CHST General 5

Question 1

A construction worker develops contact dermatitis after repeated exposure to portland cement. This is best classified as which type of hazard?

Accepted Answer

Chemical hazard

Answer

Portland cement contains chromium compounds and is alkaline; dermatitis from cement exposure is a chemical hazard.

Question 2

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

Accepted Answer

16

Answer

OSHA's HazCom 2012, aligned with the GHS, requires SDSs to have exactly 16 standardized sections.

Question 3

Which OSHA standard requires employers to develop and implement a written Respiratory Protection Program for construction workers using respirators?

Accepted Answer

29 CFR 1926.103

Answer

29 CFR 1926.103 is OSHA's construction industry respirator standard, which incorporates by reference the requirements of 1910.134 including the written program.

Question 4

A CHST investigating a near-miss incident involving a scissor lift tip-over should use which root cause analysis method to identify systemic factors?

Accepted Answer

5 Whys technique

Answer

The 5 Whys technique is an effective root cause analysis method that drills down through symptom layers to uncover systemic causes of incidents.

Question 5

Under OSHA 29 CFR 1926 Subpart CC, what is the minimum ground-to-power-line clearance distance required for a crane when the line voltage is between 50 kV and 200 kV?

Accepted Answer

15 feet

Answer

OSHA 1926.1408 Table A requires a 15-foot minimum clearance for voltages over 50 kV up to 200 kV during crane operations.

CHST - Construction Health and Safety Technician Practice Test

CHST - Construction Health and Safety Technician Practice Test

CHST General 5