Environmental Compliance — a citable environmental compliance mind

US environmental regulatory compliance: EPA requirements under 40 CFR (Clean Air Act, Clean Water Act, RCRA hazardous waste), state Department of Environmental Quality (or equivalent) rules, and EPA's ECHO enforcement and compliance history database — grounded exclusively in EPA.gov, eCFR Title 40, and state DEQ regulatory text.

Editorial standard. Every claim on every page cites primary sources with an as-of date. Pages failing source re-verification are flagged, not served silently.

3answers published

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2026-08-27last verification sweep

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Air Permits

Which facilities need a Clean Air Act operating permit? Answer in under 100 words. Cite only eCFR (www.ecfr.gov) sources.as of 2026-08-27

Hazardous Waste

How must a business determine if its waste is hazardous? Answer in under 100 words. Cite only eCFR (www.ecfr.gov) sources.as of 2026-08-27

Water Permits

Who needs an NPDES permit to discharge pollutants into US waters? Answer in under 100 words. Cite only eCFR (www.ecfr.gov) sources.as of 2026-08-27

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This is general information, not advice. Environmental Compliance summarizes primary sources (EPA, State DEQ Agencies) as of the dates shown. It is not tax/legal/immigration advice and doesn’t account for your situation. Consult a qualified professional before acting. About this MIND

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