| Report Year: 2009 |
| Blue Lake, Monona County |
| Carbon Balance Table |
| Parameter | 6/10/2009 | 7/15/2009 | 2009 | 2008 | 2007 | 2006 | 2005 | 2004 | 2003 | 2002 | 2001 | 2000 |
| Alkalinity as CaCO3 (mg/L) | 292 | 286 | 289.0 | - | 260.0 | 304.0 | 295.7 | 245.0 | 194.0 | 286.2 | 224.7 | 298.0 |
| Dissolved Organic Carbon (mM) | 0.79 | 0.73 | 0.76 | - | 0.51 | 0.61 | 0.36 | 0.49 | 0.81 | 0.78 | - | - |
| Temperature (oC) | 19.7 | 26.2 | 22.9 | - | 26.0 | 26.3 | 24.4 | 22.5 | 25.9 | 26.3 | 22.5 | 26.6 |
| Specific Conductivity (μS/cm) | 680.0 | 690.0 | 685.00 | - | 627.31 | 740.28 | 750.14 | 656.79 | 684.15 | 707.10 | 600.10 | 767.02 |
| pH | 8.6 | 8.4 | 8.5 | - | 8.4 | 8.6 | 8.3 | 8.5 | 8.5 | 8.4 | 8.6 | 8.3 |
| I (Ionic Strength ?) | 0.1190 | 0.1208 | 0.1199 | - | 0.1098 | 0.1295 | 0.1313 | 0.1149 | 0.1197 | 0.1237 | 0.1050 | 0.1342 |
| Dissolved Inorganic Carbon (mM) | 5.61 | 5.55 | 5.58 | - | 5.06 | 5.66 | 5.78 | 4.70 | 3.72 | 5.56 | 4.31 | 5.82 |
| pCO2 (μatm) | 599 | 900 | 749.2 | - | 1428.9 | 1429.3 | 1278.9 | 613.0 | 475.3 | 955.0 | 478.2 | 1265.2 |
| Equilibrium CO2 | 14.78 | 12.24 | 13.51 | - | 12.40 | 12.21 | 12.92 | 13.64 | 12.36 | 12.29 | 13.89 | 12.10 |
| CO2 (μM) | 23.93 | 29.75 | 26.84 | - | 52.54 | 45.31 | 46.09 | 22.40 | 15.80 | 32.15 | 17.89 | 41.27 |
| Δ CO2 from Equilibrium | 9.143 | 17.517 | 13.33 | - | 40.14 | 33.10 | 33.17 | 8.76 | 3.44 | 19.86 | 4.00 | 29.17 |
|