1. Chemical Waste How full is too full?
An explanation of the reason why…

2. Chemical Waste How full is too full?
Too much!
Dump some out.
Just Right

3. Chemical Waste How full is too full?
The reason why: if liquid fills the bottle up to the neck, there will be little room for expansion.
If temperature increases, the liquid will expand.
It has happened: one summer on a hot day the air-conditioning went down and a waste bottle of THF shattered when the liquid expanded.

4. Chemical Waste How full is too full?
So never fill liquid above the wide portion of the bottle!

5. Chemical Waste Common Chemical Collection and Packaging Problems
Chemicals not labeled
Incomplete information on labels and waste packing forms, e.g., contents descriptions, percentages, pH, and amounts
Chemical names and descriptions on waste packing form do not match those on container labels
Some containers are not listed on forms
Hazardous liquid containers packed on their side
Bottles not tightly capped
Incompatible chemicals packed together
UofM, DESH