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Table 1 Rank assignment method used for screening the chemical compounds

From: Multiphasic screening of priority chemical compounds in drinking water by process control and human health risk

 

No

Low

Moderate

High

Concentration

Ci ≤ 0.1Cs

0.1Cs < Ci ≤ 0.5Cs

0.5Cs < Ci ≤ Cs

Ci > Cs

Accumulation index

AI ≤ 0

0 < AI ≤ 25%

25% < AI ≤ 50%

AI > 50%

Purification index

3

2B

2A

1

Hazard index

HI ≤ 0.01

0.01 < HI ≤ 0.1

0.1 < HI ≤ 1

HI > 1

Carcinogenic risk

CR ≤ 10−6

10−6 < CR ≤ 10−5

10−5 < CR ≤ 10−4

CR > 10−4