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EPA/OAR RIN: 2060-AU75 Publication ID: Spring 2021 
Title: Petition to Delist Hazardous Air Pollutants: 2-Butoxyethyl Benzoate (2-BEB) 
Abstract: 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 is insufficient. The EPA provided the petitioner with a list of additional information to provide and received a response in January 2021. EPA is currently reviewing this information to determine if it is sufficient. 
Agency: Environmental Protection Agency(EPA)  Priority: Substantive, Nonsignificant 
RIN Status: Previously published in the Unified Agenda Agenda Stage of Rulemaking: Proposed Rule Stage 
Major: No  Unfunded Mandates: No 
CFR Citation: 40 CFR 63   
Legal Authority: 42 U.S.C. 7412 Clean Air Act   
Legal Deadline:
Action Source Description Date
Action Date FR Cite
Notice  05/00/2021 
NPRM  To Be Determined 
Final Rule  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
Office of Air and Radiation
Environmental Protection Agency
E143-01, 109 T.W. Alexander Drive,
Research Triangle Park, NC 27711
Phone:919 541-3154