| Report Year: 2009 |
| Badger Lake, Webster County |
| Carbon Balance Table |
| Parameter | 6/4/2009 | 7/28/2009 | 2009 | 2008 | 2007 | 2006 | 2005 | 2004 | 2003 | 2002 | 2001 | 2000 |
| Alkalinity as CaCO3 (mg/L) | 297 | 226 | 261.5 | - | - | 209.0 | 211.7 | 168.3 | 201.0 | 204.5 | 218.7 | 176.0 |
| Dissolved Organic Carbon (mM) | 0.29 | 0.29 | 0.29 | - | - | 0.28 | 0.37 | 1.23 | 0.48 | 0.79 | - | - |
| Temperature (oC) | 18.4 | 24.3 | 21.4 | - | - | 19.0 | 19.8 | 21.0 | 19.4 | 21.6 | 21.2 | 22.0 |
| Specific Conductivity (μS/cm) | 680.0 | 610.0 | 645.00 | - | - | 648.72 | 676.19 | 585.62 | 720.71 | 644.42 | 750.82 | 699.04 |
| pH | 8.4 | 7.7 | 8.1 | - | - | 8.9 | 8.2 | 8.4 | 8.4 | 8.3 | 8.2 | 8.0 |
| I (Ionic Strength ?) | 0.1190 | 0.1068 | 0.1129 | - | - | 0.1135 | 0.1183 | 0.1025 | 0.1261 | 0.1128 | 0.1314 | 0.1223 |
| Dissolved Inorganic Carbon (mM) | 5.79 | 4.61 | 5.20 | - | - | 3.87 | 4.61 | 3.28 | 3.93 | 4.02 | 4.32 | 3.52 |
| pCO2 (μatm) | 858 | 3539 | 2198.2 | - | - | 205.6 | 1288.4 | 512.1 | 644.4 | 843.5 | 1091.5 | 1513.7 |
| Equilibrium CO2 | 15.39 | 12.91 | 14.15 | - | - | 15.10 | 15.06 | 14.39 | 15.08 | 14.18 | 14.20 | 13.92 |
| CO2 (μM) | 35.67 | 123.48 | 79.58 | - | - | 8.39 | 56.17 | 19.51 | 26.29 | 33.53 | 42.06 | 59.74 |
| Δ CO2 from Equilibrium | 20.289 | 110.572 | 65.43 | - | - | -6.71 | 41.11 | 5.11 | 11.21 | 19.35 | 27.86 | 45.82 |