Section 1 Provision of adequate data, modeling, and support
For any rule or significant regulatory action of the Environmental Protection Agency relating to the requirements of section 110 of the Clean Air Act (42 U.S.C. 7410), the Administrator of the Environmental Protection Agency shall provide in a timely manner, on the request of any State or other governmental entity involved in the development of a State implementation plan to comply with that rule or regulatory action—
technical support;
data, including integrated planning models and other modeling;
clarification; and
guidance.