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Confined Space Quiz

Can you answer these questions?

Question
8
Q
Atmospheres that contain a flammable component above what percent of its Lower Explosive Limit (LEL) are considered hazardous for confined space entry?
  • (A)  10 percent
  • (B)  7.5 percent
  • (C)  5 percent
  • (D)  2.5 percent
Give me a hint
Hint:
"Five will get you ___”
A
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