1.   Although we tend to think of industrial effluent, sewage is a more important source of pollution.

2.   And in London, they dumped barrels of industrial effluent at the Environment Department.

3.   Or would he perhaps look upon a clear mountain stream and complain about the absence of raw sewage or Industrial effluents?

4.   The Quebec of reeking pulp mills, metal smelters, soot-smudged Roman Catholic church steeples, and industrial effluent staining the streams.

5.   There are more grounds for concern from industrial effluent.

6.   This is first time EPA has used the program to help shape urban development, rather than to curb industrial effluent.