Table 2.
Averaged Establishment Nicotine Exposure (in micrograms per cubic meter), Mexico, 2008
| Nicotine centile distribution |
|||||
| Min | 25 | Median | 75 | Max | |
| City | |||||
| Mexico City | <LD | 0.6 | 1.0 | 2.5 | 9.1 |
| Colima | 0.5 | 1.0 | 2.6 | 5.7 | 42.2 |
| Cuernavaca | 0.6 | 0.9 | 3.1 | 12.8 | 75.6 |
| Toluca | 0.6 | 1.5 | 3.7 | 14.6 | 118.3 |
| Mechanical systems | |||||
| Air extraction system | |||||
| No | <LD | 0.9 | 1.9 | 5.7 | 118.3 |
| Yes | <LD | 1.1 | 3.8 | 14.0 | 96.8 |
| Ventilation system | |||||
| Natural | <LD | 0.8 | 1.6 | 5.7 | 83.6 |
| Fan | 0.5 | 1.1 | 2.9 | 10.2 | 118.3 |
| AC | <LD | 0.7 | 2.5 | 9.4 | 96.8 |
| Percent closed sides | |||||
| <100% | <LD | 0.8 | 1.5 | 6.2 | 118.3 |
| 100% | <LD | 1.0 | 2.7 | 7.9 | 96.8 |
| Smoking bans | |||||
| Smoking policy for customers | |||||
| No smoking | <LD | 0.6 | 1.0 | 2.4 | 9.1 |
| Smoking in specific areas | 0.5 | 0.9 | 1.9 | 6.3 | 74.1 |
| Smoking anywhere | 0.5 | 1.7 | 5.2 | 15.0 | 118.3 |
| Smoking policy for workers | |||||
| No smoking | <LD | 0.8 | 1.5 | 3.8 | 74.1 |
| Smoking in specific areas | 0.5 | 1.2 | 5.2 | 14.6 | 118.3 |
| Smoking anywhere | 0.6 | 2.3 | 6.2 | 21.0 | 83.6 |
| Effectively implemented smoking ban policies | |||||
| All nonsmoking | <LD | 0.6 | 1.0 | 2.0 | 73.2 |
| All smoking | 0.5 | 7 | 5.1 | 14.7 | 118.3 |
| Mixed | 0.5 | 0.9 | 2.5 | 8.2 | 54.7 |
Note. <LOD = under limit of detection (0.03 μg/m3).