8-Hr Certified Asbestos Supervisor Refresher 8-Hr Certified Asbestos Worker Refresher 4-Hr AHERA Building Inspector Refresher 8-HR Lead RRP Initial 8-Hr AHERA Project Designer Refresher 8-Hr HAZWOPER Refresher 16-Hr AHERA Management Planner Initial 4-Hr Management Planner Refresher 24-Hr AHERA Building Inspector Initial