http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
This operator's guide focuses on the different methods employed to add fluoride to a community's water supply. How to add fluoride in a controlled manner, where to add it, how to monitor fluoride levels, what problems to watch for, and how to remedy these problems are included in this guide.