Table 3 Reference doses (RfDs) for selected metals (USEPA/WHO)35,37.

From: Human health implications of metal pollution in the Betwa-Yamuna river system, India: evidence from Monte Carlo risk modelling

Metal

RfD, mg/kg/day

Source

As

0.0003

USEPA

Cd

0.001

USEPA

Pb

0.0035

WHO/USEPA

Cu

0.04

WHO

Fe

0.7

WHO

Mn

0.14

WHO

Mo

0.005

USEPA

Ni

0.02

USEPA

Zn

0.3

WHO

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