What materials are considered Universal Waste?

The universal waste regulations can vary between states and states can add different types of wastes. EPA compiled a list of which universal wastes which universal wastes states have adopted and which materials some states have added to their universal waste program. Link here https://www.epa.gov/hw/state-universal-waste-programs-united-states#additions. You should check with your state to be sure which materials are currently universal wastes in your state.