The Environmental Protection Agency (EPA) is submitting an information collection request (ICR), Risk Management Program Requirements and Petitions to Modify the List of Regulated Substances under section 112(r) of the Clean Air Act (EPA ICR Number 1656.18, OMB Control Number 2050-0144) to the Office of Management and Budget (OMB) for review and approval in accordance with the Paperwork Reduction Act. This is a proposed extension of the ICR, which is currently approved through November 30, 2022. Public comments were previously requested via the Federal Register on December 14, 2021 during a 60-day comment period. This notice allows for an additional 30 days for public comments. A fuller description of the ICR is given below, including its estimated burden and cost to the public. An agency may not conduct or sponsor and a person is not required to respond to a collection of information unless it displays a currently valid OMB control number.