[i] U.S. EPA, List of Contaminants and Their MCLs, http://www.epa.gov/safewater/contaminants/index.html
[ii] Lake Superior Streams, Turbidity and TSS, http://www.lakesuperiorstreams.org/understanding/param_turbidity.html (last visited Aug. 4, 2010).
[iii] Lake Superior Streams, supra.
[iv] Lake Superior Streams, supra.
[v] Charles River Watershed Ass’n, CRWA Water Quality Monitoring Parameters, http://www.crwa.org/water_quality/monthly/parameters.html (last visited Aug. 9, 2010).
[vi] See U.S. EPA, National Recommended Water Quality Criteria, http://www.epa.gov/waterscience/criteria/wqctable/index.html#U (last visited July 30, 2010).
[vii] Standard Methods 2-8 (Eaton, Andrew D., et al. eds., 21st ed. 2005).