{"description":"Documents matching 'EPA TSCA significant new use rule'","count":1591,"total_pages":50,"next_page_url":"https://www.federalregister.gov/api/v1/documents?conditions%5Bterm%5D=EPA+TSCA+significant+new+use+rule&format=json&page=2","results":[{"title":"Significant New Use Rules on Certain Chemical Substances (26-2)","type":"Proposed Rule","abstract":"EPA is issuing significant new use rules (SNURs) under the Toxic Substances Control Act (TSCA) for certain chemical substances that were the subject of premanufacture notices (PMNs) and are also subject to an Order issued by EPA pursuant to TSCA. The SNURs require persons to notify EPA at least 90 days before commencing the manufacture (defined by statute to include import) or processing of any of these chemical substances for an activity that is designated as a significant new use in the SNUR. The required notification initiates EPA's evaluation of the conditions of that use for that chemical substance. In addition, the manufacture or processing for the significant new use may not commence until EPA has conducted a review of the required notification; made an appropriate determination regarding that notification; and taken such actions as required by that determination.","document_number":"2026-08012","html_url":"https://www.federalregister.gov/documents/2026/04/24/2026-08012/significant-new-use-rules-on-certain-chemical-substances-26-2","pdf_url":"https://www.govinfo.gov/content/pkg/FR-2026-04-24/pdf/2026-08012.pdf","public_inspection_pdf_url":"https://public-inspection.federalregister.gov/2026-08012.pdf?1776948315","publication_date":"2026-04-24","agencies":[{"raw_name":"ENVIRONMENTAL PROTECTION AGENCY","name":"Environmental Protection Agency","id":145,"url":"https://www.federalregister.gov/agencies/environmental-protection-agency","json_url":"https://www.federalregister.gov/api/v1/agencies/145","parent_id":null,"slug":"environmental-protection-agency"}],"excerpts":" \n Once EPA receives a SNUN, EPA must either determine that the significant new use is not likely to present an unreasonable risk of injury under the conditions of use for the chemical substance or take such regulatory action as is associated with an alternative determination under TSCA section 5 before the manufacture (including import) or processing for the significant new use can commence. If EPA determines that the significant new use of the chemical substance is not likely to present an unreasonable risk, EPA is required under TSCA section"},{"title":"Significant New Use Rules on Certain Chemical Substances (26-4)","type":"Proposed Rule","abstract":"EPA is proposing significant new use rules (SNURs) under the Toxic Substances Control Act (TSCA) for certain chemical substances that were the subject of premanufacture notices (PMNs) and are also subject to an Order issued by EPA pursuant to TSCA. Once finalized, the SNURs would require persons who intend to manufacture (defined by statute to include import) or process any of these chemical substances for an activity that is proposed as a significant new use by this rulemaking to notify EPA at least 90 days before commencing that activity. The required notification initiates EPA's evaluation of the conditions of that use for that chemical substance. In addition, the manufacture or processing for the significant new use may not commence until EPA has conducted a review of the required notification, made an appropriate determination regarding that notification, and taken such actions as required by that determination.","document_number":"2026-15352","html_url":"https://www.federalregister.gov/documents/2026/07/30/2026-15352/significant-new-use-rules-on-certain-chemical-substances-26-4","pdf_url":"https://www.govinfo.gov/content/pkg/FR-2026-07-30/pdf/2026-15352.pdf","public_inspection_pdf_url":"https://public-inspection.federalregister.gov/2026-15352.pdf?1785329114","publication_date":"2026-07-30","agencies":[{"raw_name":"ENVIRONMENTAL PROTECTION AGENCY","name":"Environmental Protection Agency","id":145,"url":"https://www.federalregister.gov/agencies/environmental-protection-agency","json_url":"https://www.federalregister.gov/api/v1/agencies/145","parent_id":null,"slug":"environmental-protection-agency"}],"excerpts":" \n Once EPA receives a SNUN, EPA must either determine that the significant new use is not likely to present an unreasonable risk of injury under the conditions of use for the chemical substance or take such regulatory action as is associated with an alternative determination under TSCA section 5 before the manufacture (including import) or processing for the significant new use can commence. If EPA determines that the significant new use of the chemical substance is not likely to present an unreasonable risk, EPA is required under TSCA section"},{"title":"Significant New Use Rules on Certain Chemical Substances (25-1.5e)","type":"Rule","abstract":"EPA is issuing significant new use rules (SNURs) under the Toxic Substances Control Act (TSCA) for certain chemical substances that were the subject of premanufacture notices (PMNs) and are also subject to an Order issued by EPA pursuant to TSCA. The SNURs require persons to notify EPA at least 90 days before commencing the manufacture (defined by statute to include import) or processing of any of these chemical substances for an activity that is designated as a significant new use in the SNUR. The required notification initiates EPA's evaluation of the conditions of that use for that chemical substance. In addition, the