| Report Year: 2009 |
| Central Park Lake, Jones County |
| Carbon Balance Table |
| Parameter | 6/23/2009 | 7/28/2009 | 2009 | 2008 | 2007 | 2006 | 2005 | 2004 | 2003 | 2002 | 2001 | 2000 |
| Alkalinity as CaCO3 (mg/L) | 170 | 140 | 155.0 | - | 147.0 | 141.2 | 153.1 | 163.5 | 107.0 | 142.3 | 160.7 | 155.0 |
| Dissolved Organic Carbon (mM) | 0.43 | 0.41 | 0.42 | - | 0.49 | 0.54 | 0.73 | 0.52 | 0.85 | 0.94 | - | - |
| Temperature (oC) | 25.4 | 23.9 | 24.7 | - | 25.4 | 24.6 | 27.9 | 24.4 | 26.0 | 26.5 | 25.3 | 24.8 |
| Specific Conductivity (μS/cm) | 390.0 | 330.0 | 360.00 | - | 309.75 | 319.36 | 324.59 | 383.53 | 339.68 | 476.00 | 383.57 | 360.46 |
| pH | 8.5 | 8.9 | 8.7 | - | 8.8 | 9.0 | 8.9 | 8.5 | 8.9 | 8.8 | 8.8 | 8.6 |
| I (Ionic Strength ?) | 0.0683 | 0.0578 | 0.0630 | - | 0.0542 | 0.0559 | 0.0568 | 0.0671 | 0.0594 | 0.0833 | 0.0671 | 0.0631 |
| Dissolved Inorganic Carbon (mM) | 3.31 | 2.60 | 2.96 | - | 2.75 | 2.53 | 2.75 | 3.15 | 1.97 | 2.67 | 3.00 | 2.97 |
| pCO2 (μatm) | 515 | 142 | 328.6 | - | 184.3 | 136.7 | 268.2 | 586.6 | 115.4 | 201.9 | 235.2 | 328.2 |
| Equilibrium CO2 | 12.51 | 13.04 | 12.77 | - | 12.49 | 12.81 | 11.71 | 12.89 | 12.30 | 12.13 | 12.88 | 12.71 |
| CO2 (μM) | 17.41 | 5.01 | 11.21 | - | 6.24 | 4.64 | 9.21 | 21.59 | 3.83 | 6.67 | 9.03 | 11.27 |
| Δ CO2 from Equilibrium | 4.900 | -8.033 | -1.57 | - | -6.25 | -8.17 | -2.50 | 8.70 | -8.47 | -5.46 | -3.84 | -1.44 |