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18. An Atmosphere Is Considered Oxygen Deficient and IDLH When Oxygen Levels Fall Below __ Percent. (485) 15.6 19.5 20.9 23.5

Question

18. An atmosphere is considered oxygen deficient and IDLH when oxygen levels fall below __ percent. (485) 15.6 19.5 20.9 23.5

Solution

Verificación de expertos
4.6 (237 Votos)
Valentina Maria Elite · Tutor por 8 anos

Resposta

The correct answer is 19.5.

Explicação

## Step 1The problem is asking for the oxygen level at which an atmosphere is considered oxygen deficient and Immediately Dangerous to Life or Health (IDLH). The options provided are 15.6, 19.5, 20.9, and 23.5.## Step 2The term "IDLH" is used to describe conditions that pose an immediate threat to life, cause irreversible adverse health effects, or hinder the ability to escape from a dangerous environment.## Step 3According to the Occupational Safety and Health Administration (OSHA), an atmosphere is considered oxygen deficient and IDLH when oxygen levels fall below 19.5 percent.