Discrete sedimentation events are predicted each time the concentration exceeds the critical value.

In products intended for prolonged use, concentrations should not exceed 1%.

For a 15-minute exposure, the concentration in the atmosphere should not exceed 0.4 mg/m.

The concentration exceeds the record by more than three times.

You need great concentrations of carbon monoxide to exceed health standards.

However, this is highly unlikely as proteins are capable of being activated only when concentrations exceed a certain amount.

Cold karsk will not ignite until the concentration exceeds 60-70%.

In these 'mixing zones', concentrations of pollutants could exceed the limits set.

While it is used as a main energy source, its concentration in the growth medium should not exceed 2%.

The Lawther report said that the annual average concentration in air should not exceed 2 g/cu.m.