manufacture or processing for the significant new use may not commence until EPA has conducted a review of the required notification; made an appropriate determination regarding that notification; and taken such actions as required by that determination.","document_number":"2026-10264","html_url":"https://www.federalregister.gov/documents/2026/05/22/2026-10264/significant-new-use-rules-on-certain-chemical-substances-25-15e","pdf_url":"https://www.govinfo.gov/content/pkg/FR-2026-05-22/pdf/2026-10264.pdf","public_inspection_pdf_url":"https://public-inspection.federalregister.gov/2026-10264.pdf?1779367510","publication_date":"2026-05-22","agencies":[{"raw_name":"ENVIRONMENTAL PROTECTION AGENCY","name":"Environmental Protection Agency","id":145,"url":"https://www.federalregister.gov/agencies/environmental-protection-agency","json_url":"https://www.federalregister.gov/api/v1/agencies/145","parent_id":null,"slug":"environmental-protection-agency"}],"excerpts":"nces-control-act-tsca. \n \n B. Applicability of the Significant New Use Designation \n To establish a significant new use, EPA must determine that the use is not ongoing. As discussed in Unit II.E. of the proposed rule, EPA concluded that the proposed significant new uses were not ongoing. If EPA subsequently determines that such a use was ongoing as of the date of publication of the proposed rule and did not cease prior to issuance of the final rule, EPA will not designate that use as a significant new use in the final rule. EPA has no information"},{"title":"Significant New Use Rules on Certain Chemical Substances (26-1)","type":"Proposed Rule","abstract":"EPA is proposing significant new use rules (SNURs) under the Toxic Substances Control Act (TSCA) for certain chemical substances that were the subject of premanufacture notices (PMNs) and are also subject to an Order issued by EPA pursuant to TSCA. The SNURs require persons who intend to manufacture (defined by statute to include import) or process any of these chemical substances for an activity that is proposed as a significant new use by this rulemaking to notify EPA at least 90 days before commencing that activity. The required notification initiates EPA's evaluation of the conditions of that use for that chemical substance. In addition, the manufacture or processing for the significant new use may not commence until EPA has conducted a review of the required notification, made an appropriate determination regarding that notification, and taken such actions as required by that determination.","document_number":"2026-11593","html_url":"https://www.federalregister.gov/documents/2026/06/10/2026-11593/significant-new-use-rules-on-certain-chemical-substances-26-1","pdf_url":"https://www.govinfo.gov/content/pkg/FR-2026-06-10/pdf/2026-11593.pdf","public_inspection_pdf_url":"https://public-inspection.federalregister.gov/2026-11593.pdf?1781009111","publication_date":"2026-06-10","agencies":[{"raw_name":"ENVIRONMENTAL PROTECTION AGENCY","name":"Environmental Protection Agency","id":145,"url":"https://www.federalregister.gov/agencies/environmental-protection-agency","json_url":"https://www.federalregister.gov/api/v1/agencies/145","parent_id":null,"slug":"environmental-protection-agency"}],"excerpts":" \n Once EPA receives a SNUN, EPA must either determine that the significant new use is not likely to present an unreasonable risk of injury under the conditions of use for the chemical substance or take such regulatory action as is associated with an alternative determination under TSCA section 5 before the manufacture (including import) or processing for the significant new use can commence. If EPA determines that the significant new use of the chemical substance is not likely to present an unreasonable risk, EPA is required under TSCA section"},{"title":"Significant New Use Rules on Certain Chemical Substances (25-3.5e)","type":"Proposed Rule","abstract":"EPA is proposing significant new use rules (SNURs) under the Toxic Substances Control Act (TSCA) for certain chemical substances that were the subject of premanufacture notices (PMNs) and are also subject to an Order issued by EPA pursuant to TSCA. The SNURs require persons who intend to manufacture (defined by statute to include import) or process any of these chemical substances for an activity that is proposed as a significant new use by this rulemaking to notify EPA at least 90 days before commencing that activity. The required notification initiates EPA's evaluation of the conditions of that use for that chemical substance. In addition, the manufacture or processing for the significant new use may not commence until EPA has conducted a review of the required notification, made an appropriate determination regarding that notification, and taken such actions as required by that determination.","document_number":"2026-11319","html_url":"https://www.federalregister.gov/documents/2026/06/05/2026-11319/significant-new-use-rules-on-certain-chemical-substances-25-35e","pdf_url":"https://www.govinfo.gov/content/pkg/FR-2026-06-05/pdf/2026-11319.pdf","public_inspection_pdf_url":"https://public-inspection.federalregister.gov/2026-11319.pdf?1780577115","publication_date":"2026-06-05","agencies":[{"raw_name":"ENVIRONMENTAL PROTECTION AGENCY","name":"Environmental Protection Agency","id":145,"url":"https://www.federalregister.gov/agencies/environmental-protection-agency","json_url":"https://www.federalregister.gov/api/v1/agencies/145","parent_id":null,"slug":"environmental-protection-agency"}],"excerpts":" \n