USA - Significant New Uses of Chemical Substances; Updates to the Hazard Communication Program and Regulatory Framework; Minor Amendments to Reporting Requirements for Premanufacture Notices EPA is proposing changes to the existing regulations governing significant new uses of chemical substances under the Toxic Substances Control Act (TSCA) to align these regulations with revisions to the Occupational Safety and Health Administration's (OSHA) Hazard Communications Standard (HCS), which are proposed to be cross referenced, and with changes to the OSHA Respiratory Protection Standard and the National Institute for Occupational Safety and Health (NIOSH) respirator certification requirements pertaining to respiratory protection of workers from exposure to chemicals. EPA is also proposing changes to the significant new uses of chemical substances regulations based on issues that have been identified by EPA and issues raised by public commenters for Significant New Use Rules (SNURs) previously proposed and issued under these regulations. Additionally, EPA is proposing a minor change to reporting requirements for premanufacture notices (PMNs) and other TSCA section 5 notices. EPA expects these changes to have minimal impacts on the costs and burdens of complying, while updating the significant new use reporting requirements to assist in addressing any potential effects to human health and the environment. Proposed date of adoption: To be determined Proposed date of entry into force: To be determined Final date for comments: 26 September 2016 | 
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