| Report Year: 2009 |
| Don Williams Lake, Boone County |
| Carbon Balance Table |
| Parameter | 6/11/2009 | 7/13/2009 | 2009 | 2008 | 2007 | 2006 | 2005 | 2004 | 2003 | 2002 | 2001 | 2000 |
| Alkalinity as CaCO3 (mg/L) | 228 | 252 | 240.0 | - | 187.7 | 211.2 | 216.8 | 179.3 | 142.3 | 164.3 | 152.7 | 148.0 |
| Dissolved Organic Carbon (mM) | 0.30 | 0.23 | 0.27 | - | 0.33 | 0.32 | 0.24 | 0.33 | 0.57 | 0.55 | - | - |
| Temperature (oC) | 19.6 | 22.8 | 21.2 | - | 24.0 | 23.0 | 23.5 | 20.5 | 22.4 | 24.3 | 21.5 | 26.2 |
| Specific Conductivity (μS/cm) | 530.0 | 610.0 | 570.00 | - | 516.82 | 626.12 | 622.36 | 546.35 | 615.17 | 527.75 | 507.72 | 374.30 |
| pH | 8.6 | 7.8 | 8.2 | - | 8.1 | 8.4 | 8.3 | 8.4 | 8.4 | 8.3 | 8.7 | 8.9 |
| I (Ionic Strength ?) | 0.0928 | 0.1068 | 0.0998 | - | 0.0904 | 0.1096 | 0.1089 | 0.0956 | 0.1077 | 0.0924 | 0.0889 | 0.0655 |
| Dissolved Inorganic Carbon (mM) | 4.39 | 5.11 | 4.75 | - | 3.75 | 4.06 | 4.27 | 3.49 | 2.77 | 3.24 | 2.88 | 2.38 |
| pCO2 (μatm) | 469 | 3111 | 1790.3 | - | 1450.5 | 1374.2 | 1035.4 | 565.7 | 479.1 | 746.0 | 409.7 | 120.8 |
| Equilibrium CO2 | 14.83 | 13.50 | 14.17 | - | 13.15 | 13.40 | 13.32 | 14.54 | 13.77 | 12.97 | 14.28 | 12.22 |
| CO2 (μM) | 18.82 | 113.54 | 66.18 | - | 54.41 | 48.27 | 39.30 | 22.87 | 17.86 | 26.69 | 18.18 | 4.01 |
| Δ CO2 from Equilibrium | 3.984 | 100.038 | 52.01 | - | 41.26 | 34.87 | 25.98 | 8.33 | 4.09 | 13.72 | 3.90 | -8.21 |