Results: The results of the survey showed that a wide range of fluoride concentrations exist in Indiana's groundwater and that wide variation of fluoride concentrations can occur within an indivdual county. Although there are many areas in Indiana where naturally occurring optimal fluoride exists, ...
Total nitrogen and total organic carbon analyses were provided by George Heufelder and Gongmin Lei, Barnstable County Department of Health and Environment. We thank the participating well owners; Sarah Dunagan for GIS land use analysis; Yongtao Li and Jessie Varab of Eurofins Eaton Analytical; ...