C-72.1, r. 4 - Rules respecting Standardbred horse races held at a professional race track

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297. A racing official or a driver is deemed to be under the influence of alcohol where the results of the test on the breath sample that he has provided show that he has drunk alcohol in a quantity that raises the concentration in his blood to more than 30 mg per 100 ml of blood.
A trainer or a groom is deemed to be under the influence of alcohol where the results of the test on the breath sample that he has provided show that he has drunk alcohol in a quantity that raises the concentration in his blood to more than 50 mg per 100 ml of blood.
Decision 90-09-19, s. 297.