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40 CFR 52.2591 · Section 110(a)(2) infrastructure requirements.
40 CFR 52.2592 · Review of new sources and modifications.
40 CFR 52.2593 · Visibility protection.
40 CFR 52.2594 · Original identification of plan section.
40 CFR 52.2620 · Identification of plan.
40 CFR 52.2621 · Classification of regions.
40 CFR 52.2622 · Approval status.
40 CFR 52.2623 · Control strategy and regulations: Ozone.
40 CFR 52.2624 · Control strategy and regulations: Particulate matter.
40 CFR 52.2625 · Compliance schedules.
40 CFR 52.2626-52.2629 · §§ 52.2626-52.2629 [Reserved]
40 CFR 52.2630 · Prevention of significant deterioration of air quality.
40 CFR 52.2631 · [Reserved]
40 CFR 52.2632 · Visibility protection. [Reserved]
40 CFR 52.2633 · Stack height regulations.
40 CFR 52.2634 · Correction of approved plan.
40 CFR 52.2635 · Original identification of plan section.
40 CFR 52.2636 · Implementation plan for regional haze.
40 CFR 52.2637 · Federal implementation plan for reasonable attributable visibility impairment long-term strategy.
40 CFR 52.2670 · Identification of plan.
40 CFR 52.2671 · Classification of regions.
40 CFR 52.2672 · Approval status.
40 CFR 52.2673 · Original identification of plan.
40 CFR 52.2674-52.2675 · §§ 52.2674-52.2675 [Reserved]
40 CFR 52.2676 · Significant deterioration of air quality.
40 CFR 52.2677 · [Reserved]
40 CFR 52.2678 · Control strategy and regulations: Particulate matter.
40 CFR 52.2679 · Control strategy and regulations: Sulfur dioxide.
40 CFR 52.2680-52.2681 · §§ 52.2680-52.2681 [Reserved]
40 CFR 52.2682 · Air quality surveillance.
40 CFR 52.2683 · [Reserved]
40 CFR 52.2684 · Source surveillance.
40 CFR 52.2685 · [Reserved]
40 CFR 52.2686 · Upset-breakdown reporting.
40 CFR 52.2720 · Identification of plan.
40 CFR 52.2721 · Classification of regions.
40 CFR 52.2722 · Approval status.
40 CFR 52.2723 · EPA-approved Puerto Rico regulations and laws.
40 CFR 52.2724 · [Reserved]
40 CFR 52.2725 · General requirements.
40 CFR 52.2726 · Legal authority.
40 CFR 52.2727 · Control strategy and regulations: Lead.
40 CFR 52.2728 · [Reserved]
40 CFR 52.2729 · Significant deterioration of air quality.
40 CFR 52.2730 · Section 110(a)(2) infrastructure requirements.
40 CFR 52.2731 · Control strategy and regulations: Sulfur oxides.
40 CFR 52.2732 · Small business technical and environmental compliance assistance program.
40 CFR 52.2770 · Identification of plan.
40 CFR 52.2771 · Classification of regions.
40 CFR 52.2772 · Approval status.
40 CFR 52.2773 · EPA-approved Virgin Islands regulations.
40 CFR 52.2774 · [Reserved]
40 CFR 52.2775 · Review of new sources and modifications.
40 CFR 52.2776-52.2778 · §§ 52.2776-52.2778 [Reserved]
40 CFR 52.2779 · Significant deterioration of air quality.
40 CFR 52.2780 · Control strategy for sulfur oxides.
40 CFR 52.2781 · Visibility protection.
40 CFR 52.2782 · Small business technical and environmental compliance assistance program.
40 CFR 52.2820 · Identification of plan.
40 CFR 52.2821 · Classification of regions.
40 CFR 52.2822 · Approval status.
40 CFR 52.2823 · Original identification of plan.
40 CFR 52.2824 · Review of new sources and modifications.
40 CFR 52.2825-52.2826 · §§ 52.2825-52.2826 [Reserved]
40 CFR 52.2827 · Significant deterioration of air quality.
40 CFR 52.2850 · Approval and promulgation of implementation plans.
40 CFR 52.2900 · Negative declaration.
40 CFR 52.2920 · Identification of plan.
40 CFR 52.2921 · Original identification of plan.
40 CFR 52.2922 · Significant deterioration of air quality.
40 CFR 52.2923-52.2999 · §§ 52.2923-52.2999 [Reserved]
40 CFR Appendixes A-C to Part 52 · Appendixes A-C to Part 52 [Reserved]
40 CFR Appendix D to Part 52 · Appendix D to Part 52—Determination of Sulfur Dioxide Emissions From Stationary Sources by Continuous Monitors
40 CFR Appendix E to Part 52 · Appendix E to Part 52—Performance Specifications and, Specification Test Procedures for Monitoring Systems for Effluent Stream Gas Volumetric Flow Rate
40 CFR Appendix F to Part 52 · Appendix F to Part 52—Clean Air Act Section 126 Petitions From Eight Northeastern States: Named Source Categories and Geographic Coverage
40 CFR 53.1 · Definitions.
40 CFR 53.2 · General requirements for a reference method determination.
40 CFR 53.3 · General requirements for an equivalent method determination.
40 CFR 53.4 · Applications for reference or equivalent method determinations.
40 CFR 53.5 · Processing of applications.
40 CFR 53.6 · Right to witness conduct of tests.
40 CFR 53.7 · Testing of methods at the initiative of the Administrator.
40 CFR 53.8 · Designation of reference and equivalent methods.
40 CFR 53.9 · Conditions of designation.
40 CFR 53.10 · Appeal from rejection of application.
40 CFR 53.11 · Cancellation of reference or equivalent method designation.
40 CFR 53.12 · Request for hearing on cancellation.
40 CFR 53.13 · Hearings.
40 CFR 53.14 · Modification of a reference or equivalent method.
40 CFR 53.15 · Trade secrets and confidential or privileged information.
40 CFR 53.16 · Supersession of reference methods.
40 CFR Table A-1 to Subpart A of Part 53 · Table A-1 to Subpart A of Part 53—Summary of Applicable Requirements for Reference and Equivalent Methods for Air Monitoring of Criteria Pollutants
40 CFR Appendix A to Subpart A of Part 53 · Appendix A to Subpart A of Part 53—References
40 CFR 53.20 · General provisions.
40 CFR 53.21 · Test conditions.
40 CFR 53.22 · Generation of test atmospheres.
40 CFR 53.23 · Test procedures.
40 CFR Figure B-1 to Subpart B of Part 53 · Figure B-1 to Subpart B of Part 53—Example
40 CFR Table B-1 to Subpart B of Part 53 · Table B-1 to Subpart B of Part 53—Performance Limit Specifications for Automated Methods
40 CFR Table B-2 to Subpart B of Part 53 · Table B-2 to Subpart B of Part 53—Test Atmospheres