1. AGREEMENT CONSTITUTING APPENDIX I, RELATING 

 TO GROSS REDUCTIONS IN INPUTS OF PHOSPHORUS 

 TO LAKES SUPERIOR AND HURON TO THE GREAT 

 LAKES WATER QUALITY AGREEMENT OF APRIL 15^ 

 1972, NOVEMBER 21, 1973=-^ 



Effected hy exchange of notes Dated at Washington Novemher 21^- 

 1973; Entered into force November 21, 1973. 



The Department of State to the Canadian Enibassy 



DEPARTMENT OF STATIT 

 WASHIXGTOX 



The Department of State refers the Embassy of Canada to Sectiore 

 8 of Annex 2 of the Great Lakes Water Quality Agreement [^] between 

 the United States and Canada. In that Section, the United States 

 and Canada undertook jointly to determine gross reductions in in- 

 puts of phosphorus to be sought in Lake Superior and Lake Huron, 



This matter has been considered by the International Great Lakes 

 Water Quality Board, which has recommended, pending further 

 studies, the adoption of the following tables of gross reductions in 

 phosphorus loadings (in short tons per year) : 



1973 1974 1975 1976 1977 



Lake Superior: 

 United States: 



Baseload 1,505 1,530 1,555 1,580 1.60S 



Reduction 80 145 480 495 



Residualload 1,505 1,450 1,410 1,100 1, lie* 



Canada: 



Baseload 920 935 950 965 980 



Reduction 95 100 100 105 llC' 



Residualload 825 835 850 850 87tf 



Lake Huron: 



United Stales: 



Baseload 1,565 1,600 1,635 1,670 1,7055 



Reduction 115 200 210 215 55& 



Residualload 1,450 1,400 1,425 1,455 1,15®^ 



Canada: 



Baseload 1,380 1,400 1,465 1,480 1,5(K» 



Reduction 130 205 240 245 245>' 



Residualload 1,250 1,195 1,225 1,235 1,255^ 



The amounts shown as "residual loads" in the above tables do nofc 

 constitute allocations to the two countries but represent anticipated- 



* Citation: TIAS 7747. 

 iTIAS 7312; 23 UST 330. 



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