Site Feedback

Title 40

Displaying title 40, up to date as of 9/20/2021. Title 40 was last amended 9/20/2021.
eCFR Content

The Code of Federal Regulations (CFR) is the official legal print publication containing the codification of the general and permanent rules published in the Federal Register by the departments and agencies of the Federal Government. The Electronic Code of Federal Regulations (eCFR) is a continuously updated online version of the CFR. It is not an official legal edition of the CFR.

Learn more about the eCFR, its status, and the editorial process.

Title 40 Protection of Environment Part / Section
Chapter I Environmental Protection Agency 1 – 1099
Subchapter N Effluent Guidelines and Standards 400 – 471
Part 400 [Reserved]
Part 401 General Provisions 401.10 – 401.17
Part 402 [Reserved]
Part 403 General Pretreatment Regulations for Existing and New Sources of Pollution 403.1 – 403.20
Part 405 Dairy Products Processing Point Source Category 405.10 – 405.127
Part 406 Grain Mills Point Source Category 406.10 – 406.107
Part 407 Canned and Preserved Fruits and Vegetables Processing Point Source Category 407.10 – 407.87
Part 408 Canned and Preserved Seafood Processing Point Source Category 408.10 – 408.337
Part 409 Sugar Processing Point Source Category 409.10 – 409.87
Part 410 Textile Mills Point Source Category 410.00 – 410.97
Part 411 Cement Manufacturing Point Source Category 411.10 – 411.37
Part 412 Concentrated Animal Feeding Operations (CAFO) Point Source Category 412.1 – 412.47
Part 413 Electroplating Point Source Category 413.01 – 413.84
Part 414 Organic Chemicals, Plastics, and Synthetic Fibers 414.10 – 414.111
Part 415 Inorganic Chemicals Manufacturing Point Source Category 415.01 – 415.677
Part 416 [Reserved]
Part 417 Soap and Detergent Manufacturing Point Source Category 417.10 – 417.196
Part 418 Fertilizer Manufacturing Point Source Category 418.10 – 418.77
Part 419 Petroleum Refining Point Source Category 419.10 – 419.57
Part 420 Iron and Steel Manufacturing Point Source Category 420.01 – 420.137
Part 421 Nonferrous Metals Manufacturing Point Source Category 421.1 – 421.337
Part 422 Phosphate Manufacturing Point Source Category 422.10 – 422.67
Part 423 Steam Electric Power Generating Point Source Category 423.10 – 423.19
Part 424 Ferroalloy Manufacturing Point Source Category 424.10 – 424.77
Part 425 Leather Tanning and Finishing Point Source Category 425.01 – 425.96
Part 426 Glass Manufacturing Point Source Category 426.10 – 426.137
Part 427 Asbestos Manufacturing Point Source Category 427.10 – 427.116
Part 428 Rubber Manufacturing Point Source Category 428.10 – 428.116
Part 429 Timber Products Processing Point Source Category 429.10 – 429.176
Part 430 The Pulp, Paper, and Paperboard Point Source Category 430.00 – 430.127
Part 431 [Reserved]
Part 432 Meat and Poultry Products Point Source Category 432.1 – 432.127
Part 433 Metal Finishing Point Source Category 433.10 – 433.17
Part 434 Coal Mining Point Source Category BPT, Bat, BCT Limitations and New Source Performance Standards 434.10 – 434.85
Part 435 Oil and Gas Extraction Point Source Category 435.10 – 435.70
Part 436 Mineral Mining and Processing Point Source Category 436.20 – 436.382
Part 437 The Centralized Waste Treatment Point Source Category 437.1 – 437.47
Part 438 Metal Products and Machinery Point Source Category 438.1 – 438.15
Part 439 Pharmaceutical Manufacturing Point Source Category 439.0 – 439.52
Part 440 Ore Mining and Dressing Point Source Category 440.10 – 440.148
Part 441 Dental Office Point Source Category 441.10 – 441.50
Part 442 Transportation Equipment Cleaning Point Source Category 442.1 – 442.44
Part 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 443.10 – 443.46
Part 444 Waste Combustors Point Source Category 444.10 – 444.18
Part 445 Landfills Point Source Category 445.1 – 445.24
Part 446 Paint Formulating Point Source Category 446.10 – 446.16
Part 447 Ink Formulating Point Source Category 447.10 – 447.16
Part 449 Airport Deicing Point Source Category 449.1 – 449.20
Part 450 Construction and Development Point Source Category 450.10 – 450.24
Part 451 Concentrated Aquatic Animal Production Point Source Category 451.1 – 451.24
Part 454 Gum and Wood Chemicals Manufacturing Point Source Category 454.10 – 454.62
Part 455 Pesticide Chemicals 455.10 – 455.67
Part 457 Explosives Manufacturing Point Source Category 457.10 – 457.32
Part 458 Carbon Black Manufacturing Point Source Category 458.10 – 458.46
Part 459 Photographic Point Source Category 459.10 – 459.12
Part 460 Hospital Point Source Category 460.10 – 460.12
Part 461 Battery Manufacturing Point Source Category 461.1 – 461.75
Part 463 Plastics Molding and Forming Point Source Category 463.1 – 463.37
Part 464 Metal Molding and Casting Point Source Category 464.01 – 464.47
Part 465 Coil Coating Point Source Category 465.01 – 465.46
Part 466 Porcelain Enameling Point Source Category 466.01 – 466.45
Part 467 Aluminum Forming Point Source Category 467.01 – 467.67
Part 468 Copper Forming Point Source Category 468.01 – 468.20
Part 469 Electrical and Electronic Components Point Source Category 469.10 – 469.43
Part 471 Nonferrous Metals Forming and Metal Powders Point Source Category 471.01 – 471.106