TABLE 4.
Cancer risk assessment using mean concentrations of 4-CP and 2,4-DCP of samples.
| Sample | ADD | RfD | HQ | SF | CR | Comment |
| 4-CP | ||||||
| WWTP influent | 6.15 × 10−7 | 3.00 × 10−1 | 2.05 × 10−6 | 1.10 × 10−2 | 6.76 × 10−9 | Non-carcinogenic adverse effect |
| WWTP effluent | 1.58 × 10−7 | 3.00 × 10−1 | 5.28 × 10−7 | 1.10 × 10−2 | 1.74 × 10−9 | Non-carcinogenic adverse effect |
| BW A | 2.35 × 10−5 | 3.00 × 10−1 | 7.82 × 10−5 | 1.10 × 10−2 | 2.58 × 10−7 | Non-carcinogenic adverse effect |
| BW B | 3.61 × 10−5 | 3.00 × 10−1 | 1.20 × 10−4 | 1.10 × 10−2 | 3.97 × 10−7 | Non-carcinogenic adverse effect |
| BW C | 3.40 × 10−5 | 3.00 × 10−1 | 1.13 × 10−4 | 1.10 × 10−2 | 3.74 × 10−7 | Non-carcinogenic adverse effect |
| BW D | 3.34 × 10−5 | 3.00 × 10−1 | 1.11 × 10−4 | 1.10 × 10−2 | 3.67 × 10−7 | Non-carcinogenic adverse effect |
| Tap water | 1.01 × 10−4 | 3.00 × 10−1 | 3.35 × 10−4 | 1.10 × 10−2 | 1.11 × 10−6 | Non-carcinogenic adverse effect |
| 2,4-DCP | ||||||
| WWTP influent | 7.24 × 10−8 | 3.00 × 10−1 | 2.41 × 10−7 | 1.10 × 10−2 | 7.96 × 10−10 | Non-carcinogenic adverse effect |
| WWTP effluent | 1.17 × 10−8 | 3.00 × 10−1 | 3.91 × 10−8 | 1.10 × 10−2 | 1.29 × 10−10 | Non-carcinogenic adverse effect |
| BW A | 5.84 × 10−5 | 3.00 × 10−1 | 1.95 × 10−4 | 1.10 × 10−2 | 6.42 × 10−7 | Non-carcinogenic adverse effect |
| BW B | 7.9 × 10−5 | 3.00 × 10−1 | 2.66 × 10−4 | 1.10 × 10−2 | 8.79 × 10−7 | Non-carcinogenic adverse effect |
| BW C | 2.69 × 10−5 | 3.00 × 10−1 | 8.97 × 10−5 | 1.10 × 10−2 | 2.96 × 10−7 | Non-carcinogenic adverse effect |
| BW D | 1.02 × 104 | 3.00 × 10−1 | 3.40 × 10−4 | 1.10 × 10−2 | 1.12 × 10−6 | Non-carcinogenic adverse effect |
| Tap water | 9,67 × 10−5 | 3.00 × 10−1 | 3.22 × 10−4 | 1.10 × 10−2 | 1.06 × 10−6 | Non-carcinogenic adverse effect |
HQ > 1 indicates a carcinogenic adverse effect; HQ < 1 connotes non-carcinogenic adverse effect; BW: bottled water; ADD: average daily dose; RfD: reference dose; HQ; hazard quotient; SF: Slope Factor and CR: cancer risk. Bold values indicate the sectioning of the tables.