Each barrel has a green sticker pasted to it that says the barrels contain soil and “non-hazardous waste” and attribute the shipper to Shaub-Ellison, a local tire dealer and automotive service.

Whenever the Hazmat unit empties and rinses 5 gallon carboys that are suitable for reuse, they are transported back to the ChemStores within the Chemistry and Biochemistry Department for reuse as a ...