They ought to be disposed according to the following order: Radioactive > Biohazard > Chemical
For example: if sharps are contaminated with a mixture of hazardous components, treat them as follows:
- Biohazardous and hazardous chemicals: chemically disinfect the biohazardous agent (if possible), do not autoclave, and consider as chemically contaminated sharp
- Biohazardous and radioactive: to be disposed as radioactive waste
- Biohazardous, radioactive and hazardous chemicals: to be disposed as radioactive waste
