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EPA/OAR RIN: 2060-AU75 Publication ID: Fall 2020 
Title: Petition to Delist Hazardous Air Pollutants: 2-Butoxyethyl Benzoate (2-BEB) 

The Clean Air Act (CAA) requires EPA to regulate substances listed as hazardous air pollutants (HAP) under CAA section 112(b). The HAP list includes substances that are air pollutants, and for which emissions, ambient concentrations, bioaccumulation or deposition of the substance are known or reasonably anticipated to cause adverse effects to human health or adverse environmental effects. The CAA requires EPA to consider petitions to add or remove substances from the HAP list. EPA reviews a petition to determine whether it provides adequate data and can be determined complete. If EPA decides that information is not adequate, the Administrator may use any authority available to them to acquire such information. If the petition is determined complete or EPA acquires adequate information through other means of its authority, EPA must, within 18 months, technically review the petition and then either grant or deny the petition. On September 30, 2019, the Dow Chemical Company submitted a petition to the U.S. Environmental Protection Agency (EPA) to remove 2-butoxyethyl benzoate (2-BEB) from the category of glycol ethers in the list of hazardous air pollutants (HAP) under section 112(b)(3) of the Clean Air Act (CAA), 42 U.S.C. 7412(b)(3). Dow views 2-BEB as a potential replacement for ethylene glycol monobutyl ether (EGBE) and some other chemicals for specific applications. EGBE was delisted as a HAP by EPA on November 29, 2004. The EPA completed the initial review of the petition and found that it was insufficient. The EPA provided the petitioner with a list of additional information to provide and is awaiting receipt of this information. Once it receives and reviews the additional information, the EPA will again determine if the petition is complete based on the updated information. If it is deemed complete, the EPA will introduce a notice that acknowledges receipt of a complete petition, initiates the 18-month window for the EPA to rule on the petition per CAA section 112(b), and solicits comments on the petition to remove 2-BEB from the CAA section 112(b)(3) HAP list.

Agency: Environmental Protection Agency(EPA)  Priority: Substantive, Nonsignificant 
RIN Status: Previously published in the Unified Agenda Agenda Stage of Rulemaking: Prerule Stage 
Major: No  Unfunded Mandates: No 
EO 13771 Designation: Deregulatory 
CFR Citation: 40 CFR 63   
Legal Authority: 42 U.S.C. 7412 Clean Air Act   
Legal Deadline:  None
Action Date FR Cite
Notice  11/00/2020 
NPRM  To Be Determined 
Regulatory Flexibility Analysis Required: No  Government Levels Affected: Federal 
Small Entities Affected: No  Federalism: No 
Included in the Regulatory Plan: No 
Sectors Affected: 325 Chemical Manufacturing 
RIN Data Printed in the FR: No 
Agency Contact:
Jodi Howard
Environmental Protection Agency
Office of Air and Radiation
Research Triangle Park, NC 27711
Phone:919 541-4991
Fax:919 541-0246

Hillary Ward
Environmental Protection Agency
Phone:919 541-3154