OAR Policy and Guidance Metarecord

Document Title/Subject: Methylene Diphenyl Diisocyanate: Air Toxics Notice: Proposed Petition to Delist from Hazardous Air Pollutant List Related Documents:	Signed by: Robert Brenner, Acting Assistant Administrator for Air and Radiation Signature Date: May 18, 2005 Contact: Scott Jenkins 919 541 1167	Filename(s): http://www.epa.gov/ttn/oarpg/t3/fr_notices/25579apet2delmdi.pdf URL(s):
Regulatory Authority: Title 3	Division/Director: Emission Standards Division (OAQPS) / Sally Shaver	Submitted By: jenkins.scott	OGC Contact: Elliot Zenick OGC Phone#: 202-564-1822	Internet Contact: Jeff Clark
Document Type: Proposed & Final Preambles & Rules,	EPA Document Number: Federal Register: 70 FR 30407 05/26/05	Supersedes:
Subject Category: AIR Toxics	Keywords: Emissions Hazardous air pollutants HAPs Pollutants 4 4�O-Methylene Diphenyl Diisocyanate MDI Air Toxics	Terms: Air pollutants Air quality Clean Air Act CAA
Abstract: EPA is announcing the receipt of a complete petition from the Diisocyanates Panel of the American Chemistry Council (ACC) requesting EPA to remove the chemical 4,4�O- methylene diphenyl diisocyanate (MDI) from the list of HAP contained in section 112(b)(1) of the CAA. The data submitted by the ACC will support an assessment of the environmental impacts associated with emissions of MDI to the ambient air and deposited onto soil or water. This file is the text of the proposed delisting.