TOTAL DISSOLVED GAS REPORT FOR 1 MILE DOWNSTREAM OF THE DALLES starting at 0012 20 may 2012 WA TM BARO TD GAS GAS DELTA P SPILL TOT DEPTH OF COMPENSATION DATE TIME DEG F PRES PRES % MM QS QR GAGE(FT) DEPTH(FT) ** 0520 0100 56.7 759.0 890.0 117.3 131 098.4 315.2 13.4 5.7 0520 0200 56.7 759.0 890.0 117.3 131 098.4 305.6 13.0 5.7 0520 0300 56.6 759.0 892.0 117.5 133 098.1 297.6 12.9 5.8 0520 0400 56.6 759.0 889.0 117.1 130 098.2 278.4 12.4 5.7 0520 0500 56.5 759.0 892.0 117.5 133 098.2 276.6 12.3 5.8 0520 0600 56.5 759.0 891.0 117.4 132 098.2 271.8 12.0 5.7 0520 0700 56.5 759.0 890.0 117.3 131 098.2 275.2 12.0 5.7 0520 0800 56.4 759.0 890.0 117.3 131 098.4 281.9 11.6 5.7 0520 0900 56.5 759.0 888.0 117.0 129 098.3 324.2 12.2 5.6 0520 1000 56.5 759.0 886.0 116.7 127 098.4 348.6 12.1 5.5 0520 1100 56.5 759.0 881.0 116.1 122 098.6 350.0 12.3 5.3 0520 1200 56.5 759.0 880.0 115.9 121 098.8 348.2 12.3 5.3 0520 1300 56.6 759.0 877.0 115.5 118 099.1 343.1 12.2 5.1 0520 1400 56.6 759.0 878.0 115.7 119 099.2 346.8 12.2 5.2 0520 1500 56.6 759.0 877.0 115.5 118 101.1 346.3 12.2 5.1 0520 1600 56.6 758.0 877.0 115.7 119 124.6 374.8 12.7 5.2 0520 1700 56.7 758.0 883.0 116.5 125 124.5 375.5 12.9 5.4 0520 1800 56.7 758.0 883.0 116.5 125 124.4 376.3 12.7 5.4 0520 1900 56.8 757.0 883.0 116.6 126 124.4 371.1 12.6 5.5 0520 2000 56.8 757.0 888.0 117.3 131 124.4 371.7 12.9 5.7 0520 2100 56.8 757.0 890.0 117.6 133 124.4 371.0 12.6 5.8 0520 2200 56.8 757.0 892.0 117.8 135 110.1 353.0 12.3 5.9 0520 2300 56.8 757.0 887.0 117.2 130 099.6 341.3 12.4 5.7 0521 000 56.8 757.0 885.0 116.9 128 099.5 341.6 12.3 5.6 ** Calculation of compensation depth @ 120% TDG [Baro. Pres. (765) - TDG Pres. (918)]/23 = 6.7 ft.