federal_register: 2025-17079
Data license: Public Domain (U.S. Government data) · Data source: Federal Register API & Regulations.gov API
This data as json
| document_number | title | type | abstract | publication_date | pub_year | pub_month | html_url | pdf_url | agency_names | agency_ids | excerpts |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025-17079 | Ambient Air Monitoring Reference and Equivalent Methods; Designation of Three New Equivalent Methods and One New Reference Method | Notice | Notice is hereby given that the Environmental Protection Agency (EPA) has designated one new equivalent method for measuring SO<INF>2</INF>, one new reference method for measuring NO<INF>2</INF>, one new equivalent method for measuring concentrations of PM<INF>2.5</INF>, and one new equivalent method for measuring PM<INF>10-2.5</INF> in ambient air. | 2025-09-05 | 2025 | 9 | https://www.federalregister.gov/documents/2025/09/05/2025-17079/ambient-air-monitoring-reference-and-equivalent-methods-designation-of-three-new-equivalent-methods | https://www.govinfo.gov/content/pkg/FR-2025-09-05/pdf/2025-17079.pdf | Environmental Protection Agency | 145 | Notice is hereby given that the Environmental Protection Agency (EPA) has designated one new equivalent method for measuring SO<INF>2</INF>, one new reference method for measuring NO<INF>2</INF>, one new equivalent method for measuring concentrations... |