of Materials
228 Criteria For The Management Of Disposal Sites For Ocean Dumping
229 General Permits
230 Section 404(B)(1) Guidelines For Specification Of Disposal Sites For Dredged Or Fill Material
231 Section 404(C) Procedures
232 404 Program Definitions; Exempt Activities Not Requiring 404 Permits
233 404 State Program Regulations
238 Degradable Plastic Ring Carriers
239 Requirements For State Permit Program Determination Of Adequacy
240 Guidelines For The Thermal Processing Of Solid Wastes
241 Solid Wastes Used As Fuels Or Ingredients In Combustion Units
243 Guidelines For The Storage And Collection Of Residential, Commercial, And Institutional Solid Waste
246 Source Separation For Materials Recovery Guidelines
247 Comprehensive Procurement Guideline For Products Containing Recovered Materials
254 Prior Notice Of Citizen Suits
255 Identification Of Regions And Agencies For Solid Waste Management
256 Guidelines For Development And Implementation Of State Solid Waste Management Plans
257 Criteria For Classification Of Solid Waste Disposal Facilities And Practices
258 Criteria For Municipal Solid Waste Landfills
259 Part 259 [Reserved]
260 Hazardous Waste Management System: General
261 Identification And Listing Of Hazardous Waste
262 Standards Applicable To Generators Of Hazardous Waste
263 Standards Applicable To Transporters Of Hazardous Waste
264 Standards For Owners And Operators Of Hazardous Waste Treatment, Storage, And Disposal Facilities
265 Interim Status Standards For Owners And Operators Of Hazardous Waste Treatment, Storage, And Disposal Facilities
266 Standards For The Management Of Specific Hazardous Wastes And Specific Types Of Hazardous Waste Management Facilities
267 Standards For Owners And Operators Of Hazardous Waste Facilities Operating Under A Standardized Permit
268 Land Disposal Restrictions
270 Epa Administered Permit Programs: The Hazardous Waste Permit Program
271 Requirements For Authorization Of State Hazardous Waste Programs
272 Approved State Hazardous Waste Management Programs
273 Standards For Universal Waste Management
278 Criteria For The Management Of Granular Mine Tailings (Chat) In Asphalt Concrete And Portland Cement Concrete In Transportation Construction Projects Funded In Whole Or In Part By Federal Funds
279 Standards For The Management Of Used Oil
280 Technical Standards And Corrective Action Requirements For Owners And Operators Of Underground Storage Tanks (Ust)
281 Approval Of State Underground Storage Tank Programs
282 Approved Underground Storage Tank Programs
283-299 299 [Reserved]
300 National Oil And Hazardous Substances Pollution Contingency Plan
302 Designation, Reportable Quantities, And Notification
303 Citizen Awards For Information On Criminal Violations Under Superfund
304 Arbitration Procedures For Small Superfund Cost Recovery Claims
305 Comprehensive Environmental Response, Compensation, And Liability Act (Cercla) Administrative Hearing Procedures For Claims Against The Superfund
307 Comprehensive Environmental Response, Compensation, And Liability Act (Cercla) Claims Procedures
310 Reimbursement To Local Governments For Emergency Response To Hazardous Substance Releases
311 Worker Protection
312 Innocent Landowners, Standards For Conducting All Appropriate Inquiries
350 Trade Secrecy Claims For Emergency Planning And Community Right-To-Know Information: And Trade Secret Disclosures To Health Professionals
355 Emergency Planning And Notification
370 Hazardous Chemical Reporting: Community Right-To-Know
372 Toxic Chemical Release Reporting: Community Right-To-Know
373 Reporting Hazardous Substance Activity When Selling Or Transferring Federal Real Property
374 Prior Notice Of Citizen Suits
375-399 399 [Reserved]
400 Part 400 [Reserved]
401 General Provisions
402 Part 402 [Reserved]
403 General Pretreatment Regulations For Existing And New Sources Of Pollution
405 Dairy Products Processing Point Source Category
406 Grain Mills Point Source Category
407 Canned And Preserved Fruits And Vegetables Processing Point Source Category
