Certified Safety Professional Exam Industrial Hygiene and Exposure Assessment 3

Question 1

What does the term 'action level' mean in OSHA health standards?

Accepted Answer

Half the PEL, triggering certain compliance obligations like monitoring

Answer

The concentration at which immediate evacuation is required

Answer

Twice the TLV-TWA requiring PPE

Answer

The IDLH concentration

Question 2

Which chemical exposure route is most commonly associated with systemic toxicity from skin absorption of organic solvents?

Accepted Answer

Dermal absorption

Answer

Inhalation

Answer

Ingestion

Answer

Injection

Question 3

What is IDLH as defined by NIOSH in industrial hygiene?

Accepted Answer

Immediately Dangerous to Life or Health — the maximum concentration from which one could escape without irreversible harm

Answer

The immediately detectable level of a hazardous substance

Answer

The initial dose limit for hazardous chemicals

Answer

The industry-defined limit for hazardous exposure

Question 4

Which NIOSH method is the standard for evaluating heat stress in the workplace?

Accepted Answer

Wet Bulb Globe Temperature (WBGT)

Answer

Apparent Temperature Index

Answer

Heat Stress Index (HSI)

Answer

Core Body Temperature method

Question 5

Under the OSHA Hazard Communication Standard (HazCom 2012), what is the required number of sections in a Safety Data Sheet (SDS)?

Accepted Answer

16

Answer

8

Answer

12

Answer

24

Question 6

What is the primary difference between a TLV-TWA and a TLV-Ceiling (TLV-C)?

Accepted Answer

TLV-TWA is an average over an 8-hour shift; TLV-C must never be exceeded at any time

Answer

TLV-TWA is for carcinogens only; TLV-C is for irritants

Answer

TLV-TWA applies to solids; TLV-C applies to gases

Answer

TLV-C is set at twice the TLV-TWA value