| Report Year: 2009 |
| Badger Creek Lake, Madison County |
| Carbon Balance Table |
| Parameter | 6/18/2009 | 7/20/2009 | 2009 | 2008 | 2007 | 2006 | 2005 | 2004 | 2003 | 2002 | 2001 | 2000 |
| Alkalinity as CaCO3 (mg/L) | 139 | 131 | 135.0 | - | - | - | 120.5 | 96.2 | 85.7 | 131.3 | 107.7 | 149.3 |
| Dissolved Organic Carbon (mM) | 0.32 | 0.34 | 0.33 | - | - | - | 0.58 | 0.55 | 1.00 | 0.93 | - | - |
| Temperature (oC) | 22.1 | 23.0 | 22.5 | - | - | - | 26.1 | 24.0 | 23.9 | 25.6 | 23.7 | 23.9 |
| Specific Conductivity (μS/cm) | 290.0 | 290.0 | 290.00 | - | - | - | 269.48 | 242.73 | 284.44 | 325.56 | 248.58 | 286.01 |
| pH | 7.9 | 8.6 | 8.3 | - | - | - | 9.2 | 8.8 | 9.1 | 8.8 | 9.0 | 8.1 |
| I (Ionic Strength ?) | 0.0508 | 0.0508 | 0.0508 | - | - | - | 0.0472 | 0.0425 | 0.0498 | 0.0570 | 0.0435 | 0.0501 |
| Dissolved Inorganic Carbon (mM) | 2.82 | 2.52 | 2.67 | - | - | - | 2.11 | 1.73 | 1.49 | 2.46 | 1.95 | 3.38 |
| pCO2 (μatm) | 1664 | 255 | 959.6 | - | - | - | 89.7 | 324.4 | 74.1 | 172.4 | 103.8 | 1434.5 |
| Equilibrium CO2 | 13.77 | 13.41 | 13.59 | - | - | - | 12.30 | 13.05 | 13.15 | 12.45 | 13.40 | 13.05 |
| CO2 (μM) | 61.94 | 9.25 | 35.60 | - | - | - | 3.15 | 11.49 | 2.90 | 5.95 | 4.17 | 50.76 |
| Δ CO2 from Equilibrium | 48.171 | -4.164 | 22.00 | - | - | - | -9.15 | -1.55 | -10.25 | -6.51 | -9.22 | 37.71 |