Table 1 Exposure dose and health risk of cultivable airborne bacteria and inhalable airborne bacteria in Beijing’s urban area
| Â | Group | \(\overline{d }\) per breath (CFU) | Daily STI (CFU/person) | \(\frac{{HI}_{dust}}{{HI}_{non-dust}}\) | ||||
|---|---|---|---|---|---|---|---|---|
BD | DD | AD | BD | DD | AD | |||
Cultivable bacteria | Men | 0.09 | 22.63 | 1.43 | 45033.05 | 11729284.49 | 741522.38 | 1.42 |
Women | 0.07 | 18.54 | 1.17 | 36891.48 | 9608735.88 | 607461.84 | 1.42 | |
Children | 0.04 | 9.72 | 0.61 | 19336.22 | 5036302.94 | 318393.79 | 1.42 | |
Inhalable bacteria | Men | 0.05 | 15.37 | 0.75 | 24018.19 | 7967625.26 | 390276.50 | 1.54 |
Women | 0.04 | 12.59 | 0.62 | 19675.92 | 6527150.64 | 319718.04 | 1.54 | |
Children | 0.02 | 6.60 | 0.32 | 10312.90 | 3421127.23 | 167576.35 | 1.54 | |