TOTAL DISSOLVED GAS REPORT FOR ROCK ISLAND TAILWATER starting at 0018 20 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) ** 0520 0100 50.2 747.0 910.0 121.8 061.8 247.8 ++++ 7.1 0520 0200 50.2 747.0 916.0 122.6 069.9 255.4 ++++ 7.3 0520 0300 50.2 747.0 924.0 123.7 070.7 256.2 ++++ 7.7 0520 0400 50.2 747.0 919.0 123.0 045.1 232.3 ++++ 7.5 0520 0500 50.2 747.0 908.0 121.6 044.7 220.8 ++++ 7.0 0520 0600 50.2 747.0 906.0 121.3 040.1 206.9 ++++ 6.9 0520 0700 50.2 747.0 905.0 121.2 039.3 198.3 ++++ 6.9 0520 0800 50.2 747.0 907.0 121.4 039.9 205.0 ++++ 7.0 0520 0900 50.4 747.0 908.0 121.6 040.1 204.8 ++++ 7.0 0520 1000 50.4 747.0 908.0 121.6 040.2 206.0 ++++ 7.0 0520 1100 50.4 747.0 904.0 121.0 040.3 206.3 ++++ 6.8 0520 1200 50.4 747.0 901.0 120.6 040.3 210.4 ++++ 6.7 0520 1300 50.4 747.0 898.0 120.2 039.6 226.6 ++++ 6.6 0520 1400 50.4 746.0 896.0 120.1 039.3 226.8 ++++ 6.5 0520 1500 50.4 746.0 896.0 120.1 039.2 226.9 ++++ 6.5 0520 1600 50.4 746.0 894.0 119.8 039.6 229.9 ++++ 6.4 0520 1700 50.4 745.0 895.0 120.1 040.2 236.3 ++++ 6.5 0520 1800 50.4 745.0 896.0 120.3 040.6 236.8 ++++ 6.6 0520 1900 50.4 745.0 896.0 120.3 040.4 235.9 ++++ 6.6 0520 2000 50.4 745.0 898.0 120.5 050.9 245.2 ++++ 6.7 0520 2100 50.4 746.0 905.0 121.3 049.3 243.5 ++++ 6.9 0520 2200 50.4 746.0 904.0 121.2 053.6 247.3 ++++ 6.9 0520 2300 50.2 746.0 911.0 122.1 061.3 248.5 ++++ 7.2 0521 000 50.2 746.0 915.0 122.7 062.0 250.1 ++++ 7.3 ** Calculation of compensation depth @ 120% TDG [Baro. Pres. (765) - TDG Pres. (918)]/23 = 6.7 ft.