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Questions and Answers
Bodily injury due to slips and falls is considered a physical hazard from conditions involving:
Bodily injury due to slips and falls is considered a physical hazard from conditions involving:
When sufficient ventilation cannot be obtained without blocking the means of access, employees in the confined space should be protected by a:
When sufficient ventilation cannot be obtained without blocking the means of access, employees in the confined space should be protected by a:
Airline respirator
Adequate precautions must be taken to prevent employee exposure to atmospheres containing less than 19.5% oxygen.
Adequate precautions must be taken to prevent employee exposure to atmospheres containing less than 19.5% oxygen.
True
All employees required to enter a confined space should be instructed on:
All employees required to enter a confined space should be instructed on:
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A secondary irritant atmosphere is:
A secondary irritant atmosphere is:
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The following is classified as a confined space:
The following is classified as a confined space:
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This type of confined space is used for many purposes, including the storage of water and chemicals.
This type of confined space is used for many purposes, including the storage of water and chemicals.
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Entry and exit time can be a significant physical limitation:
Entry and exit time can be a significant physical limitation:
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When controls are used to reduce the level of atmospheric contaminants to acceptable levels, testing must be conducted:
When controls are used to reduce the level of atmospheric contaminants to acceptable levels, testing must be conducted:
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Hazards specific to a confined space can be categorized by:
Hazards specific to a confined space can be categorized by:
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Study Notes
Physical Hazards in Confined Spaces
- Bodily injury from slips and falls is linked to surface residues, emphasizing the need for safe surfaces in confined areas.
Respiratory Protection
- When sufficient ventilation is unavailable, employees must use airline respirators for protection in confined spaces.
Oxygen Levels
- A safe atmosphere must maintain at least 19.5% oxygen; precautions are required to prevent exposure to lower levels.
Employee Training Requirements
- All employees must understand the nature of hazards, necessary precautions, and the usage of protective and emergency equipment before entering confined spaces.
Secondary Irritant Atmospheres
- Defined as those that can cause toxic effects on the body, highlighting the importance of monitoring air quality.
Types of Confined Spaces
- Examples include sewers and storage tanks, which are identified as confined spaces requiring special precautions.
Function of Tanks
- Tanks are used for various purposes, particularly for storing water and chemicals, necessitating safety measures during entry.
Limitations of Entry and Exit
- Entry and exit time can pose significant physical limitations, impacting potential hazards within the confined space.
Atmosphere Testing Protocols
- Regular testing of atmospheric conditions is essential; it should be conducted as often as necessary to ensure safety.
Classification of Hazards
- Hazards in confined spaces can be categorized by material used, activities performed, and the external environment, ensuring comprehensive safety evaluations.
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