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Alberta Class 7 Practice Test
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Passing target: 83.3% (25/30)
Impaired DrivingStandalone practice
For a fully licensed non-commercial driver, what is the lower blood-alcohol threshold used for Alberta's IRS: WARN alcohol measure?
Correct answer: 50 mg in 100 mL of blood
Why
The lower WARN alcohol threshold is 50 mg per 100 mL of blood. The current public guidance describes the WARN range as 0.05–0.079;80 mg or more and other impairment grounds can lead to FAIL consequences.
Verified against Driver's Guide - Cars and Light Trucks · Driving within the Law · p. 114
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