However, many of these substances may bioaccumulate in the human body, thus reaching dangerous concentrations.

His profile was very much that of the hunting hawk, all dangerous, steely concentration.

That is already a dangerous concentration of press ownership for any free society.

The staff members hired another testing concern, which detected dangerous concentrations of asbestos in the building.

Powerful fans and open windows kept the air moving, to reduce the likelihood that dangerous concentrations of viral particles might build up.

You note that this, among other factors, has led to a "dangerous concentration of power."

Are there equally effective reforms that avoid dangerous concentrations of power?

- Community drinking water with dangerous concentrations of benzene and other pollutants.

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

I came to realize that we had simply hyper-jumped right over the most dangerous concentration of planets.