Browse Federal regulations

Read the original sections, or search by topic.

40 CFR 52.2346 · Significant deterioration of air quality.
40 CFR 52.2347 · Stack height regulations.
40 CFR 52.2348 · National Highway Systems Designation Act Motor Vehicle Inspection and Maintenance (I/M) Programs.
40 CFR 52.2350 · Emission inventories.
40 CFR 52.2351 · Area-wide nitrogen oxides (NOX) exemption.
40 CFR 52.2352 · Change to approved plan.
40 CFR 52.2353 · Control strategy: Carbon monoxide.
40 CFR 52.2354 · Interstate transport.
40 CFR 52.2355 · Section 110(a)(2) infrastructure requirements.
40 CFR 52.2356 · Interstate pollutant transport provisions; What are the FIP requirements for decreases in emissions of nitrogen oxides?
40 CFR 52.2370 · Identification of plan.
40 CFR 52.2371 · Classification of regions.
40 CFR 52.2372 · Approval status.
40 CFR 52.2373 · [Reserved]
40 CFR 52.2374 · General requirements.
40 CFR 52.2375 · Attainment dates for national standards.
40 CFR 52.2376 · Identification of plan-conditional approvals.
40 CFR 52.2377 · Review of new sources and modifications.
40 CFR 52.2378 · Certification of no facilities.
40 CFR 52.2379 · [Reserved]
40 CFR 52.2380 · Significant deterioration of air quality.
40 CFR 52.2381 · EPA-approved Vermont State regulations.
40 CFR 52.2382 · Rules and regulations.
40 CFR 52.2383 · Visibility protection.
40 CFR 52.2384 · Stack height review.
40 CFR 52.2385 · Requirements for state implementation plan revisions relating to new motor vehicles.
40 CFR 52.2386 · Original identification of plan section.
40 CFR 52.2420 · Identification of plan.
40 CFR 52.2421 · Classification of regions.
40 CFR 52.2422 · [Reserved]
40 CFR 52.2423 · Approval status.
40 CFR 52.2424 · Motor vehicle emissions budgets.
40 CFR 52.2425 · Base Year Emissions Inventory.
40 CFR 52.2426 · Photochemical Assessment Monitoring Stations (PAMS) Program.
40 CFR 52.2427 · [Reserved]
40 CFR 52.2428 · Control Strategy: Carbon monoxide and ozone.
40 CFR 52.2429 · Control strategy: Particulate matter.
40 CFR 52.2430 · Determinations of attainment.
40 CFR 52.2431-52.2439 · §§ 52.2431-52.2439 [Reserved]
40 CFR 52.2440 · Interstate pollutant transport provisions; What are the FIP requirements for decreases in emissions of nitrogen oxides?
40 CFR 52.2441 · Interstate pollutant transport provisions; What are the FIP requirements for decreases in emissions of sulfur dioxide?
40 CFR 52.2442-52.2450 · §§ 52.2442-52.2450 [Reserved]
40 CFR 52.2451 · Significant deterioration of air quality.
40 CFR 52.2452 · Visibility protection.
40 CFR 52.2453 · [Reserved]
40 CFR 52.2454 · Prevention of significant deterioration of air quality for Merck & Co., Inc.'s Stonewall Plant in Elkton, VA.
40 CFR 52.2460 · Small business stationary source technical and environmental compliance assistance program.
40 CFR 52.2465 · Original identification of plan section.
40 CFR 52.2470 · Identification of plan.
40 CFR 52.2471 · Classification of regions.
40 CFR 52.2472 · [Reserved]
40 CFR 52.2473 · Approval status.
40 CFR 52.2474-52.2475 · §§ 52.2474-52.2475 [Reserved]
40 CFR 52.2476 · Discretionary authority.
40 CFR 52.2477 · Original identification of plan section.
40 CFR 52.2478-52.2494 · §§ 52.2478-52.2494 [Reserved]
40 CFR 52.2495 · Voluntary limits on potential to emit.
40 CFR 52.2496 · [Reserved]
40 CFR 52.2497 · Significant deterioration of air quality.
40 CFR 52.2498 · Visibility protection.
40 CFR 52.2499-52.2500 · §§ 52.2499-52.2500 [Reserved]
40 CFR 52.2501 · Best available retrofit technology (BART) requirement for the Tesoro Refining and Marketing Company oil refinery—Better than BART Alternative.
40 CFR 52.2502 · [Reserved]
40 CFR 52.2520 · Identification of plan.
40 CFR 52.2521 · Classification of regions.
40 CFR 52.2522 · Identification of plan-conditional approval.
40 CFR 52.2523-52.2524 · §§ 52.2523-52.2524 [Reserved]
40 CFR 52.2525 · Control strategy: Sulfur dioxide.
40 CFR 52.2526 · Control strategy: Particulate matter.
40 CFR 52.2527 · Determination of attainment.
40 CFR 52.2528 · Significant deterioration of air quality.
40 CFR 52.2529-52.2530 · §§ 52.2529-52.2530 [Reserved]
40 CFR 52.2531 · Base year emissions inventory.
40 CFR 52.2532 · Motor vehicle emissions budgets.
40 CFR 52.2533 · Visibility protection.
40 CFR 52.2534 · Stack height review.
40 CFR 52.2540 · Interstate pollutant transport provisions; What are the FIP requirements for decreases in emissions of nitrogen oxides?
40 CFR 52.2541 · Interstate pollutant transport provisions; What are the FIP requirements for decreases in emissions of sulfur dioxide?
40 CFR 52.2560 · Small business technical and environmental compliance assistance program.
40 CFR 52.2565 · Original identification of plan section.
40 CFR 52.2569 · Identification of plan—conditional approval.
40 CFR 52.2570 · Identification of plan.
40 CFR 52.2571 · Classification of regions.
40 CFR 52.2572 · Approval status.
40 CFR 52.2573 · General requirements.
40 CFR 52.2574 · Legal authority.
40 CFR 52.2575 · Control strategy: Sulfur dioxide.
40 CFR 52.2576 · [Reserved]
40 CFR 52.2577 · Attainment dates for national standards.
40 CFR 52.2578 · Compliance schedules.
40 CFR 52.2579-52.2580 · §§ 52.2579-52.2580 [Reserved]
40 CFR 52.2581 · Significant deterioration of air quality.
40 CFR 52.2582-52.2583 · §§ 52.2582-52.2583 [Reserved]
40 CFR 52.2584 · Control strategy; Particulate matter.
40 CFR 52.2585 · Control strategy: Ozone.
40 CFR 52.2586 · Small business stationary source technical and environmental compliance assistance program.
40 CFR 52.2587 · Interstate pollutant transport provisions; What are the FIP requirements for decreases in emissions of nitrogen oxides?
40 CFR 52.2588 · Interstate pollutant transport provisions; What are the FIP requirements for decreases in emissions of sulfur dioxide?
40 CFR 52.2589 · Wisconsin construction permit permanency revision.
40 CFR 52.2590 · Operating permits.