Does legal mean safe?

In a guest blog in the Water Efficiency Magazine Dr. Edo McGowan, who has forty years of experience in the development of local, regional, and international programs relating to health aspects of water quality, vector control, as well as, the analyses and disposal of hazardous materials, discusses the legality  of water compared to its safety, since there could be many new contaminants existing that may not be found in laboratory tests.

To read and comment on the article click the following Legal vs. Safe Water