Chemical waste management
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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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Chemical waste management

Chemical Waste Management


What is chemical w aste

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)


Chemical waste management

CRIT


When do chemicals become waste

When do chemicals become waste?

  • Expired chemicals

  • Spent chemicals/waste that has bee used for intended purpose

  • Unstable materials

  • Unwanted surplus


Where to store waste

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


How to store waste

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


Hazardous waste label

Hazardous waste label


Chemical waste storage limits

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


What should a weekly inspection entail

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


Saa log sheet

SAA log sheet


Proper disposal for other non chemical hazardous wastes

Proper disposal for other non-chemical hazardous wastes


Scheduling a waste pick up

Scheduling a waste pick up

  • Fill out UCD Chemical Waste Disposal Form and email to: [email protected]

  • Call (303) 724-0345 for scheduling a pick up of a large amount of waste


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