UCSC Laboratory Safety Services providing a little slug of information on . Tags are available by calling 9-2553. DO store all hazardous wastes within secondary containment.
Secondary containment can be a lab tray or a dishpan.
It just needs to hold all of the materials in case of breakage or other accident. Provide separate secondary containment for incompatible materials. DO keep containers closed at all times with a tight fitting lid. The only time the container should be opened is when wastes are being added or removed. Store liquids in a screw capped container that will not leak if tipped over.