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Exam 16: Industrial Hygiene and Confined Spaces

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Question 1

True/False

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The OSHA standard for nanoscale materials is 29 CFR 1910.113.

A) True
B) False

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Question 2

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Threshold limit values refer to airborne concentrations of substances and represent conditions under which it is believed that nearly all workers may be repeatedly exposed day after day without adverse effect. Which of the following is not a way of expressing TLV's?

A) Flash point
B) Time-weighted average
C) Ceiling
D) Short-term exposure

E) B) and D)
F) None of the above

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Question 3

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A toxic substance is one that has a negative effect on the health of a person or animal.

A sick building is one that makes people sick when it becomes infested with mold, mildew, spores, and other airborne micro-organisms.

Asphyxiants are substances involving a sudden dose of highly concentrated substance.

Many chemical and toxic substances used in modern industry are flammable or combustible.

Which of the following is associated with chronic effects/exposures of toxic substances?

A particle smaller than about 2.5 micrometers and larger than about 0.1 micrometers is called:

Examples of confined spaces include:

Before an entry permit is issued, a safety/health professional, should

A key element of the Clean Air Act is its requirement that companies use the maximum achievable control technology.

Confined spaces are hazardous because of the potential to trap toxic and/or explosive vapors and gases.

Chronic effects of toxic substances involve a sudden dose of highly concentrated substance.

Employees need not be warned of chemical hazards by labels on containers or safety data sheets (SDS).

Every workplace environment employs industrial hygiene specialists.

A confined space is any area with limited means of entry and exit that is large enough for a person to fit into but is not designed for occupancy.

Toxic effects are a function of several factors except: