National Emission Standards for Hazardous Air Pollutants for Wool Fiberglass Manufacturing; Rotary Spin Lines Technology Review

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In this action, the Environmental Protection Agency (EPA) is proposing amendments to previous proposals to the National Emission Standards for Hazardous Air Pollutants (NESHAP) for the Wool Fiberglass Manufacturing source category. In the July 29, 2015, final rulemaking, the EPA deferred action on previously proposed formaldehyde, methanol and phenol emission limits from rotary spin (RS) lines at wool fiberglass manufacturing facilities. In this action, the EPA is proposing to readopt the existing emission limits for formaldehyde, to establish emission limits for methanol, and to establish a work practice standard for phenol emissions from bonded RS lines at wool fiberglass manufacturing facilities. In addition, the EPA is proposing amendments to the emission limits promulgated on July 29, 2015, for formaldehyde, methanol, and phenol from flame attenuation (FA) lines at wool fiberglass manufacturing facilities. The EPA is only taking comments on the specific proposed requirements and revisions set forth in this proposed rulemaking, which are based on information contained in this proposal. The EPA is not taking comment on any aspect of previous rulemakings, including the November 2