Here at Savannah River, one tank has leaked and others are cracking.

If the tank has not leaked, experts say, the solutions are fairly obvious.

The tank must have been leaking badly, as we had a full load when we left.

If the moisture is colored, the tank is leaking.

Any drop in pressure is an indication that the tank is leaking.

The county estimates that up to 25 percent of the more than 30,000 residential underground tanks now in use are leaking or will be soon.

Questions of Compliance Witnesses said that the tank, which holds gas under pressure, was leaking as it fell.

Sixty-seven tanks have already leaked, and more will do so before their contents can be embedded in glass.

When filled with molasses, the tank leaked so badly that it was painted brown to hide the leaks.

About a third of these tanks have leaked waste into the soil and groundwater.