CFR
- Title 1 - General Provisions
- Title 2 - Grants and Agreements
- Title 3 - The President
- Title 4 - Accounts
- Title 5 - Administrative Personnel
- Title 6 - Domestic Security
- Title 7 - Agriculture
- Title 8 - Aliens and Nationality
- Title 9 - Animals and Animal Products
- Title 10 - Energy
- Title 11 - Federal Elections
- Title 12 - Banks and Banking
- Title 13 - Business Credit and Assistance
- Title 14 - Aeronautics and Space
- Title 15 - Commerce and Foreign Trade
- Title 16 - Commercial Practices
- Title 17 - Commodity and Securities Exchanges
- Title 18 - Conservation of Power and Water Resources
- Title 19 - Customs Duties
- Title 20 - Employees' Benefits
- Title 21 - Food and Drugs
- Title 22 - Foreign Relations
- Title 23 - Highways
- Title 24 - Housing and Urban Development
- Title 25 - Indians
- Title 26 - Internal Revenue
- Title 27 - Alcohol, Tobacco Products and Firearms
- Title 28 - Judicial Administration
- Title 29 - Labor
- Title 30 - Mineral Resources
- Title 31 - Money and Finance: Treasury
- Title 32 - National Defense
- Title 33 - Navigation and Navigable Waters
- Title 34 - Education
- Title 35 - Panama Canal
- Title 36 - Parks, Forests, and Public Property
- Title 37 - Patents, Trademarks, and Copyrights
- Title 38 - Pensions, Bonuses, and Veterans' Relief
- Title 39 - Postal Service
- Title 40 - Protection of Environment
- Title 41 - Public Contracts and Property Management
- Title 42 - Public Health
- Title 43 - Public Lands: Interior
- Title 44 - Emergency Management and Assistance
- Title 45 - Public Welfare
- Title 46 - Shipping
- Title 47 - Telecommunication
- Title 48 - Federal Acquisition Regulations System
- Title 49 - Transportation
- Title 50 - Wildlife and Fisheries
SUBCHAPTER D—WATER PROGRAMS (Parts 100–149)
- PART 104—PUBLIC HEARINGS ON EFFLUENT STANDARDS FOR TOXIC POLLUTANTS
- PART 105—RECOGNITION AWARDS UNDER THE CLEAN WATER ACT
- PART 108—EMPLOYEE PROTECTION HEARINGS
- PART 109—CRITERIA FOR STATE, LOCAL AND REGIONAL OIL REMOVAL CONTINGENCY PLANS
- PART 110—DISCHARGE OF OIL
- PART 112—OIL POLLUTION PREVENTION
- PART 113—LIABILITY LIMITS FOR SMALL ONSHORE STORAGE FACILITIES
- PART 116—DESIGNATION OF HAZARDOUS SUBSTANCES
- PART 117—DETERMINATION OF REPORTABLE QUANTITIES FOR HAZARDOUS SUBSTANCES
- PART 121—STATE CERTIFICATION OF ACTIVITIES REQUIRING A FEDERAL LICENSE OR PERMIT
- PART 122—EPA ADMINISTERED PERMIT PROGRAMS: THE NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM
- PART 123—STATE PROGRAM REQUIREMENTS
- PART 124—PROCEDURES FOR DECISIONMAKING
- PART 125—CRITERIA AND STANDARDS FOR THE NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM
- PART 129—TOXIC POLLUTANT EFFLUENT STANDARDS
- PART 130—WATER QUALITY PLANNING AND MANAGEMENT
- PART 131—WATER QUALITY STANDARDS
- PART 132—WATER QUALITY GUIDANCE FOR THE GREAT LAKES SYSTEM
- PART 133—SECONDARY TREATMENT REGULATION
- PART 135—PRIOR NOTICE OF CITIZEN SUITS
- PART 136—GUIDELINES ESTABLISHING TEST PROCEDURES FOR THE ANALYSIS OF POLLUTANTS
- PART 140—MARINE SANITATION DEVICE STANDARD
- PART 141—NATIONAL PRIMARY DRINKING WATER REGULATIONS
- PART 142—NATIONAL PRIMARY DRINKING WATER REGULATIONS IMPLEMENTATION
- PART 143—NATIONAL SECONDARY DRINKING WATER REGULATIONS
- PART 144—UNDERGROUND INJECTION CONTROL PROGRAM
- PART 145—STATE UIC PROGRAM REQUIREMENTS
- PART 146—UNDERGROUND INJECTION CONTROL PROGRAM: CRITERIA AND STANDARDS
- PART 147—STATE, TRIBAL, AND EPA-ADMINISTERED UNDERGROUND INJECTION CONTROL PROGRAMS
- PART 148—HAZARDOUS WASTE INJECTION RESTRICTIONS
- PART 149—SOLE SOURCE AQUIFERS
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