Ace the Certified in Public Health (CPH) Exam 2026 – Launch Your Health Hero Journey!

Question: 1 / 400

What must the State Implementation Plan (SIP) be approved by?

Local governing bodies

The federal government

The Environmental Protection Agency

The State Implementation Plan (SIP) must be approved by the Environmental Protection Agency (EPA) because it is a requirement under the Clean Air Act. The SIP outlines how each state intends to comply with federal air quality standards set by the EPA. This plan includes strategies for controlling air pollution and achieving and maintaining the national ambient air quality standards (NAAQS).

The role of the EPA is crucial as it ensures that these plans are adequate and effectively address air quality issues as mandated by federal law. This approval is necessary to align state efforts with federal environmental goals, ensuring coordinated and effective management of air quality throughout the United States. Without EPA approval, states cannot implement their air quality strategies, which can hinder efforts to improve public health and the environment.

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State environmental agencies

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