Once EPA receives a SNUN, EPA must either determine that the significant new use is not likely to present an unreasonable risk of injury under the conditions of use for the chemical substance or take such regulatory action as is associated with an alternative determination under TSCA section 5 before the manufacture (including import) or processing for the significant new use can commence. If EPA determines that the significant new use of the chemical substance is not likely to present an unreasonable risk, EPA is required under TSCA section"},{"title":"Significant New Use Rules on Certain Chemical Substances (25-2.5e)","type":"Rule","abstract":"EPA is issuing significant new use rules (SNURs) under the Toxic Substances Control Act (TSCA) for certain chemical substances that were the subject of premanufacture notices (PMNs) and are also subject to an Order issued by EPA pursuant to TSCA. The SNURs require persons to notify EPA at least 90 days before commencing the manufacture (defined by statute to include import) or processing of any of these chemical substances for an activity that is designated as a significant new use in the SNUR. The required notification initiates EPA's evaluation of the conditions of that use for that chemical substance. In addition, the manufacture or processing for the significant new use may not commence until EPA has conducted a review of the required notification; made an appropriate determination regarding that notification; and taken such actions as required by that determination.","document_number":"2026-10712","html_url":"https://www.federalregister.gov/documents/2026/05/29/2026-10712/significant-new-use-rules-on-certain-chemical-substances-25-25e","pdf_url":"https://www.govinfo.gov/content/pkg/FR-2026-05-29/pdf/2026-10712.pdf","public_inspection_pdf_url":"https://public-inspection.federalregister.gov/2026-10712.pdf?1779972317","publication_date":"2026-05-29","agencies":[{"raw_name":"ENVIRONMENTAL PROTECTION AGENCY","name":"Environmental Protection Agency","id":145,"url":"https://www.federalregister.gov/agencies/environmental-protection-agency","json_url":"https://www.federalregister.gov/api/v1/agencies/145","parent_id":null,"slug":"environmental-protection-agency"}],"excerpts":"nces-control-act-tsca. \n \n B. Applicability of the Significant New Use Designation \n To establish a significant new use, EPA must determine that the use is not ongoing. As discussed in Unit II.E. of the proposed rule, EPA concluded that the proposed significant new uses were not ongoing. If EPA subsequently determines that such a use was ongoing as of the date of publication of the proposed rule and did not cease prior to issuance of the final rule, EPA will not designate that use as a significant new use in the final rule. EPA has no information"},{"title":"Significant New Use Rules on Certain Chemical Substances (26-3)","type":"Proposed Rule","abstract":"EPA is proposing significant new use rules (SNURs) under the Toxic Substances Control Act (TSCA) for certain chemical substances that were the subject of premanufacture notices (PMNs) and are also subject to an Order issued by EPA pursuant to TSCA. Once finalized, the SNURs would require persons who intend to manufacture (defined by statute to include import) or process any of these chemical substances for an activity that is proposed as a significant new use by this rulemaking to notify EPA at least 90 days before commencing that activity. The required notification initiates EPA's evaluation of the conditions of that use for that chemical substance. In addition, the manufacture or processing for the significant new use may not commence until EPA has conducted a review of the required notification, made an appropriate determination regarding that notification, and taken such actions as required by that determination.","document_number":"2026-14877","html_url":"https://www.federalregister.gov/documents/2026/07/23/2026-14877/significant-new-use-rules-on-certain-chemical-substances-26-3","pdf_url":"https://www.govinfo.gov/content/pkg/FR-2026-07-23/pdf/2026-14877.pdf","public_inspection_pdf_url":"https://public-inspection.federalregister.gov/2026-14877.pdf?1784724312","publication_date":"2026-07-23","agencies":[{"raw_name":"ENVIRONMENTAL PROTECTION AGENCY","name":"Environmental Protection Agency","id":145,"url":"https://www.federalregister.gov/agencies/environmental-protection-agency","json_url":"https://www.federalregister.gov/api/v1/agencies/145","parent_id":null,"slug":"environmental-protection-agency"}],"excerpts":" \n Once EPA receives a SNUN, EPA must either determine that the significant new use is not likely to present an unreasonable risk of injury under the conditions of use for the chemical substance or take such regulatory action as is associated with an alternative determination under TSCA section 5 before the manufacture (including import) or processing for the significant new use can commence. If EPA determines that the significant new use of the chemical substance is not likely to present an unreasonable risk, EPA is required under TSCA section"},{"title":"Significant New Use Rule on a Certain Chemical Substance; Multi-Walled Carbon Nanotubes","type":"Rule","abstract":"EPA is issuing a significant new use rule (SNUR) under the Toxic Substances Control Act (TSCA) for a certain chemical substance that was the subject of a premanufacture notice (PMN) and is also subject to an Order issued by EPA pursuant to TSCA. The SNUR requires persons to notify EPA at least 90 days before