1. 1. “Environmental Quality Standards for Water Pollution”, Ministry of the Environment Government of Japan, https://www.env.go.jp/en/water/index.html, accessed 21 May, 2020.
2. 2. “National Recommended Water Quality Criteria—Human Health Criteria Table”, United States Environmental Protection Agency, https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table, accessed 21 May, 2020.
3. 3. “National Recommended Water Quality Criteria—Aquatic Life Criteria Table”, United States Environmental Protection Agency, https://www.epa.gov/wqc/national-recommended-water-quality-criteria-aquatic-life-criteria-table, accessed 21 May, 2020.
4. 4. H. Hou, T. Takamatsu, M. K. Koshikawa, and M. Hosomi, Atmos. Environ., 2005, 39, 3583.
5. 5. S.-R. Lim, D. Kang, O. A. Ogunseitan, and J. M. Schoenung, Environ. Sci. Technol., 2013, 47, 1040.