| Report Year: 2009 |
| Lake Anita, Cass County |
| Carbon Balance Table |
| Parameter | 6/9/2009 | 7/13/2009 | 2009 | 2008 | 2007 | 2006 | 2005 | 2004 | 2003 | 2002 | 2001 | 2000 |
| Alkalinity as CaCO3 (mg/L) | 120 | 104 | 112.0 | - | 119.8 | 116.0 | - | - | 82.8 | 106.0 | 107.0 | 120.0 |
| Dissolved Organic Carbon (mM) | 0.52 | 0.43 | 0.47 | - | 0.57 | 0.61 | - | - | 0.81 | 0.79 | - | - |
| Temperature (oC) | 20.8 | 24.6 | 22.7 | - | 25.2 | 24.9 | - | - | 23.3 | 25.2 | 23.3 | 25.3 |
| Specific Conductivity (μS/cm) | 280.0 | 250.0 | 265.00 | - | 297.77 | 329.64 | - | - | 286.00 | 289.73 | 243.88 | 274.03 |
| pH | 8.4 | 8.2 | 8.3 | - | 8.4 | 8.6 | - | - | 8.6 | 8.7 | 8.7 | 8.6 |
| I (Ionic Strength ?) | 0.0490 | 0.0438 | 0.0464 | - | 0.0521 | 0.0577 | - | - | 0.0501 | 0.0519 | 0.0427 | 0.0480 |
| Dissolved Inorganic Carbon (mM) | 2.36 | 2.07 | 2.21 | - | 2.35 | 2.23 | - | - | 1.59 | 1.88 | 2.01 | 2.31 |
| pCO2 (μatm) | 430 | 597 | 513.4 | - | 484.5 | 257.8 | - | - | 215.1 | 157.0 | 410.9 | 253.5 |
| Equilibrium CO2 | 14.31 | 12.78 | 13.54 | - | 12.66 | 12.72 | - | - | 13.32 | 11.94 | 13.45 | 12.55 |
| CO2 (μM) | 16.62 | 20.62 | 18.62 | - | 17.24 | 8.80 | - | - | 7.73 | 5.08 | 16.89 | 8.72 |
| Δ CO2 from Equilibrium | 2.315 | 7.843 | 5.08 | - | 4.59 | -3.92 | - | - | -5.60 | -6.86 | 3.44 | -3.83 |
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