U.S. Code of Federal Regulations

Regulations most recently checked for updates: Jan 21, 2026

All TitlesTitle 40Chapter IPart 52Subpart W - Subpart W—Massachusetts
§ 52.1119 - Identification of plan—conditional approval.
§ 52.1120 - Identification of plan.
§ 52.1121 - Classification of regions.
§ 52.1122 - [Reserved]
§ 52.1123 - Approval status.
§ 52.1124 - Review of new sources and modifications.
§ 52.1125 - Emission inventories.
§ 52.1126 - Control strategy: Sulfur oxides.
§ 52.1127 - Attainment dates for national standards.
§ 52.1128 - Transportation and land use controls.
§ 52.1129 - Control strategy: Ozone.
§ 52.1130 - [Reserved]
§ 52.1131 - Control strategy: Particulate matter.
§ 52.1132 - Control strategy: Carbon Monoxide.
§ 52.1133 - [Reserved]
§ 52.1134 - Regulation limiting on-street parking by commuters.
§ 52.1135 - Regulation for parking freeze.
§§ 52.1136-52.1144 - §[Reserved]
§ 52.1145 - Regulation on organic solvent use.
§ 52.1146 - [Reserved]
§ 52.1147 - Federal compliance schedules.
§§ 52.1148-52.1158 - §[Reserved]
§ 52.1159 - Enhanced Motor Vehicle Inspection and Maintenance.
§ 52.1160 - [Reserved]
§ 52.1161 - Incentives for reduction in single-passenger commuter vehicle use.
§ 52.1162 - Regulation for bicycle use.
§ 52.1163 - Additional control measures for East Boston.
§ 52.1164 - Localized high concentrations—carbon monoxide.
§ 52.1165 - Significant deterioration of air quality.
§ 52.1166 - Original identification of plan.
§ 52.1167 - EPA-approved Massachusetts State regulations.
§ 52.1168 - Certification of no sources.
§ 52.1168a - Part D—Disapproval of Rules and Regulations.
§ 52.1169 - Stack height review.
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