TOTAL DISSOLVED GAS REPORT FOR JOHN DAY TAILWATER starting at 2305 21 may 2012 WA TM BARO TD1 GAS TD2 GAS GAS(1) SPILL TOT DEPTH OF COMPENSATION DATE TIME DEG F PRES PRES PRES % QS QR GAGE(FT) DEPTH(FT) ** 0522 000 56.8 755.0 895.0 896.0 118.5 126.1 316.1 17.4 6.1 0522 0100 56.8 755.0 895.0 896.0 118.5 126.1 317.5 17.4 6.1 0522 0200 56.8 755.0 895.0 896.0 118.5 126.1 316.3 17.3 6.1 0522 0300 56.8 755.0 896.0 896.0 118.7 126.1 315.3 17.3 6.1 0522 0400 56.8 755.0 896.0 897.0 118.7 126.1 320.1 17.3 6.1 0522 0500 56.8 755.0 899.0 900.0 119.1 134.6 339.1 17.9 6.3 0522 0600 56.8 756.0 900.0 901.0 119.0 135.2 347.4 18.1 6.3 0522 0700 56.8 756.0 901.0 902.0 119.2 135.2 342.3 18.2 6.3 0522 0800 56.7 756.0 903.0 903.0 119.4 135.1 353.5 18.5 6.4 0522 0900 56.7 756.0 903.0 903.0 119.4 135.2 346.8 18.4 6.4 0522 1000 56.8 756.0 904.0 905.0 119.6 135.2 370.9 18.8 6.4 0522 1100 56.8 756.0 908.0 908.0 120.1 135.1 373.7 18.7 6.6 0522 1200 56.7 756.0 905.0 906.0 119.7 135.0 370.3 18.8 6.5 0522 1300 56.8 755.0 905.0 906.0 119.9 135.5 370.7 18.8 6.5 0522 1400 56.7 755.0 910.0 910.0 120.5 145.0 393.5 19.3 6.7 0522 1500 56.8 754.0 909.0 909.0 120.6 145.0 385.7 18.8 6.7 0522 1600 56.7 754.0 907.0 908.0 120.3 145.0 378.7 18.9 6.7 0522 1700 56.7 754.0 907.0 907.0 120.3 145.0 379.5 18.7 6.7 0522 1800 56.6 755.0 906.0 907.0 120.0 145.0 377.9 18.8 6.6 0522 1900 56.6 755.0 905.0 906.0 119.9 144.9 382.1 18.8 6.5 0522 2000 56.6 756.0 906.0 907.0 119.8 144.9 383.0 18.7 6.5 0522 2100 56.5 757.0 907.0 908.0 119.8 144.8 387.4 18.7 6.5 0522 2200 56.5 757.0 902.0 903.0 119.2 135.0 364.3 18.3 6.3 ++++ ++++ ++++ +++++ +++++ +++++ +++++ +++++ +++++ ++++ 0.0 ** Calculation of compensation depth @ 120% TDG [Baro. Pres. (765) - TDG Pres. (918)]/23 = 6.7 ft.