| CC (Mean concentration) | CC (Maximum concentration) | ||||
---|---|---|---|---|---|---|
 | Jun 2008 | Dec 2008 | Jul 2009 | Jun 2008 | Dec 2008 | Jul 2009 |
He | 0.45 | 0.12 | 0.55 | 0.53 | 0.29 | 0.17 |
H2 | 0.80 | 0.70 | 0.38 | 0.75 | 0.72 | 0.32 |
N2/O2 | 0.84 | 0.35 | -0.55 | 0.54 | 0.04 | 0.73 |
CO2 | 0.08 | 0.38 | -0.15 | 0.317 | 0.04 | 0.7 |
Rn | 0.17 | -0.37 | -0.4 | 0.76 | -0.11 | -0.43 |
Hg | 0.48 | -0.001 | -0.08 | 0.3 | -0.11 | -0.24 |