educational services, namely, providing courses of instruction on cleaning services relating to the collection and disposal of bio-hazardous waste, human or animal remains or body fluids, and the decontamination, deodorizing and disinfecting of sites where such waste and remains are located

cleaning services, namely, the collection and disposal of biohazardous waste, human or animal remains or body fluids, and disinfecting of sites where such waste and remains are located; and sanitation consultation relating thereto

educational services, namely, providing courses of instruction on cleannig services relating to the collection and disposal of biohazardous waste, human or animal remains or body fluids, and the decomtamination, deodorizing and disinfecting of sites where such waste and remains are located