| Report Year: 2009 |
| Bob White Lake, Wayne County |
| Carbon Balance Table |
| Parameter | 7/22/2009 | 6/17/2009 | 2009 | 2008 | 2007 | 2006 | 2005 | 2004 | 2003 | 2002 | 2001 | 2000 |
| Alkalinity as CaCO3 (mg/L) | 80 | 74 | 77.0 | - | 72.1 | 118.5 | 104.0 | 85.2 | 74.7 | 85.7 | 76.2 | 111.7 |
| Dissolved Organic Carbon (mM) | 0.64 | 0.63 | 0.64 | - | 0.64 | 0.80 | 0.54 | 0.68 | 0.97 | 0.94 | - | - |
| Temperature (oC) | 22.6 | 27.2 | 24.9 | - | 27.0 | 25.7 | 26.6 | 23.4 | 26.4 | 26.3 | 24.1 | 23.8 |
| Specific Conductivity (μS/cm) | 210.0 | 230.0 | 220.00 | - | 235.34 | 363.17 | 310.97 | 208.12 | 317.46 | 423.68 | 171.18 | 189.87 |
| pH | 7.8 | 7.6 | 7.7 | - | 8.3 | 8.0 | 8.3 | 8.5 | 8.3 | 8.0 | 8.0 | 8.1 |
| I (Ionic Strength ?) | 0.0368 | 0.0403 | 0.0385 | - | 0.0412 | 0.0636 | 0.0544 | 0.0364 | 0.0555 | 0.0741 | 0.0300 | 0.0332 |
| Dissolved Inorganic Carbon (mM) | 1.63 | 1.53 | 1.58 | - | 1.39 | 2.38 | 2.05 | 1.64 | 1.48 | 1.72 | 1.54 | 2.24 |
| pCO2 (μatm) | 1212 | 1671 | 1441.5 | - | 977.4 | 1603.7 | 551.4 | 303.8 | 444.7 | 988.0 | 756.6 | 838.2 |
| Equilibrium CO2 | 13.55 | 11.88 | 12.72 | - | 11.98 | 12.39 | 12.09 | 13.31 | 12.42 | 12.21 | 13.34 | 13.11 |
| CO2 (μM) | 44.39 | 53.65 | 49.02 | - | 34.26 | 52.93 | 18.19 | 11.22 | 14.23 | 32.02 | 30.56 | 30.16 |
| Δ CO2 from Equilibrium | 30.843 | 41.766 | 36.30 | - | 22.29 | 40.54 | 6.09 | -2.09 | 1.81 | 19.81 | 17.22 | 17.05 |