TOTAL DISSOLVED GAS REPORT FOR GRAND COULEE TAILWATER starting at 0015 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 48.7 736.0 0848.0 115.2 112 000.0 190.1 ++++ 04.9 0519 0200 48.7 737.0 0849.0 115.2 112 000.0 190.0 ++++ 04.9 0519 0300 48.7 737.0 0850.0 115.3 113 000.0 190.2 ++++ 04.9 0519 0400 48.7 737.0 0850.0 115.3 113 000.0 191.2 ++++ 04.9 0519 0500 48.7 737.0 0850.0 115.3 113 000.0 191.6 ++++ 04.9 0519 0600 48.7 737.0 0851.0 115.5 114 000.0 194.4 ++++ 05.0 0519 0700 ++++ +++++ ++++++ +++++ 000 000.0 192.0 ++++ 00.0 0519 0800 ++++ +++++ ++++++ +++++ 000 000.0 194.9 ++++ 00.0 0519 0900 48.7 737.0 0850.0 115.3 113 000.0 197.7 ++++ 04.9 0519 1000 48.9 737.0 0846.0 114.8 109 000.0 189.3 ++++ 04.7 0519 1100 ++++ +++++ ++++++ +++++ 000 000.0 188.7 ++++ 00.0 0519 1200 48.9 737.0 0850.0 115.3 113 000.0 192.1 ++++ 04.9 0519 1300 49.1 737.0 0849.0 115.2 112 000.0 187.3 ++++ 04.9 0519 1400 49.1 737.0 0852.0 115.6 115 000.0 191.7 ++++ 05.0 0519 1500 ++++ +++++ ++++++ +++++ 000 000.0 195.0 ++++ 00.0 0519 1600 49.3 737.0 0853.0 115.7 116 000.0 195.0 ++++ 05.0 0519 1700 49.3 736.0 0850.0 115.5 114 000.0 198.3 ++++ 05.0 0519 1800 49.3 736.0 0851.0 115.6 115 000.0 200.3 ++++ 05.0 0519 1900 49.3 736.0 0852.0 115.8 116 000.0 202.0 ++++ 05.0 0519 2000 49.3 736.0 0851.0 115.6 115 000.0 201.9 ++++ 05.0 0519 2100 49.3 737.0 0850.0 115.3 113 000.0 200.7 ++++ 04.9 0519 2200 49.3 737.0 0852.0 115.6 115 000.0 202.0 ++++ 05.0 0519 2300 49.1 737.0 0851.0 115.5 114 000.0 200.7 ++++ 05.0 0520 000 49.1 737.0 0850.0 115.3 113 000.0 200.8 ++++ 04.9 ** Calculation of compensation depth @ 120% TDG [Baro. Pres. (765) - TDG Pres. (918)]/23 = 6.7 ft.