Table 2 The utilized parameters in the current risk investigation.

Metals concentration

C

ppm

–

Ingestion rate

IR

L/day

2.2

1.8

^60,61

Exposure frequency

EF

days/year

350

350

^60,61

Average time (carcinogenic)

AT

days

25,550

25,550

^60,61

Average time (non-carcinogenic)

AT

days

10,950

2190

^69,70

Exposure duration

ED

years

70

6

^60,61

Body weight

BW

kg

70

15

^60,61

Surface area

SA

cm²

18,000

6600

^60,61

Conversion factor

CA

L cm^− 3

1 E−3

1 E−3

Permeability coefficient

K_p

cm/h

Exposure time

ET

h/day

0.58

1

^60,61