STSC Hazard Communication (HazCom) and Chemical Safety 5

Question 1

Under OSHA 29 CFR 1926.59, when must employees receive HazCom training?

Accepted Answer

At the time of initial assignment and whenever a new hazard is introduced

Answer

HazCom training is required before initial assignment to a work area with hazardous chemicals and whenever new chemical hazards are introduced.

Question 2

A construction crew begins using a new concrete admixture on site. The SDS lists an OSHA Permissible Exposure Limit (PEL) for one of its components. What does the PEL represent?

Accepted Answer

The legal maximum airborne concentration allowed during an 8-hour workday

Answer

A PEL is OSHA's legally enforceable airborne concentration limit averaged over an 8-hour work shift to protect worker health.

Question 3

Which section of the SDS provides first-aid instructions if a worker splashes a chemical in their eyes?

Accepted Answer

Section 4 – First-Aid Measures

Answer

Section 4 of the SDS details first-aid measures for each exposure route, including eye contact, ingestion, and inhalation.

Question 4

A hazardous chemical has the GHS signal word 'Warning' on its label. What does this indicate compared to a chemical labeled 'Danger'?

Accepted Answer

Warning indicates a less severe hazard than Danger

Answer

'Warning' signals a less severe hazard category, while 'Danger' is reserved for the most severe hazard categories within a class.

Question 5

On a construction site, a worker needs to transfer a hazardous chemical into a smaller portable container for immediate use. Under HazCom, is a label required on the portable container?

Accepted Answer

No, if the worker who filled it will use it exclusively during that shift

Answer

OSHA allows an exemption from labeling for portable containers filled by workers for their own immediate use during the same shift.

(STSC) Safety Trained Supervisor Construction Practice Test

(STSC) Safety Trained Supervisor Construction Practice Test

STSC Hazard Communication (HazCom) and Chemical Safety 5