commencing the manufacture (defined by statute to include import) or processing of this chemical substance for an activity that is designated as a significant new use in the SNUR. The required notification initiates EPA's evaluation of the conditions of that use for that chemical substance. In addition, the manufacture or processing for the significant new use may not commence until EPA has conducted a review of the required notification; made an appropriate determination regarding that notification; and taken such actions as required by that determination.","document_number":"2026-14994","html_url":"https://www.federalregister.gov/documents/2026/07/24/2026-14994/significant-new-use-rule-on-a-certain-chemical-substance-multi-walled-carbon-nanotubes","pdf_url":"https://www.govinfo.gov/content/pkg/FR-2026-07-24/pdf/2026-14994.pdf","public_inspection_pdf_url":"https://public-inspection.federalregister.gov/2026-14994.pdf?1784810711","publication_date":"2026-07-24","agencies":[{"raw_name":"ENVIRONMENTAL PROTECTION AGENCY","name":"Environmental Protection Agency","id":145,"url":"https://www.federalregister.gov/agencies/environmental-protection-agency","json_url":"https://www.federalregister.gov/api/v1/agencies/145","parent_id":null,"slug":"environmental-protection-agency"}],"excerpts":"nces-control-act-tsca. \n \n B. Applicability of the Significant New Use Designation \n To establish a significant new use, EPA must determine that the use is not ongoing. As discussed in Unit II.E. of the proposed rule, EPA concluded that the proposed significant new uses were not ongoing. If EPA subsequently determines that such a use was ongoing as of the date of publication of the proposed rule and did not cease prior to issuance of the final rule, EPA will not designate that use as a significant new use in the final rule. EPA has no information"},{"title":"Significant New Use Rules on Certain Chemical Substances (25-1.5e)","type":"Proposed Rule","abstract":"EPA is proposing significant new use rules (SNURs) under the Toxic Substances Control Act (TSCA) for certain chemical substances that were the subject of premanufacture notices (PMNs) and are also subject to an Order issued by EPA pursuant to TSCA. The SNURs require persons who intend to manufacture (defined by statute to include import) or process any of these chemical substances for an activity that is proposed as a significant new use by this rulemaking to notify EPA at least 90 days before commencing that activity. The required notification initiates EPA's evaluation of the conditions of that use for that chemical substance. In addition, the manufacture or processing for the significant new use may not commence until EPA has conducted a review of the required notification, made an appropriate determination regarding that notification, and taken such actions as required by that determination.","document_number":"2025-19755","html_url":"https://www.federalregister.gov/documents/2025/11/03/2025-19755/significant-new-use-rules-on-certain-chemical-substances-25-15e","pdf_url":"https://www.govinfo.gov/content/pkg/FR-2025-11-03/pdf/2025-19755.pdf","public_inspection_pdf_url":"https://public-inspection.federalregister.gov/2025-19755.pdf?1761914707","publication_date":"2025-11-03","agencies":[{"raw_name":"ENVIRONMENTAL PROTECTION AGENCY","name":"Environmental Protection Agency","id":145,"url":"https://www.federalregister.gov/agencies/environmental-protection-agency","json_url":"https://www.federalregister.gov/api/v1/agencies/145","parent_id":null,"slug":"environmental-protection-agency"}],"excerpts":" \n Once EPA receives a SNUN, EPA must either determine that the significant new use is not likely to present an unreasonable risk of injury under the conditions of use for the chemical substance or take such regulatory action as is associated with an alternative determination under TSCA section 5 before the manufacture (including import) or processing for the significant new use can commence. If EPA determines that the significant new use of the chemical substance is not likely to present an unreasonable risk, EPA is required under TSCA section"},{"title":"Significant New Use Rules on Certain Chemical Substances (24-4.5e)","type":"Rule","abstract":"EPA is issuing significant new use rules (SNURs) under the Toxic Substances Control Act (TSCA) for certain chemical substances that were the subject of premanufacture notices (PMNs) and are also subject to an Order issued by EPA pursuant to TSCA. The SNURs require persons to notify EPA at least 90 days before commencing the manufacture (defined by statute to include import) or processing of any of these chemical substances for an activity that is designated as a significant new use in the SNUR. The required notification initiates EPA's evaluation of the conditions of that use for that chemical substance. In addition, the manufacture or processing for the significant new use may not commence until EPA has conducted a review of the required notification, made an appropriate determination regarding that notification, and taken such actions as required by that determination.","document_number":"2025-19773","html_url":"https://www.federalregister.gov/documents/2025/11/04/2025-19773/significant-new-use-rules-on-certain-chemical-substances-24-45e","pdf_url":"https://www.govinfo.gov/content/pkg/FR-2025-11-04/pdf/2025-19773.pdf","public_inspection_pdf_url":"https://public-inspection.federalregister.gov/2025-19773.pdf?1762177507","publication_date":"2025-11-04","agencies":[{"raw_name":"ENVIRONMENTAL PROTECTION AGENCY","name":"Environmental Protection Agency","id":145,"url":"https://www.federalregister.gov/agencies/environmental-protection-agency","json_url":"https://www.federalregister.gov/api/v1/agencies/145","parent_id":null,"slug":"environmental-protection-agency"}],"excerpts":"ces-control-act-tsca \n .