[i] U.S. EPA, National Recommended Water Quality Criteria, http://www.epa.gov/waterscience/criteria/wqctable/index.html#U (last visited July 7, 2010).
[ii] See National Science & Tech. Council, An Assessment of Coastal Hypoxia and Eutrophication in U.S. Waters, 2 (2003) available at http://oceanservice.noaa.gov/outreach/pdfs/coastalhypoxia.pdf.
[iii] Ambient Aquatic Life Water Quality Criteria for Dissolved Oxygen (Saltwater): Cape Cod to Cape Hatteras, 65 Fed. Reg. 71317, 71318 (Nov. 30, 2000).
[iv] Ecological Society of America, Hypoxia http://www.esa.org/education_diversity/pdfDocs/hypoxia.pdf (last visited Aug. 11, 2010).
[v] Ecological Society of America, supra.
[vi] Standard Methods, 5-14(Andrew Eaton, et al. eds., 21st ed. 2005).