This page lists the sections of the Clean Air Act as amended in 1990. Click on a specific title to see a list of that title's sections. Click on a specific section to see the text of that section.
Sec. 101. Findings and purposes.
Sec. 102. Cooperative activities and uniform
laws.
Sec. 103. Research, investigation, training, and
other activities.
Sec. 104. Research relating to fuels and
vehicles.
Sec. 105. Grants for support of air pollution
planning and control
programs.
Sec. 106. Interstate air quality agencies or
commissions.
Sec. 107. Air quality control regions.
Sec. 108. Air quality criteria and control
techniques.
Sec. 109. National ambient air quality
standards.
Sec. 110. Implementation plans.
Sec. 111. Standards of performance for new
stationary sources.
Sec. 112. National emission standards for
hazardous air
pollutants.
Sec. 113. Federal Enforcement.
Sec. 114. Inspections, monitoring, and
entry.
Sec. 115. International air pollution.
Sec. 116. Retention of state authority.
Sec. 117. President's air quality advisory board
and advisory
committees.
Sec. 118. Control of pollution from federal
facilities.
Sec. 119. Primary nonferrous smelter
orders.
Sec. 120. Noncompliance penalty.
Sec. 121. Consultation.
Sec. 122. Listing of certain unregulated
pollutants.
Sec. 123. Stack heights.
Sec. 124. Assurance of adequacy of state
plans.
Sec. 125. Measures to prevent economic
disruption or
unemployment.
Sec. 126. Interstate pollution
abatement.
Sec. 127. Public notification.
Sec. 128. State boards.
Sec. 129. Solid Waste Combustion.
Sec. 130. Emission Factors.
Sec. 131. Land Use Authority.
The 1990 CAA Amendments replaced Part B with Title VI - Stratospheric Ozone Protection , which follows later on this page. The following sections of Part B were replaced:
Sec. 150. Purposes.
Sec. 151. Findings and definitions.
Sec. 152. Definitions.
Sec. 153. Studies by environmental
protection agency.
Sec. 154. Research and monitoring by
other agencies.
Sec. 155. Progress of regulation.
Sec. 156. International cooperation.
Sec. 157. Regulations.
Sec. 158. Other provisions
unaffected.
Sec. 159. State authority.
Sec. 160. Purposes.
Sec. 161. Plan requirements.
Sec. 162. Initial classifications.
Sec. 163. Increments and ceilings.
Sec. 164. Area redesignation.
Sec. 165. Preconstruction requirements.
Sec. 166. Other pollutants.
Sec. 167. Enforcement.
Sec. 168. Period before plan approval.
Sec. 169. Definitions.
Sec. 169a. Visibility protection for federal
class I areas.
Sec. 169b. Visibility
Sec. 171. Definitions.
Sec. 172. Nonattainment plan provisions.
Sec. 173. Permit requirements.
Sec. 174. Planning procedures.
Sec. 175. Environmental protection agency
grants.
Sec. 176. Limitation on certain federal
assistance.
Sec. 176A. Interstate Transport
Commissions.
Sec. 177. New motor vehicle emission standards
in nonattainment
areas.
Sec. 178. Guidance documents.
Sec. 179. Sanctions and consequences of
failure to attain
Sec. 179B. International border
areas
Sec. 181. Classifications and
attainment dates.
Sec. 182. Plan submissions and
requirements.
Sec. 183. Federal ozone measures.
Sec. 184. Control of interstate ozone air
pollution.
Sec. 185. Enforcement for Severe and Extreme
ozone nonattainment areas for failure to attain.
Sec. 185A. Transitional areas.
Sec. 185B. NOx and VOC study.
Sec. 186. Classification and attainment
dates.
Sec. 187. Plan submissions and
requirements.
Sec. 188. Classification and attainment dates.
Sec. 189. Plan provisions and schedules for plan
submissions.
Sec. 190. Issuance of RACM and BACM guidance.
Sec. 191. Plan submission deadlines.
Sec. 192. Attainment dates.
Sec. 193. General savings clause.
Sec. 202. Establishment of standards.
Sec. 203. Prohibited acts.
Sec. 204. Injunction proceedings.
Sec. 205. Penalties.
Sec. 206. Motor vehicle and motor vehicle engine
compliance testing and
certification.
Sec. 207. Compliance by vehicles and engines in
actual use.
Sec. 208. Records and reports.
Sec. 209. State standards.
Sec. 210. State grants.
Sec. 211. Regulation of fuels.
Sec. 212. Development of low-emission
vehicles.
Sec. 213. Nonroad engines and vehicles.
