Question

Ashtrays may be emptied...

A. only when a portable fire extinguisher is within easy reach.
B. according to a schedule specified in the fire safety plan.
C. only by staff trained in ashtray emptying.
D. only into metal containers with self-closing covers.

Answer 1

Ashtrays should only be emptied into metal containers with self-closing covers to prevent fire hazards. Familiarity with the location of fire extinguishers and careful handling around open flames are also crucial laboratory safety measures.

Step-by-step explanation:

The question relates to the proper safety protocol for emptying ashtrays in a setting that likely involves potential fire hazards, such as a laboratory. The correct answer to this safety protocol question is that ashtrays may be emptied only into metal containers with self-closing covers.

This is to prevent fires that could be caused by still-hot ashes or embers. It is also important to note general laboratory safety practices, which include knowing the location of fire safety equipment like fire extinguishers and being vigilant when handling potentially flammable substances or operating an open flame from a Bunsen burner.