| DO's |
• |
DO
complete and attach a chemical waste label
immediately after adding the first drop of
waste to a container. |
| |
|
| • |
DO
store all chemical 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. |
| |
|
• |
DO select a container that is compatible with
the type and amount of waste generated. |
| |
|
• |
DO
select a chemical waste accumulation area
that is out of the way of normal activities
but easily identifiable and safely accessible
for EH&S staff. |
| |
|
• |
DO
package chemical waste contaminated sharps
and other piercing objects in appropriate
containers. |
| |
|
• |
DO
keep container exteriors free from contamination.
Wipe down the container if necessary. |
| |
|
| DON’Ts |
• |
DO
NOT mix wastes. For safety and to avoid excessive
disposal fees, don't mix radioactive or biohazardous
wastes with chemical waste and don't mix wastes
with different hazard properties. |
| |
|
• |
DO
NOT overfill Containers. Containers with liquid
wastes should be no more than 95% full. |
| |
|
• |
DO
NOT pour chemical wastes down the drain. |
| |
|
• |
DO
NOT evaporate chemical wastes in a fume hood. |
| |
|
| • |
DO
NOT accumulate chemical wastes for any extended
period of time. A Waste
Manifest Form should be completed when
a container is 95% full. A container not yet
full should be held for no more than 9 months. |
