Subtle New Pollutants Endanger Health
IT was only 106 years ago that experimenting British authorities closed down the common water pump in a busy London square and saw the bustling city's cholera rate drop dramatically. From that experience came a valuable lesson in public health: disease can be transmitted by polluted water. In the years since, along with his progress in sanitation and health, man has picked up new ways of polluting his environment. The new, more subtle contaminants bear such exotic names as alkyl benzene solfonate and acrolein, and they differ in...
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