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Chemical Waste Management. What is chemical waste? Any chemical that is “CRIT”: – Corrosive: 2 ≥ pH or 12.5 ≤ pH – Reactive: reacts violently or generates.

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Presentation on theme: "Chemical Waste Management. What is chemical waste? Any chemical that is “CRIT”: – Corrosive: 2 ≥ pH or 12.5 ≤ pH – Reactive: reacts violently or generates."— Presentation transcript:

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 If you have:Collect it in a: Waste contaminated with radioactive materials Radioactive waste container and dispose through EHS’s radioactive materials program. Waste contaminated with potentially infectious materials such as human blood or human serum Standard red or yellow plastic biomedical waste tub lined with a red bag. EHS picks up full biomedical waste tubs for final disposal. Sharps contaminated with biomedical or infectious waste Rigid sharps container. Place closed sharps containers into a red or yellow biomedical waste tub, depending on the waste stream. Sharps contaminated with highly toxic or carcinogenic chemicals Rigid sharps container. Place closed sharps containers in sealed chemical waste container and dispose through EHS as chemical hazardous waste. Empty gas cylindersDispose through EHS as chemical hazardous waste. Chemical spill debrisSealed chemical waste container and dispose through EHS.

12 Scheduling a waste pick up Fill out UCD Chemical Waste Disposal Form and to: Call (303) for scheduling a pick up of a large amount of waste


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