408 Canned And Preserved Seafood Processing Point Source Category
409 Sugar Processing Point Source Category
410 Textile Mills Point Source Category
411 Cement Manufacturing Point Source Category
412 Concentrated Animal Feeding Operations (Cafo) Point Source Category
413 Electroplating Point Source Category
414 Organic Chemicals, Plastics, And Synthetic Fibers
415 Inorganic Chemicals Manufacturing Point Source Category
416 Part 416 [Reserved]
417 Soap And Detergent Manufacturing Point Source Category
418 Fertilizer Manufacturing Point Source Category
419 Petroleum Refining Point Source Category
420 Iron And Steel Manufacturing Point Source Category
421 Nonferrous Metals Manufacturing Point Source Category
422 Phosphate Manufacturing Point Source Category
423 Steam Electric Power Generating Point Source Category
424 Ferroalloy Manufacturing Point Source Category
425 Leather Tanning And Finishing Point Source Category
426 Glass Manufacturing Point Source Category
427 Asbestos Manufacturing Point Source Category
428 Rubber Manufacturing Point Source Category
429 Timber Products Processing Point Source Category
430 The Pulp, Paper, And Paperboard Point Source Category
431 Part 431 [Reserved]
432 Meat And Poultry Products Point Source Category
433 Metal Finishing Point Source Category
434 Coal Mining Point Source Category Bpt, Bat, Bct Limitations And New Source Performance Standards
435 Oil And Gas Extraction Point Source Category
436 Mineral Mining And Processing Point Source Category
437 The Centralized Waste Treatment Point Source Category
438 Metal Products And Machinery Point Source Category
439 Pharmaceutical Manufacturing Point Source Category
440 Ore Mining And Dressing Point Source Category
441 Dental Office Point Source Category
442 Transportation Equipment Cleaning Point Source Category
443 Effluent Limitations Guidelines For Existing Sources And Standards Of Performance And Pretreatment Standards For New Sources For The Paving And Roofing Materials (Tars And Asphalt) Point Source Category
444 Waste Combustors Point Source Category
445 Landfills Point Source Category
446 Paint Formulating Point Source Category
447 Ink Formulating Point Source Category
449 Airport Deicing Point Source Category
450 Construction And Development Point Source Category
451 Concentrated Aquatic Animal Production Point Source Category
454 Gum And Wood Chemicals Manufacturing Point Source Category
455 Pesticide Chemicals
457 Explosives Manufacturing Point Source Category
458 Carbon Black Manufacturing Point Source Category
459 Photographic Point Source Category
460 Hospital Point Source Category
461 Battery Manufacturing Point Source Category
463 Plastics Molding And Forming Point Source Category
464 Metal Molding And Casting Point Source Category
465 Coil Coating Point Source Category
466 Porcelain Enameling Point Source Category
467 Aluminum Forming Point Source Category
468 Copper Forming Point Source Category
469 Electrical And Electronic Components Point Source Category
471 Nonferrous Metals Forming And Metal Powders Point Source Category
501 State Sludge Management Program Regulations
503 Standards For The Use Or Disposal Of Sewage Sludge
600 Fuel Economy And Greenhouse Gas Exhaust Emissions Of Motor Vehicles
610 Fuel Economy Retrofit Devices
611-699 699 [Reserved]
700 General
702 General Practices And Procedures
703 Confidentiality Claims
704 Reporting And Recordkeeping Requirements
705 Reporting And Recordkeeping Requirements For Certain Per- And Polyfluoroalkyl Substances
707 Chemical Imports And Exports
710 Compilation Of The Tsca Chemical Substance Inventory
711 Tsca Chemical Data Reporting Requirements
712 Chemical Information Rules
713 Reporting Requirements For The Tsca Inventory Of Mercury Supply, Use, And Trade
716 Health And Safety Data Reporting
717 Records And Reports Of Allegations That Chemical Substances Cause Significant Adverse Reactions To Health Or The Environment
720 Premanufacture Notification
721 Significant New Uses Of Chemical Substances
