Final answer:
The left quadrant of the search marking system, found next to a room's entrance, often includes the time and date the search team entered, the team's identifier, and any hazards identified.
Step-by-step explanation:
The question pertains to the search markings used by firefighters or search and rescue teams in the event of an emergency, such as fire or earthquake, during the search of a building. The left quadrant of the search marking, which is made next to the doorway of the room entered, is typically used to record the time and date the room was searched, the team that searched it, and any hazards found within the room.
This information is crucial for coordination and safety during search operations. Teams may use different symbols or additional information as required by their protocols, but the key aspect is to provide clear communication for those who may follow.
For example, a search team entering a room at 6:23 p.m. might make a slash (/) to indicate they are entering, then once they exit, they would complete this into an X and write "6/23 18:23 Team A" in the left quadrant, with notes about hazards or relevant findings.