federal_register: 2025-05923
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 | regulation_id_numbers |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025-05923 | Ambient Air Monitoring Reference and Equivalent Methods; Designation of Two New Equivalent Methods | Notice | Notice is hereby given that the Environmental Protection Agency (EPA) has designated 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. | 2025-04-07 | 2025 | 4 | https://www.federalregister.gov/documents/2025/04/07/2025-05923/ambient-air-monitoring-reference-and-equivalent-methods-designation-of-two-new-equivalent-methods | https://www.govinfo.gov/content/pkg/FR-2025-04-07/pdf/2025-05923.pdf | Environmental Protection Agency | 145 | Notice is hereby given that the Environmental Protection Agency (EPA) has designated 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. |