News + Events

May 5, 2026 | News

Gradient Presenting at WOCA 2026

Gradient is presenting at The World of Coal Ash (WOCA) 2026 conference, taking place May 4-7, 2026, in Lexington, KY. “The Importance of Evaluating Drinking Water Exposure Pathway for Assessing Risks from CCR Sites.” A. Lewis, I. Shrivastava “Risk Evaluation of Small Coal Combustion Residual Management Unit (CCRMU) Fills.”  J. Kondziolka, A. Bittner, Q. Zhang, […]

April 26, 2026

US EPA Proposes Risk-Based Revisions to Legacy Coal Ash Regulations
If finalized, these revisions could significantly affect how regulated facilities evaluate closure, groundwater impacts, and corrective action obligations at coal ash sites.

April 24, 2026

Deep Seabed Mining: New US Regulatory Framework and the First Commercial Application
A recent Executive Order directs federal agencies to expedite deep seabed mining.

March 11, 2026

Gradient Presenting at SESHA’s 48th Annual Symposium

March 26, 2026

Gradient Toxicologist Lindsey Borton Receives Society of Toxicology Award