722 Part 722 [Reserved]
723 Premanufacture Notification Exemptions
725 Reporting Requirements And Review Processes For Microorganisms
745 Lead-Based Paint Poisoning Prevention In Certain Residential Structures
747 Metalworking Fluids
749 Water Treatment Chemicals
750 Procedures For Rulemaking Under Section 6 Of The Toxic Substances Control Act
751 Regulation Of Certain Chemical Substances And Mixtures Under Section 6 Of The Toxic Substances Control Act
761 Polychlorinated Biphenyls (Pcbs) Manufacturing, Processing, Distribution In Commerce, And Use Prohibitions
763 Asbestos
766 Dibenzo-Para-Dioxins/Dibenzofurans
767-769 769 [Reserved]
770 Formaldehyde Standards For Composite Wood Products
771-789 789 [Reserved]
790 Procedures Governing Testing Consent Agreements And Test Rules
791 Data Reimbursement
792 Good Laboratory Practice Standards
795 Provisional Test Guidelines
796 Chemical Fate Testing Guidelines
797 Environmental Effects Testing Guidelines
798 Health Effects Testing Guidelines
799 Identification Of Specific Chemical Substance And Mixture Testing Requirements
1000-1026 1026 [Reserved]
1027 Fees For Vehicle And Engine Compliance Programs
1030 Control Of Greenhouse Gas Emissions From Engines Installed On Airplanes
1031 Control Of Air Pollution From Aircraft Engines
1033 Control Of Emissions From Locomotives
1036 Control Of Emissions From New And In-Use Heavy-Duty Highway Engines
1037 Control Of Emissions From New Heavy-Duty Motor Vehicles
1039 Control Of Emissions From New And In-Use Nonroad Compression-Ignition Engines
1042 Control Of Emissions From New And In-Use Marine Compression-Ignition Engines And Vessels
1043 Control Of Nox, Sox, And Pm Emissions From Marine Engines And Vessels Subject To The Marpol Protocol
1045 Control Of Emissions From Spark-Ignition Propulsion Marine Engines And Vessels
1048 Control Of Emissions From New, Large Nonroad Spark-Ignition Engines
1051 Control Of Emissions From Recreational Engines And Vehicles
1054 Control Of Emissions From New, Small Nonroad Spark-Ignition Engines And Equipment
1060 Control Of Evaporative Emissions From New And In-Use Nonroad And Stationary Equipment
1065 Engine-Testing Procedures
1066 Vehicle-Testing Procedures
1068 General Compliance Provisions For Highway, Stationary, And Nonroad Programs
1074 Preemption Of State Standards And Procedures For Waiver Of Federal Preemption For Nonroad Engines And Nonroad Vehicles
1075-1089 1089 [Reserved]
1090 Regulation Of Fuels, Fuel Additives, And Regulated Blendstocks
1091-1099 1099 [Reserved]
1400 Distribution Of Off-Site Consequence Analysis Information
1401-1499 1499 [Reserved]
1500-1508 1508 [Reserved]
1515 Freedom Of Information Act Procedures
1516 Privacy Act Implementation
1517 Public Meeting Procedures Of The Council On Environmental Quality
1518 Office Of Environmental Quality Management Fund
1519-1599 1599 [Reserved]
1600 Organization And Functions Of The Chemical Safety And Hazard Investigation Board
1601 Procedures For Disclosure Of Records Under The Freedom Of Information Act
1602 Protection Of Privacy And Access To Individual Records Under The Privacy Act Of 1974
1603 Rules Implementing The Government In The Sunshine Act
1604 Reporting Of Accidental Releases
1610 Administrative Investigations
1611 Testimony By Employees In Legal Proceedings
1612 Production Of Records In Legal Proceedings
1613-1619 1619 [Reserved]
1620 Administrative Claims Arising Under The Federal Tort Claims Act
1621-1699 1699 [Reserved]
1700 Uniform National Discharge Standards For Vessels Of The Armed Forces
1701-1799 1799 [Reserved]
1800 Spill Impact Component
1801-1849 1849 [Reserved]
1850 Availability Of Records
1851-1899 1899 [Reserved]
1900 Federal Permitting Improvement

Title 40 · EPA

Part 400 [Reserved]

40 C.F.R. Part 400 · Updated July 1, 2025

View on eCFR ↗

Source: eCFR Title 40 Part 400 . Updated July 1, 2025.

Part of the Legal Reference Project: Federal Rules · Readable Regs · State Rules

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