\n \n B. Applicability of the Significant New Use Designation \n To establish a significant new use, EPA must determine that the use is not ongoing. As discussed in Unit II.E. of the proposed rule, EPA concluded that the proposed significant new uses were not ongoing. If EPA subsequently determines that such a use was ongoing as of the date of publication of the proposed rule and did not cease prior to issuance of the final rule, EPA will not designate that use as a significant new use in the final rule. EPA has no information"},{"title":"Significant New Use Rules on Certain Chemical Substances (25-2.5e)","type":"Proposed Rule","abstract":"EPA is proposing significant new use rules (SNURs) under the Toxic Substances Control Act (TSCA) for certain chemical substances that were the subject of premanufacture notices (PMNs) and are also subject to an Order issued by EPA pursuant to TSCA. The SNURs require persons who intend to manufacture (defined by statute to include import) or process any of these chemical substances for an activity that is proposed as a significant new use by this rulemaking to notify EPA at least 90 days before commencing that activity. The required notification initiates EPA's evaluation of the conditions of that use for that chemical substance. In addition, the manufacture or processing for the significant new use may not commence until EPA has conducted a review of the required notification, made an appropriate determination regarding that notification, and taken such actions as required by that determination.","document_number":"2025-19757","html_url":"https://www.federalregister.gov/documents/2025/11/03/2025-19757/significant-new-use-rules-on-certain-chemical-substances-25-25e","pdf_url":"https://www.govinfo.gov/content/pkg/FR-2025-11-03/pdf/2025-19757.pdf","public_inspection_pdf_url":"https://public-inspection.federalregister.gov/2025-19757.pdf?1761914707","publication_date":"2025-11-03","agencies":[{"raw_name":"ENVIRONMENTAL PROTECTION AGENCY","name":"Environmental Protection Agency","id":145,"url":"https://www.federalregister.gov/agencies/environmental-protection-agency","json_url":"https://www.federalregister.gov/api/v1/agencies/145","parent_id":null,"slug":"environmental-protection-agency"}],"excerpts":" \n Once EPA receives a SNUN, EPA must either determine that the significant new use is not likely to present an unreasonable risk of injury under the conditions of use for the chemical substance or take such regulatory action as is associated with an alternative determination under TSCA section 5 before the manufacture (including import) or processing for the significant new use can commence. If EPA determines that the significant new use of the chemical substance is not likely to present an unreasonable risk, EPA is required under TSCA section"},{"title":"Significant New Use Rules on Certain Chemical Substances (24-5.5e)","type":"Proposed Rule","abstract":"EPA is proposing significant new use rules (SNURs) under the Toxic Substances Control Act (TSCA) for certain chemical substances that were the subject of premanufacture notices (PMNs) and are also subject to an Order issued by EPA pursuant to TSCA. The SNURs require persons who intend to manufacture (defined by statute to include import) or process any of these chemical substances for an activity that is proposed as a significant new use by this rulemaking to notify EPA at least 90 days before commencing that activity. The required notification initiates EPA's evaluation of the conditions of that use for that chemical substance. In addition, the manufacture or processing for the significant new use may not commence until EPA has conducted a review of the required notification, made an appropriate determination regarding that notification, and taken such actions as required by that determination.","document_number":"2025-19756","html_url":"https://www.federalregister.gov/documents/2025/11/03/2025-19756/significant-new-use-rules-on-certain-chemical-substances-24-55e","pdf_url":"https://www.govinfo.gov/content/pkg/FR-2025-11-03/pdf/2025-19756.pdf","public_inspection_pdf_url":"https://public-inspection.federalregister.gov/2025-19756.pdf?1761914707","publication_date":"2025-11-03","agencies":[{"raw_name":"ENVIRONMENTAL PROTECTION AGENCY","name":"Environmental Protection Agency","id":145,"url":"https://www.federalregister.gov/agencies/environmental-protection-agency","json_url":"https://www.federalregister.gov/api/v1/agencies/145","parent_id":null,"slug":"environmental-protection-agency"}],"excerpts":" \n Once EPA receives a SNUN, EPA must either determine that the significant new use is not likely to present an unreasonable risk of injury under the conditions of use for the chemical substance or take such regulatory action as is associated with an alternative determination under TSCA section 5 before the manufacture (including import) or processing for the significant new use can commence. If EPA determines that the significant new use of the chemical substance is not likely to present an unreasonable risk, EPA is required under TSCA section"},{"title":"Significant New Use Rules on Certain Chemical Substances (26-2); Extension of Comment Period","type":"Proposed