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Chemical Waste Management

Chemical Waste Management. What is chemical w aste?. Any chemical that is “CRIT”: Corrosive: 2 ≥ pH or 12.5 ≤ pH Reactive: reacts violently or generates toxic/flammable gases Ignitable: flash point of less than 140° F

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Chemical Waste Management

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  1. Chemical Waste Management

  2. What is chemical waste? • Any chemical that is “CRIT”: • Corrosive: 2 ≥ pH or 12.5 ≤ pH • Reactive: reacts violently or generates toxic/flammable gases • Ignitable: flash point of less than 140° F • Toxic: cause injury or death by inhalation, absorption, ingestion, or injection • Listed wastes • Universal wastes (e.g., batteries, fluorescent lights)

  3. CRIT

  4. When do chemicals become waste? • Expired chemicals • Spent chemicals/waste that has bee used for intended purpose • Unstable materials • Unwanted surplus

  5. Where to store waste? • Waste can be stored in the lab in a satellite accumulation area (SAA) • Everyone should know where the SAA is located

  6. How to store waste? • Segregate waste by chemical characteristics (i.e.: flammables should not be stored with acids) • Same storage principles apply for raw materials as with waste • In accordance with storage limits • All containers must be labeled and intact • Must be inspected weekly

  7. Hazardous waste label

  8. Chemical waste storage limits • No more than 2 gallons of flammable liquids outside of a flammable cabinet • 10 gallons of waste per SAA • 1 quart of acutely toxic (P-listed) waste

  9. What should a weekly inspection entail? • Check that containers are in good condition with no leaks • Containers must be closed with a proper lid (no parafilm!) • UCD waste label is attached and completed for each container • No incompatible wastes are stored together • Weekly log sheet should be signed

  10. SAA log sheet

  11. Proper disposal for other non-chemical hazardous wastes

  12. Scheduling a waste pick up • Fill out UCD Chemical Waste Disposal Form and email to: ehs.hazmat@ucdenver.edu • Call (303) 724-0345 for scheduling a pick up of a large amount of waste

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