| Report Year: 2009 |
| Crawford Creek Impoundment, Ida County |
| Carbon Balance Table |
| Parameter | 6/1/2009 | 7/6/2009 | 2009 | 2008 | 2007 | 2006 | 2005 | 2004 | 2003 | 2002 | 2001 | 2000 |
| Alkalinity as CaCO3 (mg/L) | 240 | 169 | 204.5 | - | 191.3 | 178.8 | 183.7 | 189.3 | 145.5 | 178.3 | 143.2 | 190.0 |
| Dissolved Organic Carbon (mM) | 0.41 | 0.39 | 0.40 | - | 0.42 | 0.41 | 0.59 | 0.48 | 0.80 | 0.80 | - | - |
| Temperature (oC) | 18.7 | 23.9 | 21.3 | - | 24.3 | 21.7 | 22.7 | 21.5 | 23.3 | 22.4 | 23.8 | 24.8 |
| Specific Conductivity (μS/cm) | 520.0 | 410.0 | 465.00 | - | 460.81 | 450.70 | 482.11 | 480.69 | 430.68 | 471.34 | 487.63 | 693.09 |
| pH | 8.0 | 8.6 | 8.3 | - | 8.0 | 8.8 | 8.6 | 8.5 | 8.5 | 8.4 | 8.6 | 8.3 |
| I (Ionic Strength ?) | 0.0910 | 0.0718 | 0.0814 | - | 0.0806 | 0.0789 | 0.0844 | 0.0841 | 0.0754 | 0.0825 | 0.0853 | 0.1213 |
| Dissolved Inorganic Carbon (mM) | 4.83 | 3.25 | 4.04 | - | 3.83 | 3.36 | 3.49 | 3.68 | 2.81 | 3.47 | 2.74 | 3.90 |
| pCO2 (μatm) | 1993 | 351 | 1171.9 | - | 1694.1 | 245.9 | 397.1 | 529.5 | 385.5 | 598.3 | 316.2 | 739.6 |
| Equilibrium CO2 | 15.27 | 13.05 | 14.16 | - | 12.97 | 14.07 | 13.59 | 14.25 | 13.41 | 13.86 | 13.15 | 12.73 |
| CO2 (μM) | 82.22 | 12.39 | 47.30 | - | 59.65 | 9.11 | 14.66 | 20.13 | 14.50 | 22.95 | 10.96 | 25.63 |
| Δ CO2 from Equilibrium | 66.949 | -0.660 | 33.14 | - | 46.68 | -4.96 | 1.08 | 5.88 | 1.10 | 9.09 | -2.19 | 12.90 |