Rule","abstract":"EPA issued significant new use rules (SNURs) under the Toxic Substances Control Act (TSCA) on April 24, 2026, for chemical substances subject to an Order issued pursuant to TSCA. The SNURs require persons to notify EPA at least 90 days before commencing the manufacture (defined by statute to include import) or processing of any of these chemical substances for an activity that is designated as a significant new use in the SNUR. The required notification initiates EPA's evaluation of the conditions of that use for that chemical substance. In addition, the manufacture or processing for new use may not commence until EPA has conducted a review of the required notification; made an appropriate determination regarding that notification; and taken such actions as required by that determination. This document extends the comment period, which was scheduled to end on May 26, 2026, for 45 days.","document_number":"2026-10161","html_url":"https://www.federalregister.gov/documents/2026/05/21/2026-10161/significant-new-use-rules-on-certain-chemical-substances-26-2-extension-of-comment-period","pdf_url":"https://www.govinfo.gov/content/pkg/FR-2026-05-21/pdf/2026-10161.pdf","public_inspection_pdf_url":"https://public-inspection.federalregister.gov/2026-10161.pdf?1779281112","publication_date":"2026-05-21","agencies":[{"raw_name":"ENVIRONMENTAL PROTECTION AGENCY","name":"Environmental Protection Agency","id":145,"url":"https://www.federalregister.gov/agencies/environmental-protection-agency","json_url":"https://www.federalregister.gov/api/v1/agencies/145","parent_id":null,"slug":"environmental-protection-agency"}],"excerpts":"Proposed rule; extension of comment period. \n \n \n SUMMARY: \n \n EPA issued significant new use rules (SNURs) under the Toxic Substances Control Act (TSCA) on April 24, 2026, for chemical substances subject to an Order issued pursuant to TSCA. The SNURs require persons to notify EPA at least 90 days before commencing the manufacture (defined by statute to include import) or processing of any of these chemical \n \n substances for an activity that is designated as a significant new use in the SNUR. The required notification initiates EPA's evaluation"},{"title":"Significant New Use Rules on Certain Chemical Substances (24-1.5e)","type":"Rule","abstract":"EPA is issuing significant new use rules (SNURs) under the Toxic Substances Control Act (TSCA) for certain chemical substances that were the subject of premanufacture notices (PMNs) and a Microbial Commercial Activity Notice (MCAN) and are also subject to an Order issued by EPA pursuant to TSCA. The SNURs require persons to notify EPA at least 90 days before commencing the manufacture (defined by statute to include import) or processing of any of these chemical substances for an activity that is designated as a significant new use in the SNUR. The required notification initiates EPA's evaluation of the conditions of that use for that chemical substance. In addition, the manufacture or processing for the significant new use may not commence until EPA has conducted a review of the required notification; made an appropriate determination regarding that notification; and taken such actions as required by that determination.","document_number":"2025-14256","html_url":"https://www.federalregister.gov/documents/2025/07/29/2025-14256/significant-new-use-rules-on-certain-chemical-substances-24-15e","pdf_url":"https://www.govinfo.gov/content/pkg/FR-2025-07-29/pdf/2025-14256.pdf","public_inspection_pdf_url":"https://public-inspection.federalregister.gov/2025-14256.pdf?1753706711","publication_date":"2025-07-29","agencies":[{"raw_name":"ENVIRONMENTAL PROTECTION AGENCY","name":"Environmental Protection Agency","id":145,"url":"https://www.federalregister.gov/agencies/environmental-protection-agency","json_url":"https://www.federalregister.gov/api/v1/agencies/145","parent_id":null,"slug":"environmental-protection-agency"}],"excerpts":"nces-control-act-tsca. \n \n B. Applicability of the Significant New Use Designation \n To establish a significant new use, EPA must determine that the use is not ongoing. As discussed in Unit II.E. of the proposed rule, EPA concluded that the proposed significant new uses were not ongoing. If EPA subsequently determines that such a use was ongoing as of the date of publication of the proposed rule and did not cease prior to issuance of the final rule, EPA will not designate that use as a significant new use in the final rule. EPA has no information"},{"title":"Significant New Use Rules on Certain Chemical Substances (23-2.5e); Withdrawal","type":"Proposed Rule","abstract":"In the Federal Register of June 20, 2023, EPA proposed significant new use rules (SNURs) under the Toxic Substances Control Act (TSCA) for 18 chemical substances that were the subject of premanufacture notices (PMNs) and a subsequent TSCA Order. EPA is withdrawing the proposed rules because the Agency withdrew the TSCA Order that was the basis of the rules on December 18, 2024.","document_number":"2025-12704","html_url":"https://www.federalregister.gov/documents/2025/07/09/2025-12704/significant-new-use-rules-on-certain-chemical-substances-23-25e-withdrawal","pdf_url":"https://www.govinfo.gov/content/pkg/FR-2025-07-09/pdf/2025-12704.pdf","public_inspection_pdf_url":"https://public-inspection.federalregister.gov/2025-12704.pdf?1751978709","publication_date":"2025-07-09","agencies":[{"raw_name":"ENVIRONMENTAL PROTECTION AGENCY","name":"Environmental Protection Agency","id":145,"url":"https://www.federalregister.gov/agencies/environmental-protection-agency","json_url":"https://www.federalregister.gov/api/v1/agencies/145","parent_id":null,"slug":"environmental-protection-agency"}],"excerpts":"ACTION: \n Proposed rule; withdrawal. \n \n \n SUMMARY: \n \n In the \n Federal Register \n of June 20, 2023, EPA proposed significant new use rules (SNURs) under the Toxic Substances Control Act (TSCA) for 18 chemical substances that were the subject of premanufacture notices (PMNs) and a subsequent TSCA Order. EPA is withdrawing the proposed rules because the Agency withdrew the TSCA Order that was the basis of the rules on December 18, 2024.