Category Examples of potentially affected entities State, Territorial, and Indian Tribal Governments States authorized to administer the National Pollutant Discharge Elimination System permitting program; states, territories, and Tribes providing certification under CWA section 401; state, territorial, and Tribal-owned facilities that must conduct monitoring to comply with NPDES permits. Industry Facilities that must conduct monitoring to comply with NPDES permits; the environmental monitoring industry. Municipalities Publicly Owned Treatment Works or other municipality-owned facilities that must conduct monitoring to comply with NPDES permits.
Document Information
- Published:
- 01/21/2025
- Department:
- Environmental Protection Agency
- Entry Type:
- Proposed Rule
- Action:
- Proposed rule.
- Document Number:
- 2024-29239
- Dates:
- Comments must be received on or before February 20, 2025.
- Pages:
- 6967-7037 (71 pages)
- Docket Numbers:
- EPA-HQ-OW-2024-0328, FRL 11799-01-OW
- RINs:
- 2040-AG37: Clean Water Act Methods Update Rule for the Analysis of Contaminants in Effluent
- RIN Links:
- https://www.federalregister.gov/regulations/2040-AG37/clean-water-act-methods-update-rule-for-the-analysis-of-contaminants-in-effluent
- Topics:
- Environmental protection, Incorporation by reference, Reporting and recordkeeping requirements, Water pollution control
- PDF File:
- 2024-29239.pdf
- Supporting Documents:
- » Evaluating Preservation Requirements for Acrolein and Acrylonitrile in Aqueous Matrices The results of a study sponsored by the Environmental Monitoring Coalition March 2, 2022
- » Research Report: D19-2006 Interlaboratory Study to Establish Precision Statements for ASTM D8421-24, Test Method for Determination of Per- and Polyfluoroalkyl Substances (PFAS) in Aqueous Matrices by Co-solvation followed by Liquid Chromatography Tandem Mass Spectrometry (LC/MS/MS)
- » ASTM D8421-24 Standard Test Method for Determination of Per- and Polyfluoroalkyl Substances (PFAS) in Aqueous Matrices by Co-solvation followed by Liquid Chromatography Tandem Mass Spectrometry (LC/MS/MS)
- » 4500-H2O2 B. Ferric Thiocyanate Colorimetric Method Hydrogen Peroxide (Residual), July 17 – 19, 2018 Laboratory Validation Study Summary
- » 4500-PAA B. DPD Colorimetric Method Peracetic Acid (Residual) Proposed July 17 – 19 2018 Laboratory Validation Study Summary
- » Standard Methods 4500-H2O2-hydrogen-peroxide-(residual) 2020
- » Standard Methods 4500-PAA Peracetic Acid (Residual) 2019
- » EPA Method Study 18 Method 608 - Organochlorine Pesticides and PCB'S
- » Index of Files Associated with the Proposal of EPA Method 1621
- » Index of Files Associated with the Proposal of EPA Method 1633
- CFR: (1)
- 40 CFR 136