Variable | Exposure category | n | No. <LOQ | % <LOQ | Min | Lower quartile | Median | Upper quartile | Max |
---|---|---|---|---|---|---|---|---|---|
LOQ, limit of quantitation. | |||||||||
Benzene in air | High | 114 | 0 | 0 | 6.1 | 75.7 | 252 | 864 | 6630 |
Moderate | 38 | 0 | 0 | 1.4 | 4.0 | 7.4 | 32.5 | 1850 | |
Low | 140 | 1 | 0.7 | <1.0 | 2.2 | 3.1 | 4.8 | 61.3 | |
Benzene in breath, pre-exposure | High | 111 | 19 | 17.1 | <1.5 | 2.6 | 4.6 | 8.2 | 30.4 |
Moderate | 44 | 3 | 6.8 | <1.5 | 3.7 | 5.8 | 9.3 | 25.2 | |
Low | 151 | 23 | 15.2 | <1.5 | 2.9 | 4.7 | 7.4 | 104 | |
Benzene in breath, end of exposure | High | 107 | 0 | 0 | 2.3 | 8.4 | 13.7 | 29.2 | 365 |
Benzene in breath, post-exposure | High | 114 | 2 | 1.8 | <1.5 | 6.5 | 11.4 | 24.4 | 153 |
Moderate | 41 | 3 | 7.3 | <1.5 | 3.6 | 9.0 | 20.3 | 58.1 | |
Low | 143 | 11 | 7.7 | <1.5 | 3.1 | 4.6 | 7.8 | 49.9 |