Browse Federal regulations

Read the original sections, or search by topic.

40 CFR 52.40 · What are the requirements of the Federal Implementation Plans (FIPs) relating to ozone season emissions of nitrogen oxides from sources not subject to the CSAPR ozone season trading program?
40 CFR 52.41 · What are the requirements of the Federal Implementation Plans (FIPs) relating to ozone season emissions of nitrogen oxides from the Pipeline Transportation of Natural Gas Industry?
40 CFR 52.42 · What are the requirements of the Federal Implementation Plans (FIPs) relating to ozone season emissions of nitrogen oxides from the Cement and Concrete Product Manufacturing Industry?
40 CFR 52.43 · What are the requirements of the Federal Implementation Plans (FIPs) relating to ozone season emissions of nitrogen oxides from the Iron and Steel Mills and Ferroalloy Manufacturing Industry?
40 CFR 52.44 · What are the requirements of the Federal Implementation Plans (FIPs) relating to ozone season emissions of nitrogen oxides from the Glass and Glass Product Manufacturing Industry?
40 CFR 52.45 · What are the requirements of the Federal Implementation Plans (FIPs) relating to ozone season emissions of nitrogen oxides from the Basic Chemical Manufacturing, Petroleum and Coal Products Manufacturing, the Pulp, Paper, and Paperboard Mills Industries, Metal Ore Mining, and the Iron and Steel and Ferroalloy Manufacturing Industries?
40 CFR 52.46 · What are the requirements of the Federal Implementation Plans (FIPs) relating to ozone season emissions of nitrogen oxides from Municipal Waste Combustors?
40 CFR 52.49 · [Reserved]
40 CFR 52.50 · Identification of plan.
40 CFR 52.51 · Classification of regions.
40 CFR 52.53 · Approval status.
40 CFR 52.54 · Interstate pollutant transport provisions; What are the FIP requirements for decreases in emissions of nitrogen oxides?
40 CFR 52.55 · Interstate pollutant transport provisions; What are the FIP requirements for decreases in emissions of sulfur dioxide?
40 CFR 52.56 · Control strategy: Ozone.
40 CFR 52.57 · Control strategy: Sulfur oxides.
40 CFR 52.58 · Control strategy: Lead.
40 CFR 52.60 · Significant deterioration of air quality.
40 CFR 52.61 · [Reserved]
40 CFR 52.62 · Control strategy: Sulfur oxides and particulate matter.
40 CFR 52.63 · PM10 State Implementation Plan development in group II areas.
40 CFR 52.64 · Determination of attainment.
40 CFR 52.65 · Control Strategy: Nitrogen oxides.
40 CFR 52.66 · [Reserved]
40 CFR 52.69 · Original identification of plan section.
40 CFR 52.70 · Identification of plan.
40 CFR 52.71 · Classification of regions.
40 CFR 52.72 · Approval status.
40 CFR 52.73 · Approval of plans.
40 CFR 52.74 · Original identification of plan section.
40 CFR 52.75 · [Reserved]
40 CFR 52.76 · 1990 Base Year Emission Inventory.
40 CFR 52.77-52.81 · §§ 52.77-52.81 [Reserved]
40 CFR 52.82 · Extensions.
40 CFR 52.83-52.95 · §§ 52.83-52.95 [Reserved]
40 CFR 52.96 · Significant deterioration of air quality.
40 CFR 52.97-52.98 · §§ 52.97-52.98 [Reserved]
40 CFR 52.119 · Identification of plan—conditional approvals.
40 CFR 52.120 · Identification of plan.
40 CFR 52.121 · Classification of regions.
40 CFR 52.122 · Negative declarations.
40 CFR 52.123 · Approval status.
40 CFR 52.124 · Part D disapproval.
40 CFR 52.125 · Control strategy and regulations: Sulfur oxides.
40 CFR 52.126 · Control strategy and regulations: Particulate matter.
40 CFR 52.127 · Control strategy and regulations: Lead.
40 CFR 52.128 · Rule for unpaved parking lots, unpaved roads and vacant lots.
40 CFR 52.129 · Review of new sources and modifications.
40 CFR 52.130 · Source surveillance.
40 CFR 52.131 · Control Strategy and regulations: Fine Particle Matter.
40 CFR 52.132 · [Reserved]
40 CFR 52.133 · Rules and regulations.
40 CFR 52.134 · Compliance schedules.
40 CFR 52.135 · Resources.
40 CFR 52.136 · Control strategy for ozone: Oxides of nitrogen.
40 CFR 52.137 · [Reserved]
40 CFR 52.138 · Conformity procedures.
40 CFR 52.139 · [Reserved]
40 CFR 52.140 · Monitoring transportation trends.
40 CFR 52.141 · [Reserved]
40 CFR 52.142 · Federal Implementation Plan for Tri-Cities landfill, Salt River Pima-Maricopa Indian Community.
40 CFR 52.143 · [Reserved]
40 CFR 52.144 · Significant deterioration of air quality.
40 CFR 52.145 · Visibility protection.
40 CFR 52.146 · Particulate matter (PM-10) Group II SIP commitments.
40 CFR 52.147 · Interstate transport.
40 CFR 52.150 · Yavapai-Apache Reservation.
40 CFR 52.151 · Operating permits.
40 CFR 52.152 · Original identification of plan.
40 CFR 52.153 · Control strategy and regulations: Ozone.
40 CFR 52.170 · Identification of plan.
40 CFR 52.171 · Classification of regions.
40 CFR 52.172 · Approval status.
40 CFR 52.173 · Visibility protection.
40 CFR 52.174 · Control strategy and regulations: Ozone.
40 CFR 52.175-52.180 · §§ 52.175-52.180 [Reserved]
40 CFR 52.181 · Significant deterioration of air quality.
40 CFR 52.183 · Small business assistance program.
40 CFR 52.184 · Interstate pollutant transport provisions; What are the FIP requirements for decreases in emissions of nitrogen oxides?
40 CFR 52.200 · Original identification of plan section.
40 CFR 52.220 · Identification of plan—in part.
40 CFR 52.220a · a Identification of plan—in part.
40 CFR 52.221 · Classification of regions.
40 CFR 52.222 · Negative declarations.
40 CFR 52.223 · Approval status.
40 CFR 52.224 · General requirements.
40 CFR 52.225 · Legal authority.
40 CFR 52.226 · Control strategy and regulations: Particulate matter, San Joaquin Valley and Mountain Counties Intrastate Regions.
40 CFR 52.227 · Control strategy and regulations: Particulate matter, Metropolitan Los Angeles Intrastate Region.
40 CFR 52.228 · Regulations: Particulate matter, Southeast Desert Intrastate Region.
40 CFR 52.229 · Control strategy and regulations: Photochemical oxidants (hydrocarbons), Metropolitan Los Angeles Intrastate Region.
40 CFR 52.230 · Control strategy and regulations: Nitrogen dioxide.
40 CFR 52.231 · Regulations: Sulfur oxides.
40 CFR 52.232 · Part D conditional approval.
40 CFR 52.233 · Review of new sources and modifications.
40 CFR 52.234 · Source surveillance.
40 CFR 52.235 · Control strategy for ozone: Oxides of nitrogen.
40 CFR 52.236 · Rules and regulations.
40 CFR 52.237 · Part D disapproval.
40 CFR 52.238 · Commitment to undertake rulemaking.
40 CFR 52.239 · Alternate compliance plans.