The Chester County Board of Commissioners is sponsoring the 2018 Certified Master Composter Classes through the Chester County Solid Waste Authority. Attendance at three evening classes is required along with 6 hours of volunteer time in order to receive certification. Classes are held in Room 171 of the Government Services Center, 601 Westtown Road, West Chester. Classes are on Tuesdays from 7:00-9:00 pm — March 13, 20, and 27. For questions or to register, please call 484-796-4041.