7.19.1 Dry Ethidium Bromide Wastes, Including Gloves and Papers

• Materials that do not fluoresce under UV light may be disposed of directly in the trash. 
• Deactivate the dye, dry the solids, and dispose via normal trash, OR
• Submit for Chemical Waste Collection a blue "Contaminated Waste Label"  – identify the materials as “Ethidium Bromide”.

Ethidium Bromide Gels

• Gels that do not fluoresce under UV light may be disposed of directly in the trash. 
• Deactivate the dye, dry the gel, and dispose via trash, OR
• Dry and submit to EHS for collection as Contaminated Waste (request blue EHS label through "askEHS").

 Liquids (non-flammable)

• Aqueous dye solutions that do not fluoresce under UV light may be disposed of down the drain.
• Deactivate and dispose down the drain.
• Absorb the ethidium bromide waste on filter media (activated carbon) and submit the media to EHS for Contaminated Waste disposal using the blue EHS label through "askEHS".  Options for this method include:
  • Carbon ‘tea’ bags
  • BondEX Maxi Ethidium Bromide Detoxification Cartridges

Liquids (flammable)

• Any ethidium bromide waste that contains a flammable liquid (such as butanol) should be submitted for Hazardous Waste disposal.
• Concentrated Mutagenic Dyes
• Concentrated mutagenic dyes that are unusable may be submitted for Hazardous Waste disposal. This includes mutagenic dyes that are concentrated by absorption onto a filter media.