Biohazards establishments

The laboratory director establishes policies and procedures whereby only persons who have been advised ofthe biohazards and meet any specific entry requirements (e.g., special training or immunization) may enter the laboratory or animal rooms. 

Biological waste can be taken off-site by a contractor for treatment at their facilities. However, most facilities treat biological waste on site. Materials potentially contaminated with infectious materials are placed in biohazard bags in pans and these pans are treated with high temperature and steam in an autoclave. There are established protocols and procedures for doing this. It is important that no volatile organic solvent be included in this process, since this could lead to exposures or fires. 

Hazard warning signs for radioactive materials closely correspond in usage to biohazard and chemical hazard signs. The U.S. Nuclear Regulatory Commission has established three levels of warning based upon the expected radiation exposure of a worker in the laboratory (20 CFR 202-204) ... 

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