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EPA/OAR

RIN: 2060-AU25

Publication ID: Spring 2020

Title: National Emission Standards for Hazardous Air Pollutants: Amendment of Phosphoric Acid Mercury Limit
Abstract: In 1999, the Phosphoric Acid Production NESHAP set maximum achievable control technology (MACT) standards for phosphate rock calciners that regulated mercury emissions by means of standards for particulate matter. In 2015, EPA promulgated the residual risk and technology review for this source category, and further amended the standards in September 2017. The revised standards established mercury emission limits for calciners based on the one source that operates phosphate rock calciners, The Potash Corporation of Saskatchewan (PCS) Phosphate, now Nutrien, Aurora. PCS/Nutrien has requested EPA review the Phosphoric Acid Production NESHAP mercury standards. This proposed rule will consider additional mercury test data that were not available at the time the rule was promulgated and that are relevant to the average performance of the source used to set the MACT floor mercury emissions for calciners.
Agency: Environmental Protection Agency(EPA)	Priority: Substantive, Nonsignificant
RIN Status: Previously published in the Unified Agenda	Agenda Stage of Rulemaking: Final Rule Stage
Major: No	Unfunded Mandates: No
EO 13771 Designation: Not subject to, not significant
CFR Citation: 40 CFR 63
Legal Authority: 42 U.S.C. 7412 Clean Air Act

Legal Deadline:

Action	Source	Description	Date
None

Timetable:

Action	Date	FR Cite
NPRM	04/07/2020	85 FR 19412
NPRM Comment Period End	05/22/2020
Final Rule	09/00/2020

Regulatory Flexibility Analysis Required: No	Government Levels Affected: None
Small Entities Affected: No	Federalism: No
Included in the Regulatory Plan: No
Sectors Affected: 325312 Phosphatic Fertilizer Manufacturing
RIN Data Printed in the FR: No
Agency Contact: Keith Barnett Environmental Protection Agency Office of Air and Radiation D243-04, Research Triangle Park, NC 27711 Phone:919 541-5605 Fax:919 541-4991 Email: barnett.keith@epa.gov