Where can RD employees find information on the operation and types of fire extinguishers?

The most appropriate source for RD employees seeking information on the operation and types of fire extinguishers is the Timetable special instructions. This document is specifically designed to provide detailed instructions and essential operational guidelines relevant to employees within the transit system. It often includes specific safety measures and operational protocols, which would encompass the types of fire extinguishers available and procedures for their effective use.

The other options, while valuable in different contexts, would not typically focus specifically on fire extinguisher operation and types. The employee handbook generally covers broader company policies and benefits, the safety training manual is more focused on training methodologies rather than specific equipment usage, and monthly safety bulletins provide updates on safety protocols and incidents rather than detailed operational instructions.