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Table 3 Non-carcinogenic risk HQ, HI value of heavy metals and carcinogenic risk R value of As due to consumption of maize by deterministic estimation method

From: Potentially toxic element (PTE) levels in maize, soil, and irrigation water and health risks through maize consumption in northern Ningxia, China

 

Non-carcinogenic risk (HQ)

 

Carcinogenic risk (R)

Cd

Pb

Cr

Zn

Cu

As

HI

As

All

0.0048

0.0109

0.0002

0.0071

0.0033

0.0725

0.0986

3.261E-05

Male

0.0041

0.0093

0.0002

0.0061

0.0028

0.0623

0.0848

2.804E-05

Female

0.0055

0.0127

0.0002

0.0083

0.0038

0.0845

0.1150

3.802E-05

< 20

0.0071

0.0162

0.0003

0.0106

0.0049

0.1081

0.1472

4.864E-05

20 ~ 40

0.0044

0.0100

0.0002

0.0065

0.0030

0.0664

0.0904

2.987E-05

40 ~ 60

0.0049

0.0112

0.0002

0.0073

0.0034

0.0748

0.1018

3.366E-05

> 60

0.0025

0.0057

0.0001

0.0037

0.0017

0.0378

0.0514

1.700E-05

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