Gradient Presenting at WOCA 2026

News & Events

May 5, 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, M. Arshadi, B. Hensel (EPRI)
  • “Providing Perspective on Arsenic Risks in the Human Health Risk Evaluation of Coal Combustion Products (CCPs).”  A. Lewis
  • “Re-evaluation of US EPA’s 2024 Risk Assessment of Coal Combustion Residual Management Unit (CCRMU) Fills.” A. Bittner, J. Kondziolka, A. Lewis, Q. Zhang, M. Arshadi, H.D. Register, Jr. (USWAG)
  • “Corrective Action Alternative Evaluation for Surface Impoundment Remedy – Two Case Study Examples.” Q. Zhang, A. Bittner
  • “Risk Evaluation of Linear Coal Combustion Residual Management Unit (CCRMU) Fills.” Q. Zhang, M. Arshadi, A. Bittner, J. Kondziolka, B. Hensel (EPRI)
  • “Understanding the 2024 Legacy Rule Risk Assessments.” I. Shrivastava, A. Lewis, J. Kondziolka, A. Bittner