DO determine if your waste is hazardous: Is it an Ignitable, Corrosive, Reactive, Toxic or a listed waste?
DO select a chemical waste accumulation area that is out of the way of normal activities easily identifiable and safely accessible.
DO label each waste container with "Hazardous Waste" and the specific names of the waste constituents.
DO store waste in compatible containers with an unbroken screw-top lid.
Do keep containers of waste closed except when waste is being added to them.
DO segregate halogenated and non-halogenated solvents.
DO store all chemical waste within secondary containment can be a lab tray or a dishpan. It just needs to hold the contents of the largest container in case of breakage or accident. Provide secondary containment for incompatible materials.
DO keep container exteriors free from contamination. Wipe down container if necessary.
DO NOT pour chemicals or solvents down the drain.
DO NOT evaporate chemical wastes in a fume hood.
DO NOT abandon chemicals in the laboratory.
DO NOT mix various waste chemicals indiscriminately,
DO NOT throw chemicals into trash containers until you determine if waste is non-hazardous.
DO NOT accumulate chemical wastes for any extended period of time. A chemical waste disposal form should be completed when a container is 95% full. A container not yet full should not be held for more than 9 months.