This OSHAcampus.com course is for general site workers who remove hazardous waste or who may be exposed to hazardous substances. It meets the requirements of OSHA 29 CFR 1910.120 for eight hours of annual refresher training for workers at sites with hazardous waste. This valuable safety training covers these objectives: Learn OSHA regulations and requirements. Understand Site Characterization. Identify the principles of toxicology and how they impact the various types of chemical exposures. And you can Save $20 Off on Hazwoper Training (8-hour, 24-hour and 40-hour).