Which of the following statements best describes the procedure that should be followed by the person first responding to a hazardous materials emergency call
A) contact the security officer immediately
B) notify the hospital's admission office of potential patients arrival
C) refer the call to the safety officer
D) assume the victims are contaminated until proven otherwise and base any actions on that assumption

When a person attends an emergency call related to hazardous materials then he should think about the safety of patient's and other members of the hospital.

Therefore, he should assume the victims are contaminated until proven otherwise and base any actions on that assumption, this statement best describes the procedure that should be followed by the person first responding to a hazardous materials emergency call.