Regulatory and Guidance Information By Topic
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Air Topics
Learn about Criteria Air Pollutants (lead, particulate matter, and others), ozone protection and refrigerants, transportation, engine emissions, and other air-related topics.
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Cross-cutting Issues
Asbestos, lead, EPA Certifications (608, 609, Lead, etc.), Per- and Polyfluoroalkyl Substances (PFAS), and other cross-cutting issues.
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Emergencies
Oil spills, Risk Management Plans (RMP), chemical reporting and other topics.
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Land and Cleanup Topics
Superfund, RCRA corrective actions, underground storage tanks (USTs) and other topics related to land and cleanup.
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Pesticide Topics
Pesticide registration, establishments, worker protection and other pesticide topics.
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Toxic Substances
Polychlorinated Biphenyls (PCBs), chemicals and hazardous substances, Toxic Release Inventory (TRI), and other toxic substance topics.
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Waste
Solid waste, hazardous waste and other waste topics.
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Water
Drinking water, hydraulic fracturing, mountaintop mining and other water topics.
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Frequent Questions
Review frequent questions about environmental topics or ask a question.

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