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ECAR Fact Sheet for Delaware
Window-Washing Fluid

Regulations
Self-Audit Checklist
Best Management Practices
Contacts
Related ECAR Fact Sheets
Other Relevant Resources

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The following fact sheet was prepared by the ECAR Center staff. Once prepared, each ECAR Center fact sheet undergoes a review process with the applicable state environmental agency(ies). You can check on the status of the review process here. Please read the disclaimer on the status page. While we have tried to present a summary of the essential information on this topic, you should be aware that other items, such as local regulations, may apply to you.

What You Need to Know

The main thing to remember about window-washing fluid is not to mix it with any other fluid that could turn it into a hazardous waste.  If you keep it uncontaminated, it does not have to be a waste at all -- it can even be of value to you, since recovered window-washing fluid can be resold or given to customers or employees.

But even if you have kept it clean, do not pour it down the drain.

The Delaware Department of Natural Resources and Environmental Control (DNREC) has prepared a guidance document to help auto recyclers manage window-washing fluid. You can access the guidance for window-washing fluid under "Other Relevant Resources."


Regulations

Window-washing fluid is mainly water with small amounts of alcohol and detergent and possibly antifreeze. The regulations for handling window wiper fluid are similar from state to state, meaning that if window wiper fluid is not mixed with other fluids, it can be recycled without any regulatory impacts. In Delaware, window-washing fluid cannot be disposed of onto the ground, in septic tanks, in sewer systems, or storm drains.

If window-washing fluid is combined with other fluids, the mixture may be a hazardous waste and you should perform a hazardous waste determination. See the ECAR Hazardous Waste fact sheet for more information.

Links to the Regulations. Use the following links to view the regulations pertaining to window washing fluid.

Delaware's Hazardous Waste Management Requirements

Federal EPA Standards Applicable to Generators of Hazardous Waste


Self-Audit Checklist

When an inspector comes to your facility, there are certain things he or she checks to see if you are in compliance with environmental regulations. It makes good sense for you to perform a "self-audit" and catch and correct problems before they result in penalties. Also, there are some compliance incentives associated with self-audits (see Audit Policy Page).

Use the following list to audit your procedures for recycle/disposal of window-washing fluid.

  1. Window-washing fluid can be managed as a non-hazardous waste if it is not combined with other fluids. Verify that window-washing fluid is accumulated into separate storage containers and that no other types of fluids are added to these containers.
  2. Window-washing fluid cannot be disposed of onto the ground, in septic tanks, in sewer systems, or storm drains. Verify that procedures are in place to properly manage and dispose/recycle window-washing fluid.

Best Management Practices (BMPs)

Most regulations tell you what you have to do to be in compliance, but they don't explain how to do it. That's where "best management practices" come into play. BMPs are proven methods that help you to get into compliance and stay there.

The following BMPs are recommended for management and recycle of window-washing fluid:

  • Drain window-washing fluid from vehicles as soon as possible after they enter your facility.
  • Reuse window-washing fluid in salvage facility or employee vehicles.
  • Sell or give away removed window-washing fluid to customers.
  • Store window-washing fluid in covered containers on a curbed, coated or lined, concrete surface with spill controls, including drip-pans and absorbents.
  • Do not pour window-washing fluid on the ground.
  • Do not pour window-washing fluid down sanitary sewers, storm water sewers or septic drains.
  • Do not mix window-washing fluid with other fluids.

Contacts

  1. For more information, contact the Delaware Department of Natural Resources and Environmental Control (DNREC), Division of Air and Waste Management, Hazardous Waste Program at 302-739-3689.
  2. To report an emergency spill or leak, call the DNREC 24-hour Release Reporting Hotline at 800-662-8802, or 302-739-5072 (business hours), or the National Response Center at 800-424-8802. Releases by transporters must be reported by calling the 24-hour hotline at 800-662-8802, or the DNREC at 302-739-3689 or 302-739-4580.
  3. To report an environmental incident or complaint, contact the nearest regional office, or call the Toll-Free 24-Hour Environmental Complaint Line.

Related ECAR Fact Sheets

None.


Other Relevant Resources

  1. Delaware - Window-Washing Fluid Guidance in Salvage Yard Guidance Document (Chapter 2b)


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