Granting Petitions To Add n-Propyl Bromide to the List of Hazardous Air Pollutants

Read the full draft notice.

The Environmental Protection Agency (EPA) is publishing a draft notice of the rationale for granting petitions to add n-propyl bromide (nPB), also known as 1-bromopropane (1-BP), (Chemical Abstract Service No. 106-94-5) to the list of hazardous air pollutants (HAP) contained in section 112(b)(1) of the Clean Air Act (CAA). The Halogenated Solvents Industry Alliance (HSIA) and New York State Department of Environmental Conservation (NYSDEC) submitted petitions requesting that nPB be added to the list of HAP. In response to the EPA requests for additional data, HSIA subsequently supplemented its petition. Petitions to add a substance to the list of HAP are permitted under the CAA section 112(b)(3).

Based on the EPA’s evaluation of the petitioners’ showing concerning potential hazards, emissions, and atmospheric dispersion modeling that provided estimates of ambient concentrations of nPB, the EPA has determined that there is adequate evidence to support a determination that emissions and ambient concentrations of nPB may reasonably be anticipated to cause adverse health effects.

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