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Notice of intent to sue, §304(b)

Humane Society of the United States v. McCarthy

A district court dismissed environmental and animal rights groups' lawsuit against EPA for failing to respond to a 2009 petition for rulemaking that asked the Agency to regulate concentrated animal feeding operations (CAFOs) as a source...

Environmental Integrity Project v. United States Environmental Protection Agency

A district court dismissed environmental groups' CAA citizen suit against EPA for failing to respond to their 2011 petition concerning ammonia gas pollution. In 2011, the groups petitioned EPA asking it to find that ammonia gas...

National Parks Conservation Ass'n v. Tennessee Valley Auth.

The court dismisses an environmental group's Clean Air Act (CAA) citizen suit alleging that two Tennessee Valley Authority (TVA) plants exceeded Tennessee's state implementation plan (SIP) requirement of 20% opacity for visible...

Anderson v. Farmland Indus., Inc.

The court holds that it has subject matter jurisdiction over an environmental group's Clean Air Act (CAA) citizen suit that alleged emission and reporting violations at a refinery. The court first holds that under CAA §304, the group...