OAR Policy and Guidance Metarecord

Document Title/Subject: Chlorine and Hydrochloric Acid Emissions from Chlorine Production: Air Toxics Requirements: Final Rule Related Documents:	Signed by: Acting Administrator Marianne Lamont Horinko Signature Date: 8/29/03 Contact: Iliam D. Rosario 919 541-5308	Filename(s): http://www.epa.gov/ttn/oarpg/t3/fr_notices/chaecp_fr2.pdf URL(s):
Regulatory Authority: Title 3	Division/Director: Emission Standards Division (OAQPS) / Sally Shaver	Submitted By: rosario.iliam	OGC Contact: Andrew Gordon OGC Phone#: (202) 564-5509	Internet Contact: Jeff Clark
Document Type: Proposed & Final Preambles & Rules,	EPA Document Number: Federal Register:	Supersedes:
Subject Category: AIR ENVIRONMENTAL PROTECTION AGENCY HUMAN HEALTH	Keywords: Emissions Hazardous air pollutants HAPs Maximum Achievable Control Technology Emission Standards MACTs National Emission Standards for Hazardous Air Pollutants NESHAPs Chlorine emissions	Terms: Air pollutants Air quality Clean Air Act CAA
Abstract: The EPA is issuing final action deleting the subcategory of sources that do not utilize mercury cells to produce chlorine and caustic. Because of the differences in the production method and the HAP emitted, we decided to divide the chlorine production category into two subcategories: mercury cell chlor-alkali plants, and chlorine production plants that do not rely upon mercury cells for chlorine production. We have determined that 21 of these facilities are major sources, including 20 non-mercury cell plants that produce chlorine and caustic as co-products through the electrolysis of brine, and a primary magnesium refining facility that produces chlorine as a by-product of magnesium metal production. Primary magnesium refining is a separately listed source category and will be addressed in a separate rulemaking. This text is the file of the final rule.

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