Evaluation on the Quality of Bangkok Tap Water with Other Drinking Purpose Water A. Kordach, C. Chardwattananon, K. Wongin, B. Chayaput and N. Wongpat E3S Web Conf., 30 (2018) 01011 Published online: 06 February 2018 DOI: 10.1051/e3sconf/20183001011