7Antidegradation Implementation:Federal Framework and Indiana Process. Mar 7,2008 [EB/OL]. http ..//www.in.gov/idem/files/antideg_overview.ppt.
8Kansas Antidegradation Policy. Kansas Department of Health and Environment, Bureau of Water[EB/OL]. Aug 6,2001. http://www wakdheks.gov/water/download/OS_2001 antideg_pol - icy.pdf.
10Withdrawal of Federal Antidegradation Policy for All Waters of the United States Within the Commonwealth of Pennsylvania.Vol. 73, No. 179, U S EPA, Sep 2008. Proposed Rules : 53178-53179 [EB/OL]. http ://www.epa.gov/EPA - WATER/2008/September/Day-15/w21463.htm.