\n \n \n \n DATES: \n \n The proposed rule published at 88 FR 39804 on June 20, 2023, in the \n Federal Register \n (FRL-10985-01-OCSPP)"},{"title":"Significant New Use Rules on Certain Chemical Substances (24-3.5e)","type":"Rule","abstract":"EPA is issuing significant new use rules (SNURs) under the Toxic Substances Control Act (TSCA) for certain chemical substances that were the subject of premanufacture notices (PMNs) and are also subject to an Order issued by EPA pursuant to TSCA. The SNURs require persons to notify EPA at least 90 days before commencing the manufacture (defined by statute to include import) or processing of any of these chemical substances for an activity that is designated as a significant new use in the SNUR. The required notification initiates EPA's evaluation of the conditions of that use for that chemical substance. In addition, the manufacture or processing for the significant new use may not commence until EPA has conducted a review of the required notification; made an appropriate determination regarding that notification; and taken such actions as required by that determination.","document_number":"2025-13363","html_url":"https://www.federalregister.gov/documents/2025/07/17/2025-13363/significant-new-use-rules-on-certain-chemical-substances-24-35e","pdf_url":"https://www.govinfo.gov/content/pkg/FR-2025-07-17/pdf/2025-13363.pdf","public_inspection_pdf_url":"https://public-inspection.federalregister.gov/2025-13363.pdf?1752669907","publication_date":"2025-07-17","agencies":[{"raw_name":"ENVIRONMENTAL PROTECTION AGENCY","name":"Environmental Protection Agency","id":145,"url":"https://www.federalregister.gov/agencies/environmental-protection-agency","json_url":"https://www.federalregister.gov/api/v1/agencies/145","parent_id":null,"slug":"environmental-protection-agency"}],"excerpts":"nces-control-act-tsca. \n \n B. Applicability of the Significant New Use Designation \n To establish a significant new use, EPA must determine that the use is not ongoing. As discussed in Unit II.E. of the proposed rule, EPA concluded that the proposed significant new uses were not ongoing. If EPA subsequently determines that such a use was ongoing as of the date of publication of the proposed rule and did not cease prior to issuance of the final rule, EPA will not designate that use as a significant new use in the final rule. EPA has no information"},{"title":"Significant New Use Rules on Certain Chemical Substances (24-2.5e)","type":"Rule","abstract":"EPA is issuing significant new use rules (SNURs) under the Toxic Substances Control Act (TSCA) for certain chemical substances that were the subject of premanufacture notices (PMNs) and are also subject to an Order issued by EPA pursuant to TSCA. The SNURs require persons to notify EPA at least 90 days before commencing the manufacture (defined by statute to include import) or processing of any of these chemical substances for an activity that is designated as a significant new use in the SNUR. The required notification initiates EPA's evaluation of the conditions of that use for that chemical substance. In addition, the manufacture or processing for the significant new use may not commence until EPA has conducted a review of the required notification; made an appropriate determination regarding that notification; and taken such actions as required by that determination.","document_number":"2025-11489","html_url":"https://www.federalregister.gov/documents/2025/06/23/2025-11489/significant-new-use-rules-on-certain-chemical-substances-24-25e","pdf_url":"https://www.govinfo.gov/content/pkg/FR-2025-06-23/pdf/2025-11489.pdf","public_inspection_pdf_url":"https://public-inspection.federalregister.gov/2025-11489.pdf?1750423523","publication_date":"2025-06-23","agencies":[{"raw_name":"ENVIRONMENTAL PROTECTION AGENCY","name":"Environmental Protection Agency","id":145,"url":"https://www.federalregister.gov/agencies/environmental-protection-agency","json_url":"https://www.federalregister.gov/api/v1/agencies/145","parent_id":null,"slug":"environmental-protection-agency"}],"excerpts":"nces-control-act-tsca. \n \n B. Applicability of the Significant New Use Designation \n To establish a significant new use, EPA must determine that the use is not ongoing. As discussed in Unit II.E. of the proposed rule, EPA concluded that the proposed significant new uses were not ongoing. If EPA subsequently determines that such a use was ongoing as of the date of publication of the proposed rule and did not cease prior to issuance of the final rule, EPA will not designate that use as a significant new use in the final rule. EPA has no information"},{"title":"Significant New Use Rules on Certain Chemical Substances (23-3.5e)","type":"Rule","abstract":"EPA is issuing significant new use rules (SNURs) under the Toxic Substances Control Act (TSCA) for certain chemical substances that