Sige, Department of Laboratory Medicine, Class A Tertiary Hospital - All types of laboratory biomedical solid waste (including experimental animal corpses, except sharp instruments) must be packed in special plastic bags. Biochemical waste contaminated with pathogenic microorganisms Solid waste or waste contaminated by pathogenic microorganisms must first be inactivated and disinfected in the laboratory using high-pressure steam sterilization or soaking in 2000 mg/L effective chlorine disinfectant for 1 hour; sharp waste must be sent to storage It must be properly packaged in strong, thick small cardboard boxes and other containers to avoid exposure and injury.