CHST CHST - Construction Health and Safety Technician Hazardous Materials and Chemical Safety Questions and Answers

Question 1

Under OSHA's Hazard Communication Standard (HazCom 2012), how many sections are required in a Safety Data Sheet (SDS)?

Accepted Answer

16 sections

Answer

8 sections

Answer

12 sections

Answer

20 sections

Question 2

Which GHS pictogram indicates an acute toxicity hazard?

Accepted Answer

Skull and crossbones

Answer

Flame symbol

Answer

Exclamation mark

Answer

Health hazard (silhouette with asterisk)

Question 3

Under OSHA HazCom, what is a 'Secondary Container' label requirement when transferring chemicals to smaller containers?

Accepted Answer

No label is needed if the worker uses the container during the same shift

Answer

The secondary container needs the full SDS attached

Answer

It must be labeled with product identifier and hazard information

Answer

Only the chemical name is required on the secondary container

Question 4

What is the permissible exposure limit (PEL) for airborne silica (respirable crystalline) as an 8-hour TWA under OSHA's silica standard for construction?

Accepted Answer

50 µg/m³

Answer

250 µg/m³

Answer

100 µg/m³

Answer

25 µg/m³

Question 5

Which OSHA standard governs the handling and disposal of lead on construction sites?

Accepted Answer

29 CFR 1926.62

Answer

29 CFR 1910.1025

Answer

29 CFR 1926.1101

Answer

29 CFR 1910.1200

Question 6

What is the action level for lead exposure in construction that triggers medical surveillance requirements?

Accepted Answer

30 µg/m³ as an 8-hr TWA

Answer

10 µg/m³ as an 8-hr TWA

Answer

50 µg/m³ as an 8-hr TWA

Answer

100 µg/m³ as an 8-hr TWA