were the subject of premanufacture notices (PMNs) and are also subject to an Order issued by EPA pursuant to TSCA. The SNURs require persons to notify EPA at least 90 days before commencing the manufacture (defined by statute to include import) or processing of any of these chemical substances for an activity that is designated as a significant new use in the SNUR. The required notification initiates EPA's evaluation of the conditions of that use for that chemical substance. In addition, the manufacture or processing for the significant new use may not commence until EPA has conducted a review of the required notification; made an appropriate determination regarding that notification; and taken such actions as required by that determination.","document_number":"2025-10812","html_url":"https://www.federalregister.gov/documents/2025/06/13/2025-10812/significant-new-use-rules-on-certain-chemical-substances-23-35e","pdf_url":"https://www.govinfo.gov/content/pkg/FR-2025-06-13/pdf/2025-10812.pdf","public_inspection_pdf_url":"https://public-inspection.federalregister.gov/2025-10812.pdf?1749732320","publication_date":"2025-06-13","agencies":[{"raw_name":"ENVIRONMENTAL PROTECTION AGENCY","name":"Environmental Protection Agency","id":145,"url":"https://www.federalregister.gov/agencies/environmental-protection-agency","json_url":"https://www.federalregister.gov/api/v1/agencies/145","parent_id":null,"slug":"environmental-protection-agency"}],"excerpts":"nces-control-act-tsca. \n \n B. Applicability of the Significant New Use Designation \n To establish a significant new use, EPA must determine that the use is not ongoing. As discussed in Unit II.E. of the proposed rule, EPA concluded that the proposed significant new uses were not ongoing. If EPA subsequently determines that such a use was ongoing as of the date of publication of the proposed rule and did not cease prior to issuance of the final rule, EPA will not designate that use as a significant new use in the final rule. EPA has no information"},{"title":"Significant New Use Rules on Certain Chemical Substances (23-3.5e); Correction","type":"Rule","abstract":"EPA is making corrections to a final rule that appeared in the Federal Register of June 13, 2025 (FR Doc. 2025-10812). The final rule established significant new use rules (SNURs) under the Toxic Substances Control Act (TSCA) for chemical substances that were the subject of premanufacture notices (PMNs) and Orders issued by EPA pursuant to TSCA.","document_number":"2025-13677","html_url":"https://www.federalregister.gov/documents/2025/07/21/2025-13677/significant-new-use-rules-on-certain-chemical-substances-23-35e-correction","pdf_url":"https://www.govinfo.gov/content/pkg/FR-2025-07-21/pdf/2025-13677.pdf","public_inspection_pdf_url":"https://public-inspection.federalregister.gov/2025-13677.pdf?1752842718","publication_date":"2025-07-21","agencies":[{"raw_name":"ENVIRONMENTAL PROTECTION AGENCY","name":"Environmental Protection Agency","id":145,"url":"https://www.federalregister.gov/agencies/environmental-protection-agency","json_url":"https://www.federalregister.gov/api/v1/agencies/145","parent_id":null,"slug":"environmental-protection-agency"}],"excerpts":"ACTION: \n Final rule; correction. \n \n \n SUMMARY: \n \n EPA is making corrections to a final rule that appeared in the \n Federal Register \n of June 13, 2025 (FR Doc. 2025-10812). The final rule established significant new use rules (SNURs) under the Toxic Substances Control Act (TSCA) for chemical substances that were the subject of premanufacture notices (PMNs) and Orders issued by EPA pursuant to TSCA.\n \n \n \n DATES: \n The final rule corrections are effective on August 12, 2025. \n \n \n ADDRESSES: \n \n The docket for this action, identified under docket"},{"title":"Significant New Use Rules on Certain Chemical Substances (24-2.5e); Correction","type":"Rule","abstract":"EPA is making a correction to a final rule that appeared in the Federal Register of June 23, 2025 (FR Doc. 2025-11489). The final rule established significant new use rules (SNURs) under the Toxic Substances Control Act (TSCA) for chemical substances that were the subject of premanufacture notices (PMNs) and Orders issued by EPA pursuant to TSCA.","document_number":"2025-13834","html_url":"https://www.federalregister.gov/documents/2025/07/23/2025-13834/significant-new-use-rules-on-certain-chemical-substances-24-25e-correction","pdf_url":"https://www.govinfo.gov/content/pkg/FR-2025-07-23/pdf/2025-13834.pdf","public_inspection_pdf_url":"https://public-inspection.federalregister.gov/2025-13834.pdf?1753188312","publication_date":"2025-07-23","agencies":[{"raw_name":"ENVIRONMENTAL PROTECTION AGENCY","name":"Environmental Protection Agency","id":145,"url":"https://www.federalregister.gov/agencies/environmental-protection-agency","json_url":"https://www.federalregister.gov/api/v1/agencies/145","parent_id":null,"slug":"environmental-protection-agency"}],"excerpts":"ACTION: \n Final rule; correction. \n \n \n SUMMARY: \n \n EPA is making a correction to a final rule that appeared in the \n Federal Register \n of June 23, 2025 (FR Doc. 2025-11489). The final rule established significant new use rules (SNURs) under the Toxic Substances Control Act (TSCA) for chemical substances that were the subject of premanufacture notices (PMNs) and Orders issued by EPA pursuant to TSCA.\n \n \n \n DATES: \n The final rule correction is effective on August 22, 2025. \n \n \n ADDRESSES: \n \n The docket for this action, identified under docket"}]}