Table 1.
Concentrations of selected compounds (mg/m3) in the air of the Rotunda of Sts. Felix and Adauctus.
| Compound | April | June | August | October |
|---|---|---|---|---|
| carbon dioxide | 0.14 | 0,12 | 0.12 | 0.16 |
| nitric oxide (NO) | 0.00 | 0.25 | 5.27 | 0.00 |
| acetic acid | 0.00 | 0.00 | 0.06 | 1.75 |
| methane | 1.59 | 1.05 | 0.73 | 1.90 |
| sulfur dioxide | 0.00 | 0.00 | 0.00 | 0.95 |
| ammonia | 0.00 | 0.02 | 0.02 | 0.04 |
| carbonyl sulfide | 0.00 | 1.47 | 1.51 | 0.00 |
| hydrogen cyanide | 0.00 | 1.10 | 0.97 | 0.00 |
| cyclohexane | 0.07 | 0.26 | 0.21 | 0.34 |
| formaldehyde | 0.16 | 0.04 | 0.08 | 0.00 |
| benzene | 0.83 | 0.68 | 5.21 | 1.85 |
| toluene | 0.11 | 0.00 | 0.00 | 0.42 |
| m-xylene | 0.00 | 0.00 | 0.00 | 0.00 |
| acetone | 1.04 | 0.51 | 1.25 | 0.70 |
| methyl isobutyl ketone | 0.00 | 0.00 | 0.00 | 0.00 |
| ethane | 0.56 | 0.00 | 0.41 | 0.00 |
| ethanol | 0.87 | 1.28 | 0.85 | 0.73 |
| acetaldehyde | 0.50 | 0.41 | 0.51 | 1.82 |
| diethyl ether | 0.06 | 0.07 | 0.14 | 0.00 |
| 1,2,4-trimetylbenzene | 0.39 | 0.50 | 0.00 | 0.00 |
| octane | 0.00 | 0.48 | 0.54 | 0.33 |
| ethylene | 0.00 | 0.42 | 0.04 | 0.23 |
| 1,3-butadiene | 1.46 | 0.00 | 1.03 | 0.50 |
| styrene | 2.55 | 0.00 | 0.00 | 0.00 |
| cumene | 0.00 | 0.28 | 0.15 | 0.24 |