A. Division 2
B. Division 1
C. Zone 1
D. Zone 2
A. Engineer
B. Regulatory agency
C. Operator
D. Contractor
A. Mixing with air
B. Vapor density
C. Vapor pressure
D. Boiling point
A. An individual responsible for environmental monitoring
B. An individual qualified to monitor construction activities
C. A representative of the regulatory agency
D. Anyone involved in construction activities
A. Control piping
B. Valves
C. Breakout tanks
D. Line pipe
A. Notifying the proper authorities and obtaining permits
B. Minimizing the use of personal protective equipment
C. Skipping hazard assessments for efficiency
D. Conducting the test at night to minimize risk
A. Combustion temperature of gases
B. Natural gas composition
C. Suitable electrical equipment for classified locations
D. Vapor pressure of liquids