Request for AIS Waiver for 60-Inch Diameter Ductile Iron Threaded Flanges for Winston-Salem and Forsyth County, North Carolina

The following waiver request has been received by EPA. The 15-day public comment period is closed. EPA is currently reviewing the waiver request.

• AIS Waiver Request for 60-Inch Diameter Ductile Iron Threaded Flanges for Winston-Salem and Forsyth County, North Carolina (pdf) (17.9 MB)