Documents

National Primary Drinking Water Regulations: Consumer Confidence Reports (2024 Revision)

U.S. Environmental Protection Agency Implementation of Gold Standard Science

Announcement of Preliminary Regulatory Determination for Contaminants on the Fifth Drinking Water Contaminant Candidate List

Drinking Water Contaminant Candidate List 6--Draft

United States Geological Survey Estimated Annual Agricultural Pesticide Use: Pesticide Use Maps-Chlorpyrifos

Restoring Gold Standard Science

Recommended Parameters to Enhance Sensitivity for the Analysis of Select Purgeable Organic Compounds using EPA Method 524.3 (EPA 815-B-09-009) in Selected Ion Monitoring (SIM) Mode

Standard Practice for Collection of Water Samples with High, Medium, or Low Suspended Solids for Identification and Quantification of Microplastic Particles and Fibers

Standard Practice for Preparation of Water Samples with High, Medium, or Low Suspended Solids for Identification and Quantification of Microplastic Particles and Fibers Using Raman Spectroscopy, IR Spectroscopy, or Pyrolysis GC/MS

Method 563: Determination of Selected Ultrashort Organofluorine Compounds in Drinking Water by Liquid Chromatography/Tandem Mass Spectrometry

Request of the Governors of New Jersey, Delaware, Illinois, Maryland, Michigan, Wisconsin, and Connecticut under 42 U.S.C. § 300j-4(a)(2)(B)(ii) that EPA Include Microplastics in the Forthcoming Unregulated Contaminant Monitoring Rule 6 List

Documentation of OMB Review Under Executive Order 12866: Revisions to Establish the Sixth Unregulated Contaminant Monitoring Rule (UCMR 6) for Public Water Systems