It is not guaranteed to be accurate or up-to-date, though we do refresh the database weekly. More limitations on accuracy are described at the GPO site.
United States Code 42 USC 7401 - Congressional findings and declaration of purpose
42 USC 7402 - Cooperative activities
42 USC 7403 - Research, investigation, training, and other activities
42 USC 7404 - Research relating to fuels and vehicles
42 USC 7405 - Grants for support of air pollution planning and control programs
42 USC 7406 - Interstate air quality agencies; program cost limitations
42 USC 7407 - Air quality control regions
42 USC 7408 - Air quality criteria and control techniques
42 USC 7409 - National primary and secondary ambient air quality standards
42 USC 7410 - State implementation plans for national primary and secondary ambient air quality standards
42 USC 7411 - Standards of performance for new stationary sources
42 USC 7412 - Hazardous air pollutants
42 USC 7413 - Federal enforcement
42 USC 7414 - Recordkeeping, inspections, monitoring, and entry
42 USC 7415 - International air pollution
42 USC 7416 - Retention of State authority
42 USC 7417 - Advisory committees
42 USC 7418 - Control of pollution from Federal facilities
42 USC 7419 - Primary nonferrous smelter orders
42 USC 7420 - Noncompliance penalty
42 USC 7421 - Consultation
42 USC 7422 - Listing of certain unregulated pollutants
42 USC 7423 - Stack heights
42 USC 7424 - Assurance of adequacy of State plans
42 USC 7425 - Measures to prevent economic disruption or unemployment
42 USC 7426 - Interstate pollution abatement
42 USC 7427 - Public notification
42 USC 7428 - State boards
42 USC 7429 - Solid waste combustion
42 USC 7430 - Emission factors
42 USC 7431 - Land use authority
46 USC 3306 - Regulations
7 USC 1622 - Duties of Secretary relating to agricultural products
7 USC 1624 - Cooperation with Government and State agencies, private research organizations, etc.; rules and regulations
7 USC 8301 - Findings
7 USC 8302 - Definitions
7 USC 8303 - Restriction on importation or entry
7 USC 8304 - Exportation
7 USC 8305 - Interstate movement
7 USC 8306 - Seizure, quarantine, and disposal
7 USC 8307 - Inspections, seizures, and warrants
7 USC 8308 - Detection, control, and eradication of diseases and pests
7 USC 8309 - Veterinary accreditation program
7 USC 8310 - Cooperation
7 USC 8311 - Reimbursable agreements
7 USC 8312 - Administration and claims
7 USC 8313 - Penalties
7 USC 8314 - Enforcement
7 USC 8315 - Regulations and orders
7 USC 8316 - Authorization of appropriations
7 USC 8317 - Effect on regulations