Correct Response: C. Hazard warnings are an important safety consideration that are commonly mandated by legislation. Hazard warnings include information such as toxicity, radioactivity, or flammability. This information is needed in the event of an accident, such as a spill, ingestion, etc. A is incorrect because the room number of the laboratory is not information that is needed in the event of an accident. B is incorrect because the date the stock reagent bottle was received is not information that is needed in the event of an accident. D is incorrect because while the phone number of the chemical hygiene officer is important to have available in the laboratory, it is not information that will help a teacher respond specifically to an accident involving the chemical.
