College of Agriculture and Life Sciences, the University of Arizona   Reverse Osmosis Units
Summary:

Reverse osmosis (RO) is an excellent way to remove certain unwanted contaminants, such as lead and nitrates, from your drinking water. This article discusses how reverse osmosis works, and both the advantages and disadvantages of the system.

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Authors:		  
Elaine Hassinger and Thomas A. Doerge and Paul B. Baker
Date: February 1994