Keyword:   Click here to view all courses. Refrigerant Recovery - EPA Cerification Course Description The Buffalo Public Schools is now certified to provide the necessary instruction & testing to meet EPA approved Section 608 Refrigerant Recovery in Stationary Equipment and provides the necessary certification upon completion. (3-day course includes testing) Instructional & Testing Option. (06/08) Additional Note Thursday 3 weeks 6:00 – 9:00 pm 160 Edward St. Cost: $130+ $35* test fee Start Date: September 25, October 2, 9 OR November 6, 13, 20 You can register for any of our classes by downloading and mailing in a Registation Form or by calling 888-7088.