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Chemical Waste Disposal


 

Battery Recycling Program

Used batteries containing hazardous metals (e.g. mercury, cadmium, lead, and silver) are classified as universal waste rather than hazardous waste. This allows Princeton to recycle the batteries, while continuing to ensure that the batteries are handled in an environmentally sound manner. Lead-acid batteries are also recycled.battery can

Building Services administers a collection program to encourage this recycling effort. Separate receptacles for NiCad and alkaline (although alkaline batteries no longer contain a significant amount of mercury, they should not be placed in the regular trash) batteries have been placed in the stockrooms at Frick, Engineering Quad, Lewis Thomas Lab and Physics.  Containers for additional areas are available through Al King at 8-1778.  Batteries also may be brought to the Building Services Administrative Offices at 180 Alexander St.

Packaging for Disposal

To guard against possible short circuiting, the Rechargeable Battery Recycling Corporation (established by battery manufacturers) recommends you do at least one of the following to prepare batteries for recycling:
  1. Discharge Cells: This should be done only by a knowledgeable engineer or technician. Consult your battery supplier for instructions on how to discharge cells completely and properly.
  2. Terminal Protection: If you cannot assure that the cells have been completely discharged, then cover the terminals of each battery with non-conductive tape.
  3. Place in a Plastic Bag: Batteries may be placed separately in plastic bags so the terminals will not come in contact with other batteries or metal during storage or transport.
  4. Package batteries so that terminals will not short-circuit during storage or transport.

It is important to note that this program is intended only for batteries generated from University operations. Individuals should continue to use curbside recycling, household hazardous waste days, and purchase/exchange programs for the disposal of personal batteries. Questions concerning this program should be directed to Al King at 8-1778.  Containers for additional battery categories will be added as dictated by demand.

Lead Acid Batteries

Lead-acid batteries, including car batteries, are collected by the University Garage and sent to a recycler. Contact EHS at 258-5294 for more information.


       
       
     

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