{"source":"reg-epa-chemicals","note":"Free 5-item preview. The full feed is $0.05/call at GET /v1/reg-epa-chemicals/changes.","question":"Which final or proposed federal rules affecting industrial chemicals under TSCA were published since T, and which carry compliance obligations?","sample":[{"source":"reg-epa-chemicals","entityId":"fedreg:2026-11319","type":"proposed_rule","title":"Significant New Use Rules on Certain Chemical Substances (25-3.5e)","summary":"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 …","significance":7,"detectedAt":"2026-07-14T22:19:12.549Z","effectiveDate":null,"sourceUrl":"https://www.federalregister.gov/documents/2026/06/05/2026-11319/significant-new-use-rules-on-certain-chemical-substances-25-35e","detail":{"documentNumber":"2026-11319","documentType":"Proposed Rule","agencies":"Environmental Protection Agency","publicationDate":"2026-06-05","vertical":"reg-epa-chemicals"}},{"source":"reg-epa-chemicals","entityId":"fedreg:2026-11593","type":"proposed_rule","title":"Significant New Use Rules on Certain Chemical Substances (26-1)","summary":"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 …","significance":7,"detectedAt":"2026-07-14T22:19:12.549Z","effectiveDate":null,"sourceUrl":"https://www.federalregister.gov/documents/2026/06/10/2026-11593/significant-new-use-rules-on-certain-chemical-substances-26-1","detail":{"documentNumber":"2026-11593","documentType":"Proposed Rule","agencies":"Environmental Protection Agency","publicationDate":"2026-06-10","vertical":"reg-epa-chemicals"}}]}