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Proposed Regulatory Changes for Nanomaterials

On April 6, 2015, EPA issued a proposed rule under TSCA section 8(a) to require reporting and recordkeeping information on certain chemical substances when they are manufactured or processed as nanoscale materials. This is part of the Agency’s effort to ensure a more comprehensive understanding of nanoscale materials in commerce. This proposed rule would require that companies that manufacture certain chemical substances already in commerce as nanoscale materials notify EPA of information including production volume, methods of manufacture and processing, exposure and release information, and available health and safety data. This proposed rule is not intended to conclude that nanoscale materials as a class, or specific uses of nanoscale materials, are likely to cause harm to people or the environment. Rather, EPA would use information gathered through this reporting rule to determine if any further action under TSCA, including additional information collection, is needed. EPA will accept comments on the proposed rule for 90 days after the date of publication in the Federal Register. More information can be found on EPA’s website at

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