Research on Phthalic Acid Esters Removal and Its Health Risk Evaluation by Combined Process for Secondary Effluent of Wastewater Treatment Plant

Table 2

PAEs’ health risk calculating table.

Calculating parameters	Values	Note
Concentration of the pollutants 𝐶 (mg/L)	(μ, σ)	Follow Gaussian distributions
Reference dose mg/(kg·d)	RfD	By mouth
Exposure volume at one time 𝑉 (mL)	100
Exposure times per year (𝑛)	40
Average body weight (kg)	70
Average lifespan (a)	70
Average exposure dose per unit of body mass	𝑑 = (𝑛 × 𝑉 × 10^−3  × 𝐶)/365 × 70
Lifelong health risk 𝑃	𝑃 = 𝑑 × 10^−6/RfD
Individual health risk Pa	Pa = 𝑃/70
Maximum acceptable risks [9]	1.0×10^−6