Chemical waste must always be under "control" of the laboratory and must not be stored in general traffic locations such as halls or other areas with public access. Waste collection containers must be ...

It is not exhaustive but is helpful for day-to-day chemical disposal. Teachers should keep a log of the contents of all hazardous waste disposal containers to avoid extra costs associated with hazmat ...

Certain expired and unusable chemicals are hazardous waste and subject to regulations. Watch for expiration dates on containers of peroxide-forming chemicals including ethers. Biohazardous waste is ...

A tray or secondary container should be placed underneath the waste containers to avoid any spill/leaks. Mercury chemical waste (e.g. old thermometers) should be clearly identified. If chemical waste ...