Environmental, Health and Safety Services

Chemical Waste Disposal Procedures

All hazardous waste must be disposed of through Environmental, Health and Safety Services Laboratory Safety Division, according to the following procedures.

Container And Storage Requirements

    1. Chemicals must be placed in sealed containers that show no signs of leakage. Bottles with broken caps or stoppers will not be collected. Waste containers will not be returned to the generators unless arrangements have been made with this department prior to the pick-up.
    2. Containers should be full, but not overflowing. Only fill containers to about 2 - 3 inches below the cap, and for bulk containers supplied by EHS, use the markings as guidelines for filling.
    3. The Maximum Container Size is:
      Liquids = 5 gallons, Solids = 50 pounds
      Unknown Waste: Liquids = 1 gallon, Solids = 8 pounds.
    4. Waste must be stored according to chemical compatibility in proper storage cabinets.

Waste Label Requirements

    1. All chemical waste must be labeled with a Hazardous Waste Label, waste labels can be obtained by calling EHSS at 540-231-6321.
    2. All information requested on the waste label must be properly completed (see example below). Improperly completed labels will be returned.
    3. Each Label Must Have:
      • Department from which the waste was produced.
      • Building and Room number where the waste is located. If this is a locked room or cabinet, the signer, or the director of research must provide access during normal working hours (8am-5pm, M-F)
      • Name of the director of research
      • Phone number of the signer or the director.
      • Waste container size and waste volume; use only the units listed on the form: Lb.,g.,Gal.,L.,mL.
      • Use proper chemical names for the components of the waste.
      • List the percentages of ALL components in the waste.
      • Measure the pH of all aqueous phases.
      • Write and sign your name at the bottom of the form.
    4. Schedule a Waste Pickup