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ECAR Fact Sheet for Connecticut
Shop Towels

 

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

When you absorb toxic or flammable material in a towel, you haven't made it any less toxic or flammable.  Depending on what they have been used for, shop towels may need to be managed as hazardous wastes.  But you may be able to be exempt from the full burden of hazardous waste management rules if you send your towels to a qualified industrial laundry service.  (The service has to discharge its wastewater into an approved wastewater treatment facility -- it can't discharge directly to a river or stream, for example.)  If you do not send your towels out for cleaning (for example, if you use disposable towels), then the burden is on you to prove that they are not hazardous before you dispose of them.  Reusable towels and a qualified laundry service are by far the best bet.


Regulations

In Connecticut, how you manage used rags depends on what they are contaminated with. If the used rag is:

  • Dripping with used oil, manage as used oil (see ECAR Used Oil Fact Sheet).
  • Contaminated with used oil, but not dripping, test for hazardous waste then properly manage.
  • Contaminated with paints or solvents, or other hazardous materials, manage as hazardous wastes.
  • Contaminated with non-hazardous materials such as waxes, polishing compounds, etc., manage as solid waste if only a small number are generated (1 or 2 per dumpster). If significant numbers of these rags are generated, however, they must be segregated and managed as Connecticut-regulated waste.
  • Contaminated with other material (or only with mild cleaners or soaps), dispose of in regular trash.

If you lease rags and have them laundered, and they are contaminated with hazardous waste, you must manage them as hazardous wastes until they are picked up for laundering. However, they do not require a hazardous waste manifest.

All laundries that handle industrial rags must have a wastewater discharge permit from the Connecticut Department of Environmental Protection (CT-DEP). To obtain a list of facilities that have valid discharge permits and their compliance status with the permit conditions, contact the CT-DEP (listed under the “Contacts” section below).

If contaminated rags/used shop towels are not sent to a laundering service, then auto recyclers must determine if the dirty shop towels are hazardous or not before disposing of them. Most likely they are indeed hazardous. Therefore, they must be managed in accordance with hazardous waste regulations. See the ECAR Hazardous Waste Fact Sheet.

Links to the Regulations. Use the following links to view the regulations pertaining to shop towel management and storage.

Connecticut Hazardous Waste Regulations

Connecticut Used Oil Regulations

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 handling of used shop towels.

  1. Shop towels are exempt from regulation if they are managed correctly and picked up for laundering by an industrial laundry service that is connected to a publicly owned treatment works facility (POTW). Verify that dirty shop towels are managed correctly and picked up for laundering by an industrial laundry service that is connected to a publicly owned treatment works facility (POTW). Contract with a permitted industrial laundry service that delivers clean cloth rags and will pick up the soiled rags on a regular basis. The laundry service may require you to limit the solvent and other chemical content of the soiled rags because of the limits on their permit to discharge wastewater into the sanitary sewer. Have your laundry service certify that they hold the appropriate permits and they are in compliance with the permit conditions.
  2. Are you sending shop towels to be laundered? If so, ensure that the used towels are managed as hazardous waste until they are picked up by the laundering facility.
  3. Do your shop towels contain free liquids? If so, there is no hazardous waste exemption for rags or soiled clothing contaminated beyond saturation.
  4. Are you properly storing your shop towels? Store ignitable shop towels in NFPA approved, labeled containers until they are picked up for laundering or disposal.

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 handling used shop towels.

  • Keep oily rags separate from other rags that have been contaminated with hazardous materials such as solvents.
  • Remove excess solvent from rags by wringing or pressing excess into a coverable container, or store rags in a double-bottomed drum that allows the solvent to drip where it can be collected and recycled or managed appropriately.
  • Avoid using disposable towels. Use cloth towels from an industrial laundry service that is discharging its wastewater into a public sewer system.
  • Do not dispose of solvents by pouring them onto rags or into containers of used shop towels.
  • Do not saturate your towels. If you do, wring them out and reuse the liquid.
  • Do not throw dirty wipes, paper towels or rags into the dumpster if they have come into contact with hazardous solvents or waste.
  • Do not dispose of dirty shop towels in vehicles to be crushed or shredded.
  • Keep waste shop towels in a closed, fireproof metal container labeled "Used Shop Towels."
  • To reduce the risk of spontaneous combustion when storing shop towels in metal cans, keep the towels moist with water.
  • Examine your equipment cleaning practices to identify opportunities to reduce their frequency, thereby reducing the number of towels, wipes, or rags that are used for this purpose.
  • Maintain records of analytical waste determinations and disposal receipts for at least 3 years.

Contacts

  1. For more information, or to obtain a list of facilities that have valid discharge permits and their compliance status with the permit conditions, contact the CT-DEP at 860/424-3018 and ask for the “engineer of the day”.
  2. To report a spill or leak, immediately call the Connecticut Department of Environmental Protection, Oil and Chemical Response Division at 860-424-3338, 24 hours/day.  Should this number become unavailable for any reason, call 860-424-3333. Within 24 hours of the spill you are required to complete a written Report of Petroleum or Chemical Product Discharge.
  3. To report an environmental incident or complaint, contact the nearest regional office.

Related ECAR Fact Sheets

  1. Hazardous Waste
  2. Used Oil Fact Sheet

Other Relevant Resources

  1. Connecticut Auto Recycling Guide


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