Chemical Contaminant: Phase II/V Rule Regulatory Corrections and Significant Rule Developments
The following Federal Register notices discuss rule changes and corrections that are part of the Phase II/V Rule.
- Alternate Nitrate MCL of 20 mg/L: Interim Primary Drinking Water Regulations; Amendments (Final Rule) (PDF) (1 pg, 38 K, About PDF)
- Nickel Remand: National Pollutant Discharge Elimination System and Pretreatment Programs; State and Local Assistance Programs; Effluent Limitations Guidelines and Standards; Public Water Supply and Underground Injection Control Programs: Removal of Lega (PDF)(8 pp, 434 K, About PDF)
- Arsenic Rule Effective Date Delay: National Primary Drinking Water Regulations; Arsenic and Clarifications to Compliance and New Source Contaminants Monitoring: Delay of Effective Date (PDF)(9 pp, 194 K, About PDF)
- Arsenic Rule Clarification: Minor Clarification of National Primary Drinking Water Regulation for Arsenic (Final Rule) (PDF)(6 pp, 178 K, About PDF)