40 CFR Part 50
21 sections.
- § 50.1§ 50.1 Definitions.
- § 50.2§ 50.2 Scope.
- § 50.3§ 50.3 Reference conditions.
- § 50.4§ 50.4 National primary ambient air quality standards for sulfur oxides (sulfur dioxide).
- § 50.5§ 50.5 National secondary ambient air quality standard for sulfur oxides (sulfur dioxide).
- § 50.6§ 50.6 National primary and secondary ambient air quality standards for PM10.
- § 50.7§ 50.7 National primary and secondary ambient air quality standards for PM2.5.
- § 50.8§ 50.8 National primary ambient air quality standards for carbon monoxide.
- § 50.9§ 50.9 National 1-hour primary and secondary ambient air quality standards for ozone.
- § 50.10§ 50.10 National 8-hour primary and secondary ambient air quality standards for ozone.
- § 50.11§ 50.11 National primary and secondary ambient air quality standards for oxides of nitrogen (with nitrogen dioxide as the indicator).
- § 50.12§ 50.12 National primary and secondary ambient air quality standards for lead.
- § 50.13§ 50.13 National primary and secondary ambient air quality standards for PM2.5.
- § 50.14§ 50.14 Treatment of air quality monitoring data influenced by exceptional events.
- § 50.15§ 50.15 National primary and secondary ambient air quality standards for ozone.
- § 50.16§ 50.16 National primary and secondary ambient air quality standards for lead.
- § 50.17§ 50.17 National primary ambient air quality standards for sulfur oxides (sulfur dioxide).
- § 50.18§ 50.18 National primary ambient air quality standards for PM2.5.
- § 50.19§ 50.19 National primary and secondary ambient air quality standards for ozone.
- § 50.20§ 50.20 National primary ambient air quality standards for PM2.5.
- § 50.21§ 50.21 National secondary ambient air quality standards for sulfur oxides (sulfur dioxide).
This is legal information, not legal advice. Laws vary by jurisdiction and change frequently. Always verify current law with official sources and consult a licensed attorney in your jurisdiction for advice on your specific situation.