a bio - hazardous waste compactor is described which provides a negative air pressure and venting system while allowing for the filtration of the air and control of sound . the compactor contains a sealed chamber which includes a sump area in the bottom of the chamber for fluid control . waste is weighed so that the operator knows when to remove the waste . ultraviolet light is provided to prevent the growth of vegetative pathogenic organisms . finally , a disposable bag to be used in connection with such a bio - hazardous waste compactor is described which has an inner porous layer , an intermediate , biocide - containing , super - absorbent polymer layer and an outer non - porous layer .