Environmental Protection Agency May 24, 2024 – Federal Register Recent Federal Regulation Documents
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Approval of the Clean Air Act, Section 112(l), Authority for Hazardous Air Pollutants: Asbestos Management and Control; State of New Hampshire Department of Environmental Services
The Environmental Protection Agency (EPA) is granting the New Hampshire Department of Environmental Services (NH DES) the authority to implement and enforce the state's amended Asbestos Disposal Site Rule in place of the National Emission Standard for Asbestos provisions for inactive waste disposal sites. NH DES's amended rule applies to all inactive waste disposal sites that ceased operation on or before July 9, 1981. This approval makes the NH DES amended Asbestos Disposal Site Rule federally enforceable. This action is being taken under the Clean Air Act (CAA).
Request for Nominations for the Science Advisory Board Microbial and Disinfection Byproducts (MDBP) Revisions Review Panel
The Environmental Protection Agency (EPA) Science Advisory Board (SAB) Staff Office requests public nominations of scientific experts to form a Panel to review the draft analyses to support EPA's revisions of the Microbial and Disinfection Byproducts (MDBP) National Primary Drinking Water rules. EPA is currently conducting analyses to evaluate eight (i.e., chlorite, Cryptosporidium, haloacetic acids, heterotrophic bacteria, Giardia lamblia, Legionella, total trihalomethanes, and viruses) National Primary Drinking Water Regulations (NPDWRs) for potential regulatory revisions with a consideration of risk tradeoffs across microbial control versus disinfection byproduct formation. EPA is exploring approaches to determine how public water systems (PWSs) can achieve enhanced precursor removal to reduce disinfection byproduct (DBP) formation in drinking water. EPA's analysis summarizes the current literature on DBP precursor occurrence and treatment, identifies technology based on effectiveness and feasibility, and determines the unit cost of technologies for enhanced removal. EPA is also preparing analyses to support a numerical disinfectant residual requirement within the drinking water distribution system. This analysis will include an inventory on vulnerable PWSs, feasibility studies for maintaining a numerical disinfectant residual, and methods for assessing effectiveness of a numerical residual in controlling microbial growth in the distribution system including for opportunistic pathogens such as Legionella. The SAB MDBP Revisions Review Panel will consider whether the conclusions found in the EPA's analyses are clearly presented and scientifically supported. The Panel will also be asked to provide recommendations on how the analyses may be strengthened.
National Primary Drinking Water Regulations: Consumer Confidence Reports
The U.S. Environmental Protection Agency (EPA) is revising the Consumer Confidence Report (CCR) Rule in accordance with America's Water Infrastructure Act (AWIA) of 2018 (United States, 2018) and is requiring States, territories, and Tribes with primary enforcement responsibility to report compliance monitoring data (CMD) to the EPA. The revisions will improve the readability, clarity, and understandability of CCRs as well as the accuracy of the information presented, improve risk communication in CCRs, incorporate electronic delivery options, provide supplemental information regarding lead levels and control efforts, and require systems who serve 10,000 or more persons to provide CCRs to customers biannually (twice per year). The final rule requirements for States to submit to the EPA CMD for all National Primary Drinking Water Regulations (NPDWRs) will improve the EPA's ability to fulfill oversight responsibilities under the Safe Drinking Water Act (SDWA).
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