{"url_path":"/register/2026-07-01/2026-13263","section_key":"summary","section_title":"Revisions To Establish the Sixth Unregulated Contaminant Monitoring Rule (UCMR 6) for Public Water Systems","topic":"register","document":{"doc_type":"Proposed Rule","doc_date":"2026-07-01","source_url":"https://www.federalregister.gov/documents/2026/07/01/2026-13263/revisions-to-establish-the-sixth-unregulated-contaminant-monitoring-rule-ucmr-6-for-public-water","accession_number":null,"cik":null,"ticker":null,"issuer_name":null,"edgar_url":null,"primary_entity_key":null,"primary_entity_name":"Environmental Protection Agency"},"word_count":203,"has_tables":false,"body_markdown":null}