1.   Even before the hurricane there had been flooding and ruptures of the waste pits that contaminated rivers and killed millions of fish.

2.   Or they react with shock at the mine waste that contaminated the river.

3.   The rivers are being contaminated.

4.   He said it was for the DOE to determine whether the river was contaminated rather than the treatment plant.

5.   The officials said the Far East river was contaminated by phenols, or carbolic acid, as a result of the discharge of industrial waste into a tributary.

6.   There have been no known attempts to contaminate the river, which is also a source of drinking water for Frederick, Maryland.

7.   Two sewage leaks into a Moscow River tributary have contaminated the river with cholera bacteria, health officials said Monday.