Table I.
The air ambient concentrations of two volatile organic compounds, benzene and ethyl benzene, in various areas of the municipalities of Sarroch and Burcei, a rural village
| Diffusive sampler locations | n | Volatile organic compounds (µg/m3) | |||
|---|---|---|---|---|---|
| Benzene ± SD | P value | Ethyl benzenea ± SD | P value | ||
| Rural village | |||||
| School gardensb | 2 | 1.4±0.08 | – | 0.15±0.0 | – |
| Sarroch municipality | |||||
| School gardens | 2 | 2.7±1.1 | 0.019 | 1.0±0.5 | 0.019 |
| City park | 1 | 3.8±0.6 | 0.060 | 1.5±0.4 | 0.028 |
| City centre | 4 | 3.6±1.0 | 0.007 | 1.5±0.5 | 0.007 |
| Residential areas | 7 | 3.1±0.5 | 0.003 | 1.2±0.2 | 0.002 |
| Urban area | 14 | 3.2±0.8 | 0.001 | 1.3±0.4 | 0.001 |
| Near the industrial park | 3 | 5.8±2.2 | 0.010 | 1.8±0.4 | 0.008 |
Measurements were performed over a period of 3 weeks.
aValues of half the limit of detection were assigned for ethyl benzene concentrations below the limit of detection.
bReference level.