Confined Space Manual

Question 0

Any atmosphere containing less than _________% oxygen by volume is considered oxygen deficient and any atmosphere containing ________% oxygen is considered oxygen enriched.

Answer 0

19.5, 23.5

Question 1

A 1% drop in oxygen may indicate an increase if _________ ppm of another substance.

Answer 1

10,000

Question 2

A hot zone shall be established ________ feet in diameter.

Answer 2

150

Question 3

All non- TROT apparatus shall be positioned where?

Answer 3

Outside the hot zone

Question 4

Communications with the victim shall only be done without _____________.

Answer 4

Entering the space

Question 5

What are the two categorizes of confined space hazards?

Answer 5

Atmospheric, Physical/Mechanical

Question 6

OSHA regulation states that flammable/combustible atmosphere is present when flammable gas, vapor or most is present in excess of _______% of the LEL.

Answer 6

10

Question 7

At what point can a first response enter a confined space?

Answer 7

Never

Question 8

All personnel approaching the entrance to a confined space to make contact with the victim shall do what?

Answer 8

Wear full PPE including SCBA

Question 9

Access shall be maintained I allow what type of apparatus to the scene?

Answer 9

TROT apparatus