Name your Palette: Description: There are three levels for Hazwoper training as listed in the OSHA 1910.120 regulations. The first level for HAZWOPER training pertains to emergency response. The second level is clean up of contaminated hazardous waste sites and the last level pertains to the treatment, storage and disposal (TSD) of hazardous waste. Within these 3 categories are various job functions and training requirements. Each of these levels offer HAZWOPER certification for the different job functions. www.natlenvtrainers.com/levels-of-hazwoper-training