RF-9811 EC

In what type of environment is the Comfo Classic respirator prohibited based on oxygen levels?

• Environments where oxygen concentration is sufficient
• Environments where oxygen concentration is insufficient for life support ✓
• Environments where the TLV is measured
• Environments where cartridges are being replaced

Answer: The source states: 'Do not use in environments where oxygen concentration is insufficient for life support.'

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According to the use restrictions, when should the respirator NOT be used?

• If the respirator is damaged or does not fit properly ✓
• If the user is a respiratory protection equipment user
• If the facepiece has been disinfected
• If the technical manual is being followed

Answer: The source states: 'Do not use if the respirator is damaged or does not fit properly.'

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What action is required regarding the facepiece after each use?

• It must be replaced with a new component
• It must be inspected for TLV levels
• It must be cleaned and disinfected ✓
• It must be fit tested again

Answer: The source states: 'the necessity of cleaning and disinfecting the facepiece after use.'

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What must be performed to ensure the respirator fits the user correctly before use?

• Cleaning and disinfecting the facepiece
• Inspecting cartridges for damage
• Proper fit testing ✓
• Checking the oxygen concentration

Answer: The source states: 'It details the importance of proper fit testing' and 'Do not use if the respirator has not been fit tested.'

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Under what atmospheric condition is the use of the Comfo Classic respirator prohibited?

• In environments where oxygen concentration is sufficient
• In atmospheres that are IDLH (Immediately Dangerous to Life or Health) ✓
• In areas where the TLV (Threshold Limit Value) is exceeded
• In environments where the respirator has been fit tested

Answer: The source states: 'prohibition of use in IDLH (Immediately Dangerous to Life or Health) atmospheres.'

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When is it prohibited to use the respirator for protection against highly toxic contaminants?

• When the respirator has been cleaned and disinfected
• When the user is a safety professional
• If the cartridge/filter is not rated for them ✓
• If the oxygen concentration is at the TLV

Answer: The source states: 'Do not use for protection against highly toxic contaminants if the cartridge/filter is not rated for them.'

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What must be inspected to check for damage according to the manual?

• The oxygen concentration levels
• The manufacturer's instructions
• The cartridges and filters ✓
• The fit test results

Answer: The source states: 'instructions for inspecting cartridges and filters for damage.'

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