Without prejudice to the definition provided under proclamation No. 661/2009, in this directive unless the context otherwise requires: 1) “hazardous wastes” means wastes generated in health facilities that poses substantial or potential threats to public health or the environment; 2) “untreated wastes” means wastes which are not immobilized, disinfected, sterilized, encapsulated incinerated or which is not treated with other methods; 3) “pathological or human anatomical waste” include human organs, tissues, placentas removed during surgery or autopsy, waste blood or body fluids; 4) “sharps wastes” means wastes that pose potential risk of injury and infections due to their puncture or cutting properties, including syringes, needles, broken glass, blades; 5) “non-infectious wastes” means wastes that are not contaminated with blood or body fluids including usual household or municipal waste; 6) “chemical waste” means wastes that comprise discarded solid, liquid or gaseous chemicals including cleaning, housekeeping, and disinfecting product; 7) “infectious waste” means wastes that comprise all biomedical and health care waste known to have the potential of transmitting infectious agents to humans or animals which include material contaminated with blood or body fluids; 8) “heavy metals waste” means both discarded or non-functional materials and equipment with heavy metals and derivatives, including batteries, thermometers and manometers; 9) “healthcare waste management” means discipline associated with the control of generation, segregation, collection, storage, transfer and transport, processing treatment and disposal of healthcare wastes in a manner that is in accordance with best principles of public health, economics, engineering, conservation, aesthetics and other environmental considerations;