1. Toxicological Profile for Selenium;Agency for Toxic Substances and Disease Registry,2003
2. Chapter 335-6-10. Water Quality Criteria;Alabama Department of Environmental Management,2017
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4. Standard methods for the examination of water, sewage, and industrial wastes;American Public Health Association,1955
5. Method 993.14. Trace Elements in Waters and Wastewaters;AOAC International,1993