| Report Year: 2009 |
| Lake Cornelia, Wright County |
| Carbon Balance Table |
| Parameter | 6/25/2009 | 7/30/2009 | 2009 | 2008 | 2007 | 2006 | 2005 | 2004 | 2003 | 2002 | 2001 | 2000 |
| Alkalinity as CaCO3 (mg/L) | 179 | 175 | 177.0 | - | 158.1 | 163.5 | 154.7 | 163.6 | 114.3 | 180.0 | 172.7 | 185.7 |
| Dissolved Organic Carbon (mM) | 0.74 | 0.76 | 0.75 | - | 0.88 | 0.88 | 0.96 | 0.78 | 1.15 | 1.15 | - | - |
| Temperature (oC) | 25.6 | 24.0 | 24.8 | - | 23.8 | 23.2 | 25.7 | 23.2 | 22.7 | 24.6 | 23.8 | 24.9 |
| Specific Conductivity (μS/cm) | 400.0 | 440.0 | 420.00 | - | 359.81 | 379.19 | 380.05 | 381.80 | 369.49 | 525.30 | 406.15 | 419.60 |
| pH | 8.2 | 8.2 | 8.2 | - | 8.4 | 8.9 | 8.6 | 8.6 | 8.7 | 8.5 | 8.5 | 8.4 |
| I (Ionic Strength ?) | 0.0700 | 0.0770 | 0.0735 | - | 0.0630 | 0.0664 | 0.0665 | 0.0668 | 0.0647 | 0.0919 | 0.0711 | 0.0734 |
| Dissolved Inorganic Carbon (mM) | 3.55 | 3.47 | 3.51 | - | 3.10 | 3.02 | 2.97 | 3.14 | 2.18 | 3.49 | 3.35 | 3.62 |
| pCO2 (μatm) | 1062 | 933 | 997.2 | - | 587.4 | 205.1 | 316.0 | 477.9 | 191.1 | 573.3 | 501.9 | 604.7 |
| Equilibrium CO2 | 12.44 | 13.04 | 12.74 | - | 13.10 | 13.43 | 12.40 | 13.32 | 13.62 | 12.82 | 13.31 | 12.70 |
| CO2 (μM) | 35.70 | 32.86 | 34.28 | - | 20.66 | 7.10 | 10.61 | 17.02 | 7.10 | 19.61 | 16.79 | 20.76 |
| Δ CO2 from Equilibrium | 23.259 | 19.824 | 21.54 | - | 7.55 | -6.33 | -1.79 | 3.70 | -6.52 | 6.79 | 3.48 | 8.06 |