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Table 1

Parameters used in HQNitrate analysis for three age groups

Parameters usedUnitsDistribution typeAge group
References
ChildrenFemaleMale
Body weight (BW) kg Lognormal 16.68 ± 1.48a 60.40 ± 1.10a 69.55 ± 1.10a Zhai et al. (2017),
Miri et al. (2018),
Ozsvath (2009)  
Daily ingestion rate (IR) L day−1 Uniform Min: 0.3 Min: 1 Min: 1 
Max: 0.5 Max: 1.5 Max: 1.5 
Average lifespan (AT) day Fixed value 2,190 10,950 10,950 
Frequency of exposure (EFRday year−1 Triangular Min: 180 Min: 180 Min: 180 
Mode: 345 Mode: 345 Mode: 345 
Max: 365 Max: 365 Max: 365 
Duration of exposure (ED) year Fixed value 30 30 
Reference oral dosage (RfD0mg kg−1 day−1 Fixed value 0.06 0.06 0.06 
Parameters usedUnitsDistribution typeAge group
References
ChildrenFemaleMale
Body weight (BW) kg Lognormal 16.68 ± 1.48a 60.40 ± 1.10a 69.55 ± 1.10a Zhai et al. (2017),
Miri et al. (2018),
Ozsvath (2009)  
Daily ingestion rate (IR) L day−1 Uniform Min: 0.3 Min: 1 Min: 1 
Max: 0.5 Max: 1.5 Max: 1.5 
Average lifespan (AT) day Fixed value 2,190 10,950 10,950 
Frequency of exposure (EFRday year−1 Triangular Min: 180 Min: 180 Min: 180 
Mode: 345 Mode: 345 Mode: 345 
Max: 365 Max: 365 Max: 365 
Duration of exposure (ED) year Fixed value 30 30 
Reference oral dosage (RfD0mg kg−1 day−1 Fixed value 0.06 0.06 0.06 

aMean ± Standard deviation.

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