Sec. 214. Study of particulate emissions from
motor vehicles.
Sec. 215. High altitude performance
adjustments.
Sec. 216. Definitions for part A.
Sec. 217. Motor vehicle compliance program fees.
Sec. 218. Prohibition on production of engines requiring leaded gasoline.
Sec. 219. Urban bus standards.
Sec. 231. Establishment of standards.
Sec. 232. Enforcement of standards.
Sec. 233. State standards and controls.
Sec. 234. Definitions.
Sec. 241. Definitions.
Sec. 242. Requirements Applicable to clean fuel
vehicles.
Sec. 243. Standards for light-duty clean fuel
vehicles.
Sec. 244. Administration and enforcement as per
California standards.
Sec. 245. Standards for heavy-duty clean-fuel
vehicles(GVWR above 8,500 up to 26,000 lbs).
Sec. 246. Centrally fueled fleets.
Sec. 247. Vehicle conversions.
Sec. 248. Federal agency fleets.
Sec. 249. California pilot test program.
Sec. 250. General provisions.
Sec. 301. Administration.
Sec. 302. Definitions.
Sec. 303. Emergency powers.
Sec. 304. Citizen suits.
Sec. 305. Representation in litigation.
Sec. 306. Federal procurement.
Sec. 307. General provisions relating to
administrative proceedings and
judicial review.
Sec. 308. Mandatory licensing.
Sec. 309. Policy review.
Sec. 310. Other authority not affected.
Sec. 311. Records and audit.
Sec. 312. Comprehensive economic cost studies
and studies of cost
effectiveness analysis.
Sec. 313. Additional reports to
congress.
Sec. 314. Labor standards.
Sec. 315. Separability.
Sec. 316. Sewage treatment grants.
Sec. 317. Short title.
Sec. 318A. Economic impact assessment.
Sec. 318B. Financial disclosure; conflicts of
interest.
Sec. 319. Air quality monitoring.
Sec. 320. Standardized air quality
modeling.
Sec. 321. Employment effects.
Sec. 322. Employee protection.
Sec. 323. Cost of emission control for certain
vapor recovery to be borne
by owner of retail outlet.
Sec. 324. Vapor recovery for small business
marketers of petroleum products.
Sec. 325. Exemptions for certain territories.
Sec. 326. Construction of certain
clauses.
Sec. 327. Appropriations.
Sec. 328. Air pollution from outer continental
shelf activities
Sec. 401. Findings and purpose.
Sec. 402. Definitions.
Sec. 403. Sulfur dioxide allowance program for
existing and new
units.
Sec. 404. Phase I sulfur dioxide
requirements.
Sec. 405. Phase II sulfur dioxide
requirements.
Sec. 406. Allowances for States with emissions
rates at or below
0.80lbs/mmBtu.
Sec. 407. Nitrogen oxides emission reduction
program.
Sec. 408. Permits and compliance plans.
Sec. 409. Repowered sources.
Sec. 410. Election for additional
sources.
Sec. 411. Excess emissions penalty.
Sec. 412. Monitoring, reporting, and
recordkeeping requirements.
Sec. 413. General compliance with other
provisions.
Sec. 414. Enforcement.
Sec. 415. Clean coal technology regulatory
incentives.
Sec. 416. Contingency guarantee; auctions,
reserve.
Sec. 501. Definitions.
Sec. 502. Permit programs.
Sec. 503. Permit applications.
Sec. 504. Permit requirements and
conditions.
Sec. 505. Notification to Administrator and
contiguous States.
Sec. 506. Other authorities.
Sec. 507. Small business stationary source
technical and environmental
compliance assistance program.
Sec. 601. Definitions.
Sec. 602. Listing of class I and class II
substances.
Sec. 603. Monitoring and reporting
requirements.
Sec. 604. Phase-out of production and
consumption of class I
substances.
Sec. 605. Phase-out of production and
consumption of class II
substances.
Sec. 606. Accelerated schedule.
Sec. 607. Exchanges. [Exchange
authority.]
Sec. 608. National recycling and emission
reduction program.
Sec. 609. Servicing of motor vehicle air
conditioners.
Sec. 610. Nonessential products containing
chlorofluorocarbons.
Sec. 611. Labeling.
Sec. 612. Safe alternatives policy.
Sec. 613. Federal procurement.
Sec. 614. Relationship to other law.
Sec. 615. Authority of Administrator.
Sec. 616. Transfers among Parties to the
Montreal Protocol.
Sec. 617. International cooperation.
Sec. 618. Miscellaneous [provisions].