The combination of squamous cell carcinoma antigen (SCCA) and CYFRA 21-1 test results can be used to provide reliable laboratory data for the differential diagnosis of which disease?

The entity that identifies affected facilities and their transportation routes, describes emergency notification and response procedures, designates community and facility emergency coordinators, and outlines evacuation plans best describes?

a. LEPC b. SERC c. EPA d. OSHAPage 15

Which of the following statements regarding internal smoke detection devices is MOST accurate?

A. They may be a substitute for area smoke detection devices. B. They turn on the system automatically when smoke is detected. C. They ensure the system recirculates smoke from a fire outside the unit. D. They prevent the system from spreading smoke from a fire inside the unit.