Table 4 Target hazard quotient (THQ) and TTHQ in the Egyptian daily intake rate of fish (62.13 g/person/day), about the consumption of heavy metals once a week or 7 times a week through the muscles of O. niloticus collected from two basins of Mariout Lake.

From: Trace minerals, antioxidant defense, and safe consumption of Nile tilapia: insights from ecological variability in lake Mariout, Egypt

Fish intake from two basins

Non-cancer risk (THQ)

Once a week

7 times a week

Cu

Zn

Fe

TTHQ

Cu

Zn

Fe

TTHQ

Basin. 1 15 kg

0.037

0.009

0.512

0.558

0.261

0.068

3.58×

3.909×

Basin 0.2 15 kg

0.021

0.00778

0.684

0.712

0.147

0.054

4.792×

4.993×

Basin. 1 40 kg

0.014

0.0036

0.192

0.2096

0.098

0.025

1.34×

1.463×

Basin 0.2 40 kg

0.001

0.00097

0.145

0.1469

0.01

0.006

1.018×

1.034×

Basin. 1 70 kg

0.008

0.002

0.1098

0.1198

0.05

0.014

0.76

0.824

Basin 0.2 70 kg

0.0007

0.00043

0.065

0.066

0.005

0.003

0.45

0.458

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