Code of Federal Regulations Title 40. Protection of Environment § 40.62.3625 Identification of plan

(a) Title of plan. “Fluoride Emission Limitations for Existing Primary Aluminum Plants.”

(b) The plan was officially submitted on January 7, 1981 by the Technical Secretary of the Indiana Air Pollution Control Board.

(c) The State on July 17, 1981, submitted Alcoa methods 4075A, 4076A, 913A, 914E and 914F as alternate test methods.

(d) On October 17, 2002, and January 22, 2003, the State notified EPA that it is revising the control strategy for this plan. Rule 326 IAC 11–5 is removed as the control strategy for this plan and the Federal NESHAP for controlling fluoride emissions from primary aluminum reduction plants promulgated on October 7, 1997 (62 FR 52384), and codified at 40 CFR part 63, subpart LL is the revised control strategy for this plan.