The Hazardous Waste Worker Refresher program re-certifies members who have taken either the 80 Hour or 40 Hour Hazardous Waste Worker Course. This course is required annually, the program meets all Occupational Safety and Health Administration (OSHA) training requirements under 29 CFR Part 1910.120– Hazardous Waste Operations and Emergency Response. Participants receive instruction regarding new or revised regulations, remediation technologies, and advancements in remediation processes.