1.   Beluga populations are also in many places suspected to be at dangerous levels after years of overexploitation.

2.   If something goes awry, more than five billion people would be exposed to dangerous levels of radiation.

3.   We tested the pond water and discovered dangerous levels of nitrite.

4.   FOOTBALL is reaching dangerous levels of decline.

5.   Amid all this, tension rises to a dangerous level.

6.   Are there dangerous levels of asbestos in the air, in the ground, in the waters of the Kootenai River?

7.   As children approach puberty, phototherapy becomes less effective and bilirubin starts rising to dangerous levels.

8.   As a member of the Star Trek crew might say, life support systems are at a dangerous level, Captain.

9.   Bacteria multiply rapidly at room temperature and in the hours it takes for a turkey to thaw, the surface bacteria could multiply to dangerous levels.

10.   Automatic sensors would trigger the gas extraction system and ensure gas pressure would never rise to dangerous levels.