Initiation of Prioritization Under the Toxic Substances Control Act (TSCA); Request for Comment

Document Headings Document headings vary by document type but may contain the following: the agency or agencies that issued and signed a document the number of the CFR title and the number of each part the document amends, proposes to amend, or is directly related to the agency docket number / agency internal file number the RIN which identifies each regulatory action listed in the Unified Agenda of Federal Regulatory and Deregulatory Actions See the Document Drafting Handbook for more details. Environmental Protection Agency [EPA-HQ-OPPT-2023-0601; FRL-11581-01-OCSPP] AGENCY: Environmental Protection Agency (EPA). ACTION: Notice. SUMMARY: The Environmental Protection Agency (EPA) is announcing the initiation of and soliciting public comment on the prioritization process for five chemical substances as candidates for designation as High-Priority Substances for risk evaluation under the Toxic Substances Control Act (TSCA) and related implementing regulations. This document provides the identity of the chemical substances being initiated for prioritization, a general explanation of why the Agency chose these chemical substances, and information on the data sources that EPA plans to use to support the designation. EPA is providing a 90-day comment period, during which interested persons may submit relevant information on these chemical substances. DATES: Comments must be received on or before March 18, 2024. ADDRESSES: Submit your comments through https://www.regulations.gov . Follow the online instructions for submitting comments. Submit comments on the chemicals identified in Unit III.B. to the applicable chemical-specific docket ID number provided in Unit III.B. Submit comments on the chemicals identified in Unit IV.B. and comments not related to a specific chemical, including general comments on Unit IV.A., to Docket ID No. EPA-HQ-OPPT-2023-0601. Do not submit electronically any information you consider to be Confidential Business Information (CBI) or other informa…