many states offer esl as a primary endorsement such as oklahoma english as a second language p 12 connecticut tesol pk 12 and washington d c english as a second language for public school teachers other states that do not offer esl as a primary endorsement offer esl as an add on endorsement
Definition of biohazard. : a biological agent or condition that is a hazard to humans or the environment; also : a hazard posed by such an agent or condition.
1 Biohazardous waste, also called infectious waste (such as blood, body fluids, and human cell lines), is waste contaminated with potentially infectious agents or other materials that are deemed a threat to public health or the environment.