TOTAL DISSOLVED GAS REPORT FOR JOHN DAY TAILWATER starting at 0012 19 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) ** 0519 0100 56.2 758.0 913.0 120.4 155 154.8 384.5 19.2 6.7 0519 0200 56.2 758.0 910.0 120.1 152 147.1 380.1 19.0 6.6 0519 0300 56.2 758.0 908.0 119.8 150 143.8 370.9 19.0 6.5 0519 0400 56.2 758.0 914.0 120.6 156 154.4 392.2 19.4 6.8 0519 0500 56.2 759.0 913.0 120.3 154 155.2 389.9 19.2 6.7 0519 0600 56.2 759.0 915.0 120.6 156 155.2 396.2 19.3 6.8 0519 0700 56.2 759.0 912.0 120.2 153 155.0 388.6 19.2 6.7 0519 0800 56.2 759.0 913.0 120.3 154 155.0 392.8 19.1 6.7 0519 0900 56.2 759.0 912.0 120.2 153 155.0 389.1 19.0 6.7 0519 1000 56.3 759.0 910.0 119.9 151 155.0 386.0 19.1 6.6 0519 1100 56.3 759.0 914.0 120.4 155 155.0 391.9 19.0 6.7 0519 1200 56.4 758.0 912.0 120.3 154 155.0 387.8 18.8 6.7 0519 1300 56.5 757.0 913.0 120.6 156 155.0 388.5 18.8 6.8 0519 1400 56.5 757.0 911.0 120.3 154 153.7 390.1 18.8 6.7 0519 1500 56.6 757.0 904.0 119.4 147 136.8 367.3 18.4 6.4 0519 1600 56.6 757.0 907.0 119.8 150 135.3 368.0 18.5 6.5 0519 1700 56.6 757.0 905.0 119.6 148 135.1 378.0 18.6 6.4 0519 1800 56.6 756.0 905.0 119.7 149 134.8 386.4 18.7 6.5 0519 1900 56.6 756.0 906.0 119.8 150 134.9 391.2 18.9 6.5 0519 2000 56.6 756.0 906.0 119.8 150 134.9 387.7 18.8 6.5 0519 2100 56.6 757.0 897.0 118.5 140 113.5 354.3 18.1 6.1 0519 2200 56.6 757.0 891.0 117.7 134 098.2 325.0 17.8 5.8 0519 2300 56.6 757.0 890.0 117.6 133 098.1 327.8 17.6 5.8 0520 000 56.6 758.0 889.0 117.3 131 098.1 330.0 17.1 5.7 ** Calculation of compensation depth @ 120% TDG [Baro. Pres. (765) - TDG Pres. (918)]/23 = 6.7 ft.