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EPA/AR RIN: 2060-AP97 Publication ID: Spring 2010 
Title: National Emission Standards for Hazardous Air Pollutants for Elemental Phosphorous Production 
Abstract: Well-established procedures for determining MACT will be followed in this project, and no new or novel issues are being raised by this rulemaking. We are engaged with Agency and other stakeholders, and will continue to develop this MACT standard with their involvement. Elemental Phosphorus Production was not listed as one of the categories on the Source Category list to be regulated under Clean Air Act section 112. However, we have received petitions from States to develop a Maximum Available Control Technology (MACT) standard for this category. We plan to list this source category at proposal. Elemental phosphorous production includes mining, sizing and calcining phosphate ore, and then blending it with silica and coke before melting in a furnace under reduced conditions. Elemental phosphorous gases are evolved from the furnace and captured, then condensed in a cooling process and transferred into tanks and cylinders under pressure. Slag (waste) is tapped from the bottom of the furnace and discarded. The production processes emit particulate matter (PM); toxic metals including radionuclides, selenium and mercury (Hg); and hydrogen cyanide (HCN). All of the elemental phosphorous in the U.S. is produced at one (Monsanto) plant and about 90 percent of it is used as a raw material for the production of Roundup(c), a Monsanto product. The remainder is used as a food grade additive and for military purposes. There are no small business issues with this project. The facility presents Environmental Justice concerns. The facility is located within the hunting, fishing, and gathering grounds of three Indian tribes on the Fort Hall Indian Reservation, and shares the watershed and major rivers with the tribes. 
Agency: Environmental Protection Agency(EPA)  Priority: Substantive, Nonsignificant 
RIN Status: Previously published in the Unified Agenda Agenda Stage of Rulemaking: Long-Term Actions 
Major: No  Unfunded Mandates: No 
CFR Citation: 40 CFR 63   
Legal Authority: Clean Air Act sec 112   
Legal Deadline:  None
Timetable:
Action Date FR Cite
NPRM  05/00/2011    
Final Action  To Be Determined    
Additional Information: SAN No. 5390.
Regulatory Flexibility Analysis Required: No  Government Levels Affected: None 
Small Entities Affected: No  Federalism: No 
Included in the Regulatory Plan: No 
RIN Data Printed in the FR: No 
Agency Contact:
Susan Fairchild
Environmental Protection Agency
Air and Radiation
109 T.W. Alexander Drive, Mail Code D-243-04,
Research Triangle Park, NC 27711
Phone:919 541-5167
Email: fairchild.susan@epa.gov

Nick Hutson
Environmental Protection Agency
Air and Radiation
109 T.W. Alexander Drive, Mail Code D243-01,
Research Triangle Park, NC 27711
Phone:919 541-2968
Fax:919 541-4991
Email: hutson.nick@epa.gov