m49.    Is there legislation regarding water pollution?

The Safe Drinking Water Act of 1974 sets maximum contaminant levels for any pollutants that may have adverse effects on human health. These include 700 potential pollutants; of these, 97 cause cancers, 82 cause mutations, 28 are toxic, and 23 promote tumors in test animals.

e02.   Where is life found in the water?

e07.    What is the Wild and Scenic River System?

e18.    Does water recover from pollution?

e19.    What materials can cause water pollution?

e20.    What are environmental hazards and risks?

g08.    What are the spheres that make up the earth?