Code of Federal Regulations Title 40. Protection of Environment § 40.52.2679 Control strategy and regulations:  Sulfur dioxide

(a) Approvals of the following rules are limited to specific sources, since a control strategy demonstration has not been submitted showing that any increased emissions would not interfere with the attainment or maintenance of the NAAQS.

(b) The following rules are disapproved because they are inconsistent with section 123(a)(2) of the Clean Air Act which requires continuous control strategies.