TOTAL DISSOLVED GAS REPORT FOR ROCK ISLAND TAILWATER starting at 0637 22 may 2012 WA TM BARO TD GAS GAS SPILL TOT DEPTH OF COMPENSATION DATE TIME DEG F PRES PRES % QS QR GAGE(FT) DEPTH(FT) ** 0522 0700 50.0 743.0 906.0 121.9 039.4 214.4 ++++ 7.1 0522 0800 50.0 743.0 905.0 121.8 039.3 212.1 ++++ 7.0 0522 0900 50.0 744.0 904.0 121.5 039.5 205.7 ++++ 7.0 0522 1000 50.0 744.0 903.0 121.4 039.8 202.0 ++++ 6.9 0522 1100 50.0 743.0 902.0 121.4 039.7 206.5 ++++ 6.9 0522 1200 50.0 743.0 901.0 121.3 039.6 208.4 ++++ 6.9 0522 1300 50.0 743.0 901.0 121.3 039.5 217.7 ++++ 6.9 0522 1400 50.0 743.0 902.0 121.4 039.7 213.8 ++++ 6.9 0522 1500 50.0 743.0 900.0 121.1 039.7 213.4 ++++ 6.8 0522 1600 50.2 743.0 896.0 120.6 039.6 219.2 ++++ 6.7 0522 1700 50.2 742.0 896.0 120.8 039.7 220.4 ++++ 6.7 0522 1800 50.2 742.0 896.0 120.8 039.6 220.8 ++++ 6.7 0522 1900 50.2 742.0 897.0 120.9 039.6 223.9 ++++ 6.7 0522 2000 50.2 743.0 901.0 121.3 039.8 216.4 ++++ 6.9 0522 2100 50.2 743.0 902.0 121.4 039.4 221.0 ++++ 6.9 0522 2200 50.2 743.0 902.0 121.4 039.3 212.1 ++++ 6.9 0522 2300 50.2 743.0 902.0 121.4 039.4 209.0 ++++ 6.9 0523 000 50.2 743.0 902.0 121.4 040.1 211.5 ++++ 6.9 0523 0100 50.2 743.0 901.0 121.3 040.4 200.8 ++++ 6.9 0523 0200 50.0 743.0 900.0 121.1 040.6 195.4 ++++ 6.8 0523 0300 50.0 743.0 901.0 121.3 040.3 197.0 ++++ 6.9 0523 0400 50.0 744.0 899.0 120.8 040.4 189.1 ++++ 6.7 0523 0500 50.0 744.0 898.0 120.7 040.6 191.3 ++++ 6.7 0523 0600 ++++ +++++ +++++ +++++ 040.4 201.3 ++++ 0.0 ** Calculation of compensation depth @ 120% TDG [Baro. Pres. (765) - TDG Pres. (918)]/23 = 6.7 ft.