Now Registering for our Upcoming OBC Part 8 Installers Course by ontarioruralwastewatercentreOctober 13, 2017January 15, 2018Leave a comment OBC Part 8 Sewage Installer Course 2018 Dates January 8 to 12 February 12 to 16 March 19 to 23 April 9 to 13 (See Courses and Workshops for more information)