I had often found concentrations of blues at that spot.

Nor is he able to find dangerous concentrations in water samples.

The concentration of salt in her blood was found to be lethally low.

They also found high concentrations in pomegranate oil and juice.

We also found lower concentrations in smokers although this did not reach significance.

The greatest concentration of animals was found in waters that were about 50 to 68 degrees.

The concentration of urea in their sweat was found to be high.

However, high concentrations of individuals, especially juveniles, can be found at particular locations.

Relatively high concentrations of manganese were found on the walls.

Of these, by far the greatest concentration (169) was found in Aberdeenshire.