Each waste container must be indelibly labeled with the following:

1. The words "Hazardous Waste"
2. [New requirement as of May 2021] Identify the waste characteristic, either by checking the box(es) on the template provide, or writing in the characteristic(s) by hand. Waste characteristics include: Reactive, Toxic, Ignitable, and/or Corrosive.
3. The estimated chemical concentrations (% by volume) of the wastes in the container. Concentrations must total 100%.
4. The name of the Principal Investigator.
5. Room Number and Building the waste is being removed from.
6. A phone number for a contact person.
7. The date waste was initially placed into the container. When waste is moved from a Satellite Accumulation Area to a 90 Day Accumulation Area, the original date must be deleted and the date the waste was moved to the 90 Day Accumulation Area be applied.

NOTE: EHS has preprinted labels available. To request blank labels, call (410) 706-7055. If you are not using the template provided on this page, all the information requested above must be written clearly and in English. 

If the waste is packaged in its original container without any other wastes and the exact chemical contents are listed on the label under "Ingredients", add the words "Hazardous Waste", the building and room number where the waste is to be picked up, and the date when you determined this was expired, no longer wanted, or unusable. 

Labels must not contain abbreviations, chemical formulas or trade names.