Enclosed Space Entry

Question 1

What do we test for in an enclosed space atmosphere?

Answer 1

Oxygen level
Hydrogen sulfide
Carbon monoxide
Hydrocarbons

Question 2

Safe oxygen levels for enclosed space entry

Answer 2

20.8% is normal
20% is minimum
>20% = too high. Investigate and bring back to 20.8%

Question 3

Maximum level of other gasses besides oxygen for enclosed space entry

Answer 3

<1% of LEL

Question 4

Dangers of an enclosed space

Answer 4

Low oxygen level
High oxygen level
Hydrogen sulfide 
Carbon monoxide
Hydrocarbons 
Flooding
Trips/falls
Low clearance 
Getting lost

Question 5

How often are enclosed space drills required?

Answer 5

Every 2 months minimum

Question 6

Definition of an enclosed space

Answer 6

Limited openings for entry and exit
Has inadequate ventilation
Is not designed for continuous worker occupation

Question 7

Definition of a dangerous enclosed space

Answer 7

Any enclosed or confined space in which it is foreseeable that the atmosphere may at some point contain toxic or flammable gasses or vapors or be deficient in oxygen to the extent that it may endanger the life or health of any person entering the space.