Aquatic Toxicology Unit (ATU)
Unit Main Number 919-743-8401
Biological Laboratory Information
All toxicity analyses reported by dischargers must, by water quality regulations, be performed by a biological laboratory certified by the state of North Carolina. This certification program is operated by the Aquatic Toxicology Branch and includes laboratory inspections, data tracking and performance evaluation testing.
NC DWR Whole Effluent Toxicity (WET) Procedures
Water Sciences Section 1623 Mail Service Center Raleigh, NC 27699-1621 919.743.8400