| Report Year: 2009 |
| Poll Miller Park Lake, Lee County |
| Carbon Balance Table |
| Parameter | 7/22/2009 | 6/16/2009 | 2009 | 2008 | 2007 | 2006 | 2005 | 2004 | 2003 | 2002 | 2001 | 2000 |
| Alkalinity as CaCO3 (mg/L) | 113 | 115 | 114.0 | - | 132.7 | 139.3 | 144.0 | 127.5 | 81.8 | 108.8 | 111.0 | 134.7 |
| Dissolved Organic Carbon (mM) | 0.45 | 0.49 | 0.47 | - | 0.53 | 0.51 | 0.57 | 0.41 | 0.81 | 0.83 | - | - |
| Temperature (oC) | 23.1 | 22.0 | 22.5 | - | 26.4 | 26.2 | 27.3 | 23.9 | 23.9 | 28.3 | 24.3 | 25.0 |
| Specific Conductivity (μS/cm) | 300.0 | 290.0 | 295.00 | - | 340.05 | 396.93 | 392.94 | 343.98 | 291.70 | 320.08 | 295.81 | 274.53 |
| pH | 8.3 | 8.5 | 8.4 | - | 8.4 | 8.4 | 8.7 | 8.6 | 8.8 | 8.8 | 8.6 | 8.6 |
| I (Ionic Strength ?) | 0.0525 | 0.0508 | 0.0516 | - | 0.0595 | 0.0695 | 0.0688 | 0.0602 | 0.0510 | 0.0560 | 0.0518 | 0.0480 |
| Dissolved Inorganic Carbon (mM) | 2.23 | 2.24 | 2.23 | - | 2.60 | 2.65 | 2.72 | 2.45 | 1.53 | 2.03 | 2.14 | 2.60 |
| pCO2 (μatm) | 456 | 308 | 382.0 | - | 530.4 | 439.6 | 295.3 | 254.0 | 116.7 | 179.9 | 321.3 | 320.8 |
| Equilibrium CO2 | 13.38 | 13.80 | 13.59 | - | 12.20 | 12.21 | 11.87 | 13.06 | 13.16 | 11.55 | 13.09 | 12.67 |
| CO2 (μM) | 16.50 | 11.49 | 13.99 | - | 17.60 | 14.49 | 9.68 | 8.91 | 4.08 | 5.87 | 12.41 | 11.07 |
| Δ CO2 from Equilibrium | 3.111 | -2.316 | 0.40 | - | 5.40 | 2.28 | -2.19 | -4.15 | -9.08 | -5.68 | -0.68 | -1.60 |