Alcohol and Substance
No driver who uses or test positive for alcohol or drugs shall be allowed
to be in a safety sensitive position (including, driving, loading, etc. of any commercial vehicle, and also any heavy machinery
). Any driver alleged to have used drugs or alcohol may continue to drive only after proving clear and convincing proof to
the Medical Review Officer that the drug (if any ) was prescribed by a licensed physician, and/or proof that their blood alcohol
concentration does not exceed the maximum allowable limit of 0.04 or greater (ref. 49 CFR 382.201).
Prohibitions: A driver may
not report to duty if :
They are under the influence of alcohol or have a blood alcohol concentration of 0.04 or
are under the influence of drugs, have tested positive, for any controlled substance, or under any prescribed drug which may
adversely affect their ability to safety operate a vehicle or other machinery, or other safety sensitive position.