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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