Table 1.
Calculation parameters of quantitative microbial risk assessment.
| Description | Unit | Value | Reference | ||
|---|---|---|---|---|---|
| Exposure concentrations (ec) | log10CFU/m3 | Supplementary materials Table 1 | – | ||
| Breathing rate (br) | L/min | Uniform distribution (Min = 9.8; Max = 13.0) | MEP-PRC, 2013 | ||
| Exposure time (t) | min | Uniform distribution (Min = 8; Max = 20) | According to the field survey in this research. | ||
| Aerosol ingestion rate (ag) | Unitless | Supplementary Materials Table 2 | – | ||
| Removal fraction by employing PPE (FPPE) | Unitless | Uniform distribution (Min = 0.95; Max = 0.99) | Haas et al., 2017 | ||
| Annual exposure frequency (n) | Number of times | 183 | According to the field survey in this research. | ||
| Staphylococcus aureus bioaerosol | Exponential dose–response model (dose–infection model) | k | Unitless | Uniform (Min = 6.46E−8; Max = 1.00E−7) | Esfahanian et al., 2019 |
| Prevalence | Pill/inf | Unitless | 1 | Busgang et al., 2018 | |
| Health burden (HB) | DALYs/case | 2.60E-3 | Havelaar et al., 2012 | ||
| Escherichia coli bioaerosol | Beta-Poisson dose–response model (dose–infection model) | α | Unitless | 1.55E-01 | Shi et al., 2018 |
| N50 | Unitless | 2.11E+06 | Shi et al., 2018 | ||
| Exponential dose–response model (dose–illness model) | k | Unitless | 1.22E-08 | Shi et al., 2018 | |
| Health burden (HB) | DALYs/case | 4.55E-2 | Shi et al., 2018 | ||