Table 2 Description of input variables in the model to estimated the potential dose, according the exposure scenarios
From: Risk assessment of PM2.5 to child residents in Brazilian Amazon region with biofuel production
Input variables | N | Mean | SD | Minimum | Maximum | Distribution |
|---|---|---|---|---|---|---|
Concentration (μg/m 3 ) | ||||||
Dry | 76 | 41.9 | 31.1 | 5.9 | 130.0 | Lognormal |
Rainy | 53 | 9.5 | 1.8 | 5.3 | 16.0 | |
Inhalation Rate (m 3 /day) | ||||||
Dry and Rainy | 221 | 15.0 | 4.2 | 8.0 | 27.0 | Gamma |
Body Weight (kg) | ||||||
Dry and Rainy | 221 | 36.0 | 13.4 | 17.0 | 82.0 | Gamma |
Exposure Time (ET) | ||||||
Dry and Rainy | - | - | - | 0.16 | 0.33 | Uniform |
Exposure Frequency (EF) | ||||||
Dry | 76 | Constant | ||||
Rainy | 56 | |||||
Exposure Duration (ED) | ||||||
Dry | 0.67 | Constant | ||||
Rainy | 0.33 | |||||
Average Time (AT) | ||||||
Dry | 122 | Constant | ||||
Rainy | 60 | |||||