Rule 5 Aug 2025 environmental protection, regulation, epa, incorporation by reference, ozone, air pollution control, air quality, nitrogen dioxide, environmental compliance, particulate matter, emissions, sulfur oxides, iowa, midamerican energy

🌫️EPA Approves Iowa's Regional Haze State Implementation Plan

The Environmental Protection Agency (EPA) is taking final action to approve the Regional Haze State Implementation Plan (SIP) for the State of Iowa as satisfying applicable requirements under the Clean Air Act (CAA) and EPA's Regional Haze Rule (RHR) for the program's second implementation period. Iowa's SIP submission addresses the requirement that states must periodically revise their long-term strategies for making reasonable progress towards the national goal of preventing any future, and remedying any existing, anthropogenic impairment of visibility, including regional haze, in mandatory Class I Federal areas. The SIP submission also addresses other applicable requirements for the second implementation period of the regional haze program. The EPA is taking this action pursuant to the CAA.

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