TOTAL DISSOLVED GAS REPORT FOR DOWNSTREAM OF CHIEF JOSEPH starting at 2251 21 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) ** 0521 2300 50.5 735.1 854.0 116.2 119 099.8 204.3 14.1 5.2 0522 000 50.5 735.0 851.0 115.8 116 100.0 182.8 13.1 5.0 0522 0100 50.4 735.1 825.0 112.2 090 029.3 176.9 13.9 3.9 0522 0200 50.4 735.4 815.0 110.8 080 025.0 188.2 13.8 3.5 0522 0300 50.3 735.7 813.0 110.5 077 025.0 182.9 14.4 3.4 0522 0400 50.3 736.4 814.0 110.5 078 025.0 187.1 14.3 3.4 0522 0500 50.2 736.6 814.0 110.5 077 025.0 188.4 14.3 3.4 0522 0600 50.2 736.7 835.0 113.3 098 078.7 188.8 14.2 4.3 0522 0700 50.2 736.6 842.0 114.3 105 079.6 181.4 14.5 4.6 0522 0800 50.2 736.5 844.0 114.6 108 079.6 184.6 14.5 4.7 0522 0900 50.2 736.5 846.0 114.9 110 079.6 195.0 14.4 4.8 0522 1000 50.2 736.4 846.0 114.9 110 079.6 193.8 14.9 4.8 0522 1100 50.2 736.5 847.0 115.0 111 079.6 196.4 15.0 4.8 0522 1200 50.2 736.0 848.0 115.2 112 079.6 195.8 15.0 4.9 0522 1300 50.2 735.4 847.0 115.2 112 079.6 195.5 14.7 4.9 0522 1400 50.2 735.9 848.0 115.2 112 079.6 209.9 15.7 4.9 0522 1500 50.2 736.1 848.0 115.2 112 079.6 200.7 15.0 4.9 0522 1600 50.2 736.1 844.0 114.7 108 079.6 174.8 14.7 4.7 0522 1700 50.3 736.2 844.0 114.6 108 079.6 171.5 14.3 4.7 0522 1800 50.4 736.0 843.0 114.5 107 079.6 161.6 14.4 4.7 0522 1900 50.4 735.9 844.0 114.7 108 079.6 177.4 14.7 4.7 0522 2000 50.4 736.0 844.0 114.7 108 079.6 177.5 14.2 4.7 0522 2100 50.4 736.0 843.0 114.5 107 079.6 178.7 14.5 4.7 0522 2200 50.4 736.3 841.0 114.2 105 079.6 166.4 13.6 4.6 ** Calculation of compensation depth @ 120% TDG [Baro. Pres. (765) - TDG Pres. (918)]/23 = 6.7 ft.