Concentrations of nicotine recorded in public places in the city of Barcelona
| Locations | Sampling time (days)* | Nicotine concentration (μg/m2) |
|---|---|---|
| *The monitors were left exposed for 24 hours a day. | ||
| †All connections where measures were taken from corresponded to different sites. | ||
| ‡The same hospital where the canteen's measurement were taken from. | ||
| Underground (subway) stations (mean) | 2.2 | |
| Platform | 7 | 0.1 |
| Connection 1† | 7 | 3.8 |
| Connection 2 | 7 | 2.1 |
| Connection 3 | 7 | 4.1 |
| Coach | 12 | 1.0 |
| Restaurants (mean) | 12.4 | |
| Main dining room (no division) | 7 | 10.6 |
| Hospital A canteen (non-smoking area) | 7 | 11.5 |
| Hospital A canteen (smoking area) | 7 | 15.0 |
| Large stores (mean) | 2.8 | |
| Store A, floor 1 | 7 | 0.7 |
| Store A, floor 2 | 7 | 0.4 |
| Store B, information centre | 13 | 6.2 |
| Store B, hall | 13 | 3.9 |
| Medical school (mean) | 0.9 | |
| Corridor 1 | 7 | 2.1 |
| Corridor 2 | 7 | 0.0 |
| Classroom | 7 | 0.1 |
| Cafeteria | 7 | 2.0 |
| Hall | 7 | 0.2 |
| Language school (mean) | 2.3 | |
| Hall 1 | 7 | 3.0 |
| Hall 2 | 7 | 1.7 |
| Secondary school (mean) | 9.5 | |
| Teacher's room | 7 | 9.5 |
| Hospitals (mean) | 0.7 | |
| Hospital B, newborns inpatients | 7 | 0.0 |
| Hospital B, paediatric outpatients | 11 | 0.2 |
| Hospital A‡, emergency department | 7 | 1.0 |
| Hospital A, radiography department (emergencies) | 7 | 1.6 |
| General practice (mean) | 1.1 | |
| Doctor's room | 7 | 2.0 |
| Stairs | 7 | 0.4 |
| Public health centre (mean) | 3.7 | |
| Room | 12 | 3.7 |
| Households, non-smokers (mean) | 0.0 | |
| House A, living room 1 | 9 | 0.0 |
| House B, living room 2 | 8 | 0.0 |
| House B, bedroom | 8 | 0.0 |
| Households, smokers (mean) | 7.9 | |
| House C, living room | 7 | 7.9 |