§ 52.834 - Control strategy: Sulfur dioxide.

§ 52.834 Control strategy: Sulfur dioxide.

Cross Reference

Link to an amendment published at 87 FR 20331, Apr. 7, 2022.

Approval -

(a) Approval. On April 21, 1997, the Iowa Department of Natural Resources (IDNR) submitted a maintenance plan and redesignation request for the Muscatine County nonattainment area for the 1971 SO₂ national ambient air quality standard (NAAQS). The maintenance plan and redesignation request satisfy all applicable requirements of the Clean Air Act.

[63 FR 13345, Mar. 19, 1998

(b) Determination of attainment by the attainment date. As of May 9, 2022, the EPA has determined that the Muscatine, Iowa SO₂ nonattainment area has attained the 2010 1-hour SO₂ primary NAAQS by the applicable attainment date of October 4, 2018.

[87 FR 20331, Apr. 7, 2022]