Chemical Waste: Solids

Solid chemical waste is disposed via trash disposal or the Chemical Waste Program.  Solids are never disposed down the drain or in storm drains.

Trash Disposal

Trash disposal is only permissible for select wastes.  Please reference this list for solid chemicals eligible for trash disposal. 

These solids are not considered regulated hazardous wastes by the EPA, are not subject to New jersey Polllutant Discharge Elimination Rules. 

Submitting any other chemical waste in trash may not be in compliance with these regulations and rules and may result in criminal charges.  Improper disposal is a hazard to waste management personnel, civilians, and the environment. 

Do not dispose of any other wastes in trash without express permission from Environmental Health and Safety. 

Chemical Waste Program Disposal

Solid chemical waste determined to be regulated hazardous waste must be disposed of via the Chemical Waste Program in accordance with hazardous waste disposal requirements. 

Solid chemical waste that is not on the list for trash disposal must be disposed of via the Chemical Waste Program. These wastes should be:

  • packed in strong, sealable containers
  • labeled with the contents
  • labeled with the words HAZARDOUS WASTE and with the names of the principal chemical constituents and the approximate percentage.
  • submitted using the Waste Pick Up Request Form

Silica Gel

Silica gel used for purification of solvents or products should be submitted to the Chemical Waste Program as hazardous waste.  Silica gel, molecular sieves, and other absorbent materials contaminated with hazardous materials are also considered hazardous waste.  5 gallon buckets and 16 gallon drums are provided by EHS at no cost to the generator. Contact EHS to request containers.  

Mercury Containing Devices

Intact mercury containing devices are considered Universal Waste by NJDEP and can be processed for recycling rather than disposed of. To dispose of intact mercury lamps, bulbs, thermometers, or other devices, contact Facilities at 609-258-8000.  Place the article in a sealed container and label the containers as "Universal Waste - Mercury containing device" so that Building Services staff can collect the article.  

Computers and Electronics

Electronic waste and scrap may contain heavy metals, but is considered Universal Waste by NJDEP and can be processed for recycling rather than disposed of. Contact Facilities at 609-258-8000 to pick-up. Place the scrap in a container to prevent damage and label the container as "Universal Waste - electronic scrap" so that Building Services staff can collect the articles.  


Non-rechargeable alkaline batteries are not considered hazardous waste and can be discarded with general waste. Rechargeable batteries, categorized by the EPA as universal waste (hazardous but common), must be recycled in approved containers. Battery terminals should be taped over prior to placing the battery into the receptacle. Learn more in our Batteries/Battery Pack Management section. 


Chris Niles
Sr. Laboratory Safety Specialist

Stanley Howell
Sr. Program Manager
Chemical Safety 

Joan Hutzly
Laboratory Safety Specialist