Emergency Response & Incident Investigation Flashcards
7 cards from real CSS practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Emergency Response & Incident Investigation flashcards as text
When a worker suffers a work-related fatality, within how many hours must the employer notify OSHA?
Answer: 8 hours
OSHA requires employers to report work-related fatalities to OSHA within 8 hours of learning about the death.
Which type of fire extinguisher is appropriate for a Class C (energized electrical equipment) fire?
Answer: CO2 or dry chemical extinguisher rated for Class C
Class C fires involve energized electrical equipment; CO2 and dry chemical extinguishers are non-conductive and safe for Class C use.
What is the primary goal of the 'management of change' (MOC) process in preventing emergency incidents?
Answer: To evaluate and control hazards introduced by changes to processes, equipment, or procedures
MOC ensures that any change — technical, procedural, or organizational — is reviewed for new or increased hazards before implementation.
Which investigation approach uses a diagram shaped like a fish skeleton with the problem at the head and contributing causes on the branches?
Answer: Cause-and-Effect (Fishbone/Ishikawa) diagram
The Fishbone (Ishikawa) diagram organizes potential causes into categories (people, methods, materials, environment, equipment) branching from a central problem.
A safety supervisor discovers that incident reports are being filtered before reaching senior management. Which investigation principle is being violated?
Answer: Transparency and upward reporting
Effective incident investigation requires transparent upward reporting so leadership can make informed decisions and implement systemic improvements.
In ICS, the term 'unified command' is used when:
Answer: Multiple agencies with different jurisdictions or responsibilities share incident command
Unified Command allows multiple agencies with jurisdictional or functional responsibility to manage an incident jointly without losing agency authority.
Which factor most commonly contributes to emergency response failures according to incident post-mortems?
Answer: Poor communications and unclear command structure
Post-incident analyses consistently identify communication breakdowns and unclear command structure as primary contributors to emergency response failures.