CSC CSC Workplace Drug Testing Programs 1 — Questions and Answers
Question 1: Under DOT regulations, which of the following industries is subject to mandatory workplace drug testing?
- Retail grocery stores
- Commercial motor vehicle operators (Correct answer)
- Office administrative workers
- Hotel housekeeping staff
Correct answer: Commercial motor vehicle operators
DOT mandates drug testing for safety-sensitive transportation workers including commercial motor vehicle operators under 49 CFR Part 382.
Question 2: What is the role of a Medical Review Officer (MRO) in a workplace drug testing program?
- Collect specimens from donors
- Review laboratory results and evaluate medical explanations for positive results (Correct answer)
- Enforce disciplinary actions on employees
- Conduct random selection of employees for testing
Correct answer: Review laboratory results and evaluate medical explanations for positive results
An MRO is a licensed physician who reviews and verifies laboratory drug test results, especially evaluating legitimate medical explanations for positive findings.
Question 3: What is the definition of a 'safety-sensitive' position under DOT regulations?
- Any position that involves handling money
- A position in which impairment could directly cause a transportation accident or endanger public safety (Correct answer)
- Any job requiring a college degree
- Supervisory positions only
Correct answer: A position in which impairment could directly cause a transportation accident or endanger public safety
Safety-sensitive positions are those where an employee's impairment could directly result in transportation accidents, such as operating vehicles or aircraft.
Question 4: Under DOT rules, post-accident drug testing is required after a fatality. Testing is also required when an injury occurs and:
- The employee requests it
- The injured person requires immediate medical treatment away from the scene (Correct answer)
- Any property is damaged
- A police report is filed
Correct answer: The injured person requires immediate medical treatment away from the scene
DOT requires post-accident testing when a fatality occurs or when an injury results in immediate medical treatment away from the scene.
Question 5: What is 'reasonable suspicion testing' in a workplace drug testing program?
- Random testing conducted quarterly
- Testing triggered by a supervisor's documented observation of signs of impairment (Correct answer)
- Testing required after every workplace injury
- Annual testing of all employees
Correct answer: Testing triggered by a supervisor's documented observation of signs of impairment
Reasonable suspicion testing is initiated when a trained supervisor directly observes and documents specific signs of drug or alcohol impairment in an employee.
Question 6: Under DOT FMCSA regulations for commercial trucking, what minimum percentage of employees must be randomly tested for drugs each year?
- 10%
- 25%
- 50% (Correct answer)
- 75%
Correct answer: 50%
FMCSA requires that at least 50% of safety-sensitive employees be randomly tested for drugs each calendar year.
CSC CSC Workplace Drug Testing Programs 1
Under DOT regulations, which of the following industries is subject to mandatory workplace drug testing?