This procedure applies to the disposal of certain hazardous wastes regulated by the U.S. EPA as universal waste. Universal waste may contain mercury, lead, cadmium, nickel and other hazardous materials.
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- Containers are selected based on the type and size of equipment and may vary.
- Small items of mercury containing equipment may be placed in a plastic bag, double bagged, and the bags tied closed.
- Bags must then be placed into a structurally sound, rigid container such as a cardboard box.
- Container must be capable of being closed so that no material can fall out.
- Contact EHS for assistance with selection of containers.
Labeling and Marking
- Generator of equipment attaches a University of Iowa “Universal Waste-Mercury Containing Equipment” label to the container.
- Mark on the label the date the first piece of equipment is placed in the container.
- Mark on the label the name of the building where the equipment container is stored.
- Contact EHS to obtain labels.
- Containers must be kept closed at all times, except when adding pieces of equipment to container.
- When appropriate use secondary containment to prevent spills.
- Containers of equipment must not be stored for longer than 11 months.
- Contact Environmental Health & Safety for pickup not more than 11 months after the date the first piece of equipment is placed in the container, whether the container is full or not.
- Environmental Health & Safety will pick up mercury containing equipment for disposal.
Mercury Spills/Leaking Equipment
- Clean up mercury spills immediately.
- Contact Environmental Health & Safety for questions on spill clean up.
- Place mercury contaminated material into a separate container from non-broken/non-leaking equipment.
- Spill residues are also hazardous waste.
- Label containers with hazardous waste labels supplied by Environmental Health & Safety.
- Contact Environmental Health & Safety for disposal.