CHST CONSTRUCTION HEALTH AND
SAFETY TECHNICIAN EXAM CLOSING
SCRIPT UPDATED QUESTIONS AND
ANSWERS VIEW AHEAD PREP MATERIAL
SOLVED
⩥ How do you calculate the incidence rate?
Answer: Incidence Rate = (Number of recordable accidents / Total man-
hours) x 1,000,000. For 40 accidents and 1,500,000 man-hours, the
incidence rate is 26.67.
⩥ What is Job Safety Analysis?
Answer: A procedure used to make a job safe by identifying hazards in
each step of the job and developing measures to counteract those
hazards.
⩥ What is the ANSI standard for construction hard hats?
Answer: ANSI Z89.1.
⩥ What is the evaluation of tasks involving steps, hazards, and solutions
called?
Answer: Job Safety Analysis (JSA).
, ⩥ What is the expected loss over 12 years if a job site operation results
in a $90,000 loss every three years?
Answer: $360,000.
⩥ What defines a 'Highly Toxic' chemical according to OSHA?
Answer: A chemical that has a median lethal dose (LD50) of 50
milligrams or less per kilogram of body weight when administered
orally to albino rats.
⩥ How long must medical records be retained under OSHA provisions?
Answer: Duration of employment plus 30 years.
⩥ Which precaution is least effective against occupational dermatoses?
Answer: Frequent washing of the face and hands with an organic solvent
followed by soap and water.
⩥ What is the preferred control method for preventing hazardous noise
exposure?
Answer: Engineer a less hazardous environment.
⩥ What is dilution ventilation used for?
Answer: To control low toxicity vapors.
SAFETY TECHNICIAN EXAM CLOSING
SCRIPT UPDATED QUESTIONS AND
ANSWERS VIEW AHEAD PREP MATERIAL
SOLVED
⩥ How do you calculate the incidence rate?
Answer: Incidence Rate = (Number of recordable accidents / Total man-
hours) x 1,000,000. For 40 accidents and 1,500,000 man-hours, the
incidence rate is 26.67.
⩥ What is Job Safety Analysis?
Answer: A procedure used to make a job safe by identifying hazards in
each step of the job and developing measures to counteract those
hazards.
⩥ What is the ANSI standard for construction hard hats?
Answer: ANSI Z89.1.
⩥ What is the evaluation of tasks involving steps, hazards, and solutions
called?
Answer: Job Safety Analysis (JSA).
, ⩥ What is the expected loss over 12 years if a job site operation results
in a $90,000 loss every three years?
Answer: $360,000.
⩥ What defines a 'Highly Toxic' chemical according to OSHA?
Answer: A chemical that has a median lethal dose (LD50) of 50
milligrams or less per kilogram of body weight when administered
orally to albino rats.
⩥ How long must medical records be retained under OSHA provisions?
Answer: Duration of employment plus 30 years.
⩥ Which precaution is least effective against occupational dermatoses?
Answer: Frequent washing of the face and hands with an organic solvent
followed by soap and water.
⩥ What is the preferred control method for preventing hazardous noise
exposure?
Answer: Engineer a less hazardous environment.
⩥ What is dilution ventilation used for?
Answer: To control low toxicity vapors.
