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<br />. <br /> <br />. <br /> <br />2 <br /> <br />. <br /> <br />2) The averag~'8~~nities of the waters of the Colorado River a) upstream of <br />Morelos Dam and,b) arriving at Imperial Dam and c) the resulting salinity <br />differential ,were as follows: <br /> <br />. ! ....' ~ <br /> <br />Total Dissolved Solids in pp~1 <br />1985 <br /> <br />The Commission agreed by exchange of letters that the records show that the <br />differential during calendar year 1985 was in accord with above cited Point <br />1 of Minute No. 242, <br /> <br />The results of operations under Minute No, 242 since it became effective on <br />June 24, 1974, are tabulated as follows: <br /> <br /> Salinity in ppm (U,S. Count) <br /> Year Imperial Dam Above Morelos Dam Differential <br />. 1974 (June 25 to December 31) 832 972 140 <br />1975 829 964 135 <br /> 1976 823 955 132 <br /> 1977 820 943 123 <br /> 1978 812 928 116 <br /> 1979 809 739 - 70 <br /> 1980 755 740 - 15 <br /> 1981 806 924 118 <br /> 1982 825 933 108 <br /> 1983 733 742 9 <br /> 1984 670 676 6 <br /> 1985 6()7 639 32 <br /> <br />The results of operations under Minute No, 242 are shown graphically on Exhibit <br />2, which also shows the salinity of the waters arriving at Imperial Dam and <br />of the waters made, available to Mexico at the Northerly International Boundary <br />since 1951, the first full year of deliveries to Mexico under the Water Treaty <br />of 1944. <br /> <br />y <br /> <br />The difference in U.S, count and Mexican count are due to use of different <br />methods of analyses and of computing the total dissolved solids, by each <br />country's laboratory. <br /> <br />. <br />