Safety Trained Supervisor Basic Industrial Hygiene 2

Question 1

What are the four main routes of entry for hazardous substances?

Accepted Answer

Inhalation, ingestion, absorption, and injection

Answer

Inhalation, ingestion, contact, and radiation

Answer

Breathing, swallowing, touching, and smelling

Answer

Airborne, waterborne, foodborne, and bloodborne

Question 2

What is the difference between TLV and PEL?

Accepted Answer

TLVs are ACGIH recommended guidelines while PELs are legally enforceable OSHA limits

Answer

TLVs are legally enforceable while PELs are advisory

Answer

No practical difference

Answer

TLVs for chemicals only while PELs for physical agents

Question 3

What type of industrial hygiene hazard is whole-body vibration?

Accepted Answer

Physical hazard

Answer

Chemical hazard

Answer

Biological hazard

Answer

Ergonomic hazard

Question 4

What is the purpose of biological monitoring in industrial hygiene?

Accepted Answer

Measuring the actual dose absorbed by a worker through blood, urine, or exhaled air analysis

Answer

Testing for infectious diseases

Answer

Monitoring mold and bacteria growth

Answer

Tracking attendance and sick days

Question 5

What does IDLH stand for and why is it significant?

Accepted Answer

Immediately Dangerous to Life or Health requiring evacuation and specialized respiratory protection

Answer

Immediate Danger to Life or Health

Answer

Industrial Determination of Lethal Hazards

Answer

Integrated Data on Lifetime Health

Question 6

Which sampling method best determines personal exposure over a full shift?

Accepted Answer

Personal sampling with pump and collection media in the breathing zone

Answer

Grab sampling at random times

Answer

Area sampling near the process

Answer

Direct-reading instrument at the workstation