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Recapping the 4 most intriguing hazardous waste questions from our customers in 2023

Paper cutouts of pink, white, and beige question marks.

This holiday season, the Hazardous Waste Management Program is thankful for our customers diligently disposing of their hazardous waste properly. Taking the time to store, transport, and dispose of hazardous products properly helps protect your family, furry friends, and the environment.

Common examples of hazardous waste include batteries, oil-based paint, and fluorescent light bulbs. But did you know there are plenty of other items that are accepted as hazardous waste? We’re here to help when you’ve got a question!

As the end of 2023 approaches, we wanted to share some of the most intriguing questions we received from our call center. You might be surprised by the answers.

  1. How do I dispose of lubricating grease?
    Lubricating grease is accepted at hazardous waste collection sites. The grease must be contained and labeled. Containers should not exceed 5 gallons.
  1. How should I dispose of a reed diffuser?
    The liquid fragrance is accepted at hazardous waste collection sites. The wooden reeds and the empty container can be thrown in the trash.
  1. How should I dispose of supplements?
    Supplements are not accepted at hazardous waste collection sites. However, if you’re disposing of supplements, you can put them in coffee grounds and dispose of them in the garbage. The original packaging can then be recycled or thrown in the trash, depending on the materials used.
  1. How should I dispose of my electric blanket?
    Non-working electric blankets can be thrown in the garbage.

If you have questions about a product qualifying as hazardous waste, feel free to contact us. Our call center representatives will be more than happy to find the right solution. Our call center is open Monday through Saturday, from 9 a.m. to 5 p.m. Give us a call at 206-296-4692. Customers can also send their questions via email to

We greatly appreciate your efforts to contact us to ensure hazardous waste does not enter our rivers, streams, and wildlife. We are looking forward to serving you in the new year.

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