National Academies of Sciences%2c Engineering%2c and Medicine

Toxicity Testing for Assessment of Environmental Agents: Interim Report

Toxicity-testing strategies designed to generate information on potential hazards or risks posed by environmental agents have evolved in response to legislative mandates, scientific developments, and ...
JD Supra

Fifth District Holds State Water Board’s Adoption of Regulations Requiring New Test for Whole Effluent Toxicity Violated Federal Clean Water Act Regulations Governing NPDES ...

In a lengthy and highly technical published opinion filed August 5, 2025, the Fifth District Court of Appeal partly reversed and partly affirmed a judgment that had upheld the State Water Resources ...
JD Supra

National Pollutant Discharge Elimination System Whole Effluent Toxicity Permit Writer's Manual: U.S. Environmental Protection Agency Issues Final Document

The United States Environmental Protection Agency (“EPA”) has issued a July 2024 document titled: National Pollutant Discharge Elimination System Whole Effluent Toxicity Permit Writer’s Manual ...
National Academies of Sciences%2c Engineering%2c and Medicine

Toxicity Testing for Assessment of Environmental Agents: Interim Report

The purpose of toxicity testing is to generate information about a substance’s toxic properties so that the health and environmental risks it poses can be adequately evaluated. Federal agencies use ...