| Chapter 3745-1. Water Quality Standards |
| Chapter 3745-2. Attainment and Protection of Surface Water Quality Standards (WQS) |
| Chapter 3745-3. Pretreatment Rules |
| Chapter 3745-4. Surface Water Monitoring and Assessment |
| Chapter 3745-5. Water Quality Trading Program |
| Chapter 3745-7. Water Supply Works and Wastewater Works Personnel |
| Chapter 3745-9. Water Well Standards |
| Chapter 3745-11. Connection Ban Standards |
| Chapter 3745-14. Nitrogen Oxides-Reasonably Available Control Technology |
| Chapter 3745-15. General Provisions on Air Pollution Control |
| Chapter 3745-16. Stack Height Requirements |
| Chapter 3745-17. Particulate Matter Standards |
| Chapter 3745-18. Sulfur Dioxide Regulations |
| Chapter 3745-19. Open Burning Standards |
| Chapter 3745-20. Asbestos Emission Control |
| Chapter 3745-21. Carbon Monoxide, Ozone, Hydrocarbon Air Quality Standards, and Related Emission Requirements |
| Chapter 3745-22. Asbestos Hazard Abatement |
| Chapter 3745-23. Nitrogen Oxide Standards |
| Chapter 3745-24. Nitrogen Oxide Emission Statements |
| Chapter 3745-25. Emergency Episode Standards |
| Chapter 3745-26. I/M Program Rules and Regulations |
| Chapter 3745-27. Solid Waste and Infectious Waste Regulations |
| Chapter 3745-28. Solid Waste Disposal Fees |
| Chapter 3745-29. Industrial Solid Waste Landfill Facilities |
| Chapter 3745-30. Residual Solid Waste Disposal |
| Chapter 3745-31. Permit-to-Install New Sources and Permit-to-Install and Operate Program |
| Chapter 3745-32. Section 401 Water Quality Certifications |
| Chapter 3745-33. Ohio NPDES Individual Permits |
| Chapter 3745-34. Underground Injection Control Program |
| Chapter 3745-35. Air Permits to Operate and Variances |
| Chapter 3745-36. Permit Program Regulating Discharge of Nondomestic Wastewater into a POTW |
| Chapter 3745-37. Licenses for Solid Waste, Infectious Waste Treatment, or Construction and Demolition Debris Facilities |
| Chapter 3745-38. Ohio NPDES General Permits |
| Chapter 3745-39. Phase II Storm Water Rules - Small Municipal Separate Storm Sewer Systems (MS4s) |
| Chapter 3745-40. Sewage Sludge |
| Chapter 3745-42. Permits to Install and Plan Approvals for Water Pollution Control |
| Chapter 3745-45. Permit Fees |
| Chapter 3745-47. Procedural Rules |
| Chapter 3745-48. Accessing Confidential Personal Information |
| Chapter 3745-49. Miscellaneous Rules |
| Chapter 3745-50. Hazardous Waste Management System-General |
| Chapter 3745-51. Identification and Listing of Hazardous Waste |
| Chapter 3745-52. Generator Standards |
| Chapter 3745-53. Transporter Standards |
| Chapter 3745-54. General Facility Standards-New Facilities |
| Chapter 3745-55. Corrective Action, Closure, Post-Closure, and Financial Requirements |
| Chapter 3745-56. Surface Impoundments, Waste Piles, and Tanks |
| Chapter 3745-57. Disposal of Hazardous Waste in Landfills |
| Chapter 3745-58. Recyclable Material Standards |
| Chapter 3745-65. Interim Standards-General Provisions |
| Chapter 3745-66. Closure and Post-Closure Under Interim Standards |
| Chapter 3745-67. Surface Impoundments |
| Chapter 3745-68. Landfills, Incinerators, Thermal Treatment, Miscellaneous Units |
| Chapter 3745-69. Miscellaneous Treatment Methods |
| Chapter 3745-71. Lead Emissions |
