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EPA/AR RIN: 2060-AQ20 Publication ID: Spring 2015 
Title: Phosphoric Acid Manufacturing and Phosphate Fertilizer Production RTR and Standards of Performance for Phosphate Processing 

The Clean Air Act requires the EPA to review maximum achievable control technology (MACT) standards and to revise them "as necessary (taking into account developments in practices, processes and control technologies)" no less frequently than every eight years. Under the "residual risk" provision of the Clean Air Act, the EPA must evaluate the MACT standards within eight years after promulgation and promulgate standards if required to provide an ample margin of safety to protect public health or prevent an adverse environmental effect. The MACT for phosphoric acid and phosphate fertilizer were promulgated in June 1999. Facilities subject to these rules were required to be in compliance by June 2002. This final action will address both the residual risk and technology reviews for the phosphoric acid and phosphate fertilizer source categories, as well as address other regulatory actions for the source category as deemed appropriate. The production processes for these two source categories typically are located at the same facilities.

Agency: Environmental Protection Agency(EPA)  Priority: Other Significant 
RIN Status: Previously published in the Unified Agenda Agenda Stage of Rulemaking: Final Rule Stage 
Major: No  Unfunded Mandates: No 
CFR Citation: 40 CFR 60    40 CFR 63   
Legal Authority: 42 U.S.C. 7401 et seq. Clean Air Act   
Legal Deadline:
Action Source Description Date
Final  Judicial  09-cv-00152; USDC Northern District of California, filed 11/13/13.  07/21/2015 
Action Date FR Cite
NPRM  11/07/2014  79 FR 66511   
NPRM Comment Period Extended  12/12/2014  79 FR 73872   
Final Rule  08/00/2015 
Regulatory Flexibility Analysis Required: No  Government Levels Affected: Federal, Local, State 
Small Entities Affected: No  Federalism: No 
Included in the Regulatory Plan: No 
RIN Data Printed in the FR: No 
Agency Contact:
Tina Ndoh
Environmental Protection Agency
Air and Radiation
Research Triangle Park, NC 27711
Phone:919 541-2750
Fax:919 541-5600

Jennifer Caparoso
Environmental Protection Agency
Air and Radiation
109 T.W. Alexander Drive, Mail Code E143-01,
Research Triangle Park, NC 27711
Phone:919 541-4063
Fax:919 541-0516