The draft criteria was released on July 29, 2016 for a 60-day public comment period. The draft document incorporates use of the saltwater biotic ligand model (BLM), a bioavailability model that relies on water quality input parameters to estimate copper criteria that is protective of aquatic life in estuarine/marine environments, and an updated toxicity database. Incorporation of the BLM allows users to account for individual water quality variables (temperature, pH, dissolved organic carbon, and salinity) that influence the bioavailability and toxicity of copper in estuarine/marine environments.
- Federal Register Notice: 2016 Draft Estuarine/Marine Copper Aquatic Life Ambient Water Quality Criteria (July 29, 2016)
- View public comments and other supporting documents on regulations.gov by searching for Docket Number EPA-HQ-OW-2016-0332
- Draft Estuarine/Marine Biotic Ligand Model (BLM) (zip)(1 pg, 2 MB)
Terms and conditions of use:
- Permission is granted for individuals to download and use the software on their personal and business computers.
- Users may not alter, modify, merge, adapt, or prepare derivative works from the software.
- Professional judgment is needed to determine adequacy and applicability of the models and methods provided in the draft EPA Estuarine/Marine Copper Biotic Ligand Model.
- Fact Sheet: 2016 Draft Estuarine/Marine Copper Aquatic Life Ambient Water Quality Criteria (PDF)(2 pp, 236 K, July 2016, EPA 822-F-16-004)
- Document: 2016 Draft Estuarine/Marine Copper Aquatic Life Ambient Water Quality Criteria (PDF)(257 pp, 4 MB, July 2016, EPA 822-P-16-001)