Field test kits are portable, easy operated devices used to test various parameters of water quality on-site. FTKs are used mainly by the grass-root level workers to go door to door & test water quality samples in the rural communities alongside strengthening to Water Quality Awareness. The following parameters are tested using the FTK: Iron Fluoride (in selected fluoride zones) Chloride (in selected chloride zones) Bacteriological contamination Free residual chlorine (in piped sources only)