Question

breath sample absorbance is checked at​

Answer 1

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Generally, one green band means your BAC is under 0.05%, which is within the legal limit to drive. Two green bands indicate that your BAC is between 0.05% and 0.10%, and three bands means it's over 0.10%.

Answer 2

All breath alcohol testers used by law enforcement in the United States of America must be approved by the Department of Transportation's National Highway Traffic Safety Administration.[20]

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