Substance Abuse at Work
Alcohol and drug impairment, safety-critical work, fair policy, signs, reporting, testing boundaries, support and confidentiality.
How to prepare for CN1
Learn the principle, locate scenario evidence, explain why it matters, choose proportionate controls and show how actions will be prioritised and reviewed.
Core concepts
Concept 1
Alcohol and drug impairment, safety-critical work, fair policy, signs, reporting, testing boundaries, support and confidentiality.
Exam cue: Name the specific construction evidence before applying the principle or control.
Concept 2
Use a clear, consistently applied policy that protects safety while providing proportionate support and respecting confidentiality.
Exam cue: Prefer prevention and collective protection before procedural or personal controls.
Concept 3
Do not diagnose from one sign or rely solely on testing; consider fatigue, medication, illness and other explanations.
Risk pitfalls and guardrails
Giving a generic hazard or control list without connecting it to people, task and site conditions.
Guardrail: Do not give a generic control list without linking it to the task, people, site conditions and verification method.
Treating a document, inspection or item of PPE as proof that the underlying risk is controlled.
Guardrail: Do not give a generic control list without linking it to the task, people, site conditions and verification method.
Memory anchors
CN1 13.6 · Substance Abuse at Work
Alcohol and drug impairment, safety-critical work, fair policy, signs, reporting, testing boundaries, support and confidentiality.
Substance Abuse at Work · decision cue
Use a clear, consistently applied policy that protects safety while providing proportionate support and respecting confidentiality.
Substance Abuse at Work · evidence check
Do not diagnose from one sign or rely solely on testing; consider fatigue, medication, illness and other explanations.
Checkpoint rule
Do the check-up only after you can summarize each concept in one sentence and identify one dangerous pitfall from memory.
Knowledge Check (after reading)
Short check-up to confirm understanding of this module.
Check-up Questions
Next step personalized recommendations
Continue learning
Move forward only after this module is stable.
What is Pass Harbor?
Completely free exam prep for 247 UK exams.
- Practice questions
- Flashcards
- Study guides
- Mock exams
- No registration
- No paywall
- Start instantly
“No more expensive exam prep. Quality study tools should be accessible to everyone.”
