1. Anitha, P., Charmaine, J. and Nagaraja, S. (2011) Evaluation of groundwater quality in and around Peenya industrial area of Bangalore, South India using GIS techniques. Environ Monit Assess. doi: 10.1007/s10661-011-2244-y.
2. APHA (1995) Standard method for the examination of water and waste water (14th Ed.) Washington D.C. Amer. Public Health Association, no.409A, pp.316-317.
3. Arumugam, K. (2010) Assessment of Groundwater Quality in Tirupur Region, PhD Thesis (Unpublished). Anna University, Chennai.
4. BIS (Bureau of Indian Standard) (2012) 10500, Indian standard drinking water specification, Second revision, pp.1-24.
5. Brown, R.M., McCleiland, N.J., Deininger, R.A. and O’Connor, M.F. (1972) A water quality index–Crossing the Psychological barrier In: Jenkis, S.H. (Ed.). Proc. Int. Conf. Water Pollution Res., Jerusalem, v.6, pp.787–797.