705 



objectionable sludge deposits, or that will adversely affect aquatic 

 life or waterfowl ; 



(b) Free from floating debris, oil, scum and other floating mate- 

 rials entering the waters as a result of human activity in amounts 

 sufficient to be unsightly or deleterious ; 



(c) Free from materials entering the waters as a result of 

 human activity producing colour, odour or other conditions in 

 such a degree as to create a nuisance ; 



(d) Free from substances entering the waters as a result of 

 human activity in concentrations that are toxic or harmful to 

 human, animal or aquatic life ; 



(e) Free from nutrients entering the waters as a result of human 

 activity in concentrations that create nuisance growths of aquatic 

 weeds and algae. 



Akticle III 



SPECrFIC WATER QUALITY OBJECTIVES 



1. The specific water quality objectives for the boundary waters of 

 the Great Lakes System set forth in Annex 1 are adopted. 



2. The specific water quality objectives may be modified and addi- 

 tional specific water quality objectives for the boundary waters of the 

 Great Lakes System or for particular sections thereof may be adopted 

 by the Parties in accordance with the provisions of Articles IX and 

 XII of this Agreement. 



3. The specific water quality objectives adopted pursuant to this 

 Article represent the minimun desired levels of water quality in the 

 boundary waters of the Great Lakes System and are not intended to 

 preclude the establishment of more stringent requirements. 



4. Notwithstanding the adoption of specific water quality objectives^ 

 all reasonable and practicable measures shall be taken to maintain the 

 levels of water quality existing at the date of entry into force of this 

 Agreement in those areas of the boundary waters of the Great Lakes 

 System where such levels exceed the specific water quality objectives. 



Article IV 



STANDARDS AND OTHER REGULATORY REQUIREMENTS 



Water quality standards and other regulatory requirements of the 

 Parties shall be consistent with the achievement of the water quality- 

 objectives. The Parties shall use their best efforts to ensure that water 

 quality standards and other regulatory requirements of the State and 

 Provincial Governments shall similarly be consistent with the achieve- 

 ment of the water quality objectives. 



Article V 



PROGRAMS AND OTHER MEASURES 



1. Programs and other measures directed toward the achievement of 

 the water quality objectives shall be developed and implemented as 

 sooii as practicable in accordance with legislation in the two countries. 

 Unless otherwise agreed, such programs and other measures shall be 



