| Report Year: 2009 |
| Greenfield Lake, Adair County |
| Carbon Balance Table |
| Parameter | 6/8/2009 | 7/13/2009 | 2009 | 2008 | 2007 | 2006 | 2005 | 2004 | 2003 | 2002 | 2001 | 2000 |
| Alkalinity as CaCO3 (mg/L) | 137 | 119 | 128.0 | - | - | - | 125.3 | 134.7 | 91.8 | 123.5 | 111.7 | 130.3 |
| Dissolved Organic Carbon (mM) | 0.48 | 0.45 | 0.46 | - | - | - | 0.55 | 0.54 | 0.81 | 0.69 | - | - |
| Temperature (oC) | 21.5 | 24.2 | 22.8 | - | - | - | 24.1 | 22.5 | 22.9 | 26.6 | 24.3 | 25.5 |
| Specific Conductivity (μS/cm) | 350.0 | 300.0 | 325.00 | - | - | - | 343.29 | 378.33 | 344.81 | 374.37 | 324.54 | 348.09 |
| pH | 8.5 | 8.3 | 8.4 | - | - | - | 8.5 | 8.3 | 8.5 | 8.4 | 8.2 | 8.7 |
| I (Ionic Strength ?) | 0.0613 | 0.0525 | 0.0569 | - | - | - | 0.0601 | 0.0662 | 0.0603 | 0.0655 | 0.0568 | 0.0609 |
| Dissolved Inorganic Carbon (mM) | 2.67 | 2.35 | 2.51 | - | - | - | 2.42 | 2.66 | 1.76 | 2.34 | 2.20 | 2.49 |
| pCO2 (μatm) | 397 | 543 | 469.7 | - | - | - | 373.4 | 800.3 | 529.2 | 396.4 | 834.4 | 247.5 |
| Equilibrium CO2 | 14.02 | 12.95 | 13.49 | - | - | - | 13.09 | 13.60 | 13.47 | 12.10 | 13.01 | 12.51 |
| CO2 (μM) | 15.04 | 18.99 | 17.02 | - | - | - | 13.79 | 28.98 | 18.11 | 12.95 | 31.20 | 8.47 |
| Δ CO2 from Equilibrium | 1.021 | 6.041 | 3.53 | - | - | - | 0.70 | 15.38 | 4.64 | 0.85 | 18.19 | -4.04 |