Describe the most common types of airborne contaminants. List and describe the types of effects of airborne toxics on the body.

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Unit VI questions (3)
1) Describe the most common types of airborne contaminants. List and describe the types of effects of airborne toxics on the body.
2) Briefly explain the following concepts related to exposure thresholds: time-weighted average, short-term exposure limit, exposure ceiling, and biological exposure indices.
3) Summarize the similarities and differences between confined spaces and permit-required confined spaces, and give at least three examples of each. Summarize the duties of personnel involved in the performance of a permit-required confined-space entry.
Each questions shall be 200 words in length. This does not have to be in a paper format. Each question is seperate and requires a seperate answer.
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