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Hawaii Class 3 Learner's Permit Test Practice
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Which blood alcohol concentration reaches Hawaii’s measurable-alcohol threshold for a driver under 21?
Correct answer: 0.02%
Why
For the under-21 offense, a measurable blood alcohol concentration is at least 0.02% but below 0.08%. At 0.08% or more, the general numerical impaired-driving threshold applies. Impaired driving can also be unlawful below a numerical threshold. Do not drink and drive; the lower threshold is not a safe allowance.
Verified against Hawaii Driver's Manual · Alcohol and drivers under 21 · p. 56
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