| Chapter 3745-72. Low Reid Vapor Pressure Fuel Requirements |
| Chapter 3745-73. Total Reduced Sulfur |
| Chapter 3745-75. Infectious Waste Incinerator Limitations |
| Chapter 3745-76. Municipal Solid Waste Landfill Emissions |
| Chapter 3745-77. Title V Permits |
| Chapter 3745-78. Air Pollution Control Fees |
| Chapter 3745-79. Small Business Technical Assistance Program |
| Chapter 3745-80. Statewide Motor Vehicle Anti-Tampering Program |
| Chapter 3745-81. Primary Drinking Water Rules |
| Chapter 3745-82. Secondary Maximum Contaminant Levels |
| Chapter 3745-83. Operational Requirements |
| Chapter 3745-84. Public Water Systems Licenses |
| Chapter 3745-85. Contingency Plans |
| Chapter 3745-86. Drinking Water Protection Fund |
| Chapter 3745-87. New Community or Non-Transient Non-Community Public Water Systems |
| Chapter 3745-88. Disadvantaged Assistance |
| Chapter 3745-89. Laboratory Approval |
| Chapter 3745-90. Harmful Algal Blooms |
| Chapter 3745-91. Plans Approval |
| Chapter 3745-92. Escrow Requirements |
| Chapter 3745-95. Backflow Prevention and Cross-Connection Control |
| Chapter 3745-96. Annual Report to Customers by Community Water System |
| Chapter 3745-99. Miscellaneous |
| Chapter 3745-100. Toxic Chemical Release Reporting |
| Chapter 3745-101. Transportation Conformity |
| Chapter 3745-102. General Federal Action Conformity |
| Chapter 3745-103. Acid Rain Operating Permits for Electrical Generating Units |
| Chapter 3745-104. Accidental Release Prevention Program |
| Chapter 3745-105. Pathological Waste Incinerators |
| Chapter 3745-107. |
| Chapter 3745-108. Hg Budget Trading Program |
| Chapter 3745-109. Emissions Trading Programs |
| Chapter 3745-110. Nitrogen Oxides - Reasonably Available Control Technology |
| Chapter 3745-111. Voluntary Emission Reduction Credit Banking Program |
| Chapter 3745-112. Volatile Organic Compound Limits in Consumer Products |
| Chapter 3745-113. Architextural and Industrial Maintenance (AIM) Coatings |
| Chapter 3745-114. Toxic Air Contaminants |
| Chapter 3745-150. Water Pollution Control Loans |
| Chapter 3745-205. Hazardous Waste Containment Buildings, Munitions or Explosives |
| Chapter 3745-218. Containment Buildings for Hazardous Wastes Meeting No Visible Emissions Standard |
| Chapter 3745-248. Containment Buildings for Hazardous Wastes |
| Chapter 3745-256. Containment Buildings, Military Munitions |
| Chapter 3745-266. Disposal Standards |
| Chapter 3745-270. Hazardous Wastes Restricted from Land Disposal |
| Chapter 3745-273. Management Standards for Universal Waste |
| Chapter 3745-279. Used Oil Management Standards |
| Chapter 3745-300. Voluntary Action Program |
| Chapter 3745-352. Cessation of Regulated Operations (CRO) Rules |
| Chapter 3745-400. Disposal Methods for Construction and Demolition Debris; Licensed Facilities |
| Chapter 3745-500. Administration |
| Chapter 3745-501. Licensing |
| Chapter 3745-502. Solid Waste Disposal Fees |
| Chapter 3745-503. Financial Assurance |
| Chapter 3745-512. Construction |
| Chapter 3745-513. Activities |
| Chapter 3745-520. Construction and Demolition Debris Facilities |
| Chapter 3745-555. Solid Waste Transfer Facilities |
| Chapter 3745-560. Composting Facilities |
| Chapter 3745-599. Beneficial Use of Wastes |