Table 3.
Quantification of targeted contaminants in the Mgeni and Msunduzi Rivers.
| Target Analytes | Mgeni River | Msunduzi River | ||||||
|---|---|---|---|---|---|---|---|---|
| River Water (ng/L) | Sediments (ng/g) | River Aater (ng/L) | Sediments (ng/g) | |||||
| No. of Samples = 24 | No. of Samples = 48 | No. of Samples = 14 | No. of Samples = 28 | |||||
| Range | Median | Range | Median | Range | Median | Range | Median | |
| Salicylic acid | ND–D | D | ND–40 | 1.4 | ND | ND | ND–3.43 | 0.28 |
| Acetylsalicylic acid | ND–1130 | 70 | ND–200 | 32 | ND–D | D | ND–163 | 8.0 |
| Ibuprofen | ND–2570 | 3870 | ND–13 | 2.3 | ND–D | D | ND–1.3 | 0.50 |
| Propylparaben | ND–D | D | ND–13 | 1.1 | ND–22,000 | 7000 | ND–31 | 5.0 |
| Phenacetin | ND–68,300 | 2300 | ND–0.32 | 0.15 | ND–2170 | 10 | ND–0.67 | 0.30 |
| Caffeine | ND–D | D | ND–128 | 2.0 | ND–15,000 | 4500 | ND–89 | 1.9 |
| Naproxen | ND–59,000 | 2300 | ND–15 | 0.98 | ND–2380 | 580 | ND–D | D |
| Triclosan | ND–5000 | 2000 | ND–79 | 3.3 | ND–20,000 | 2500 | ND–43 | 4.9 |
| Meclofenamic acid | ND–23,800 | 4201 | ND–4.0 | 0.98 | ND | ND | ND–2.8 | 1.0 |
| Diclofenac | ND–1010 | 370 | ND–3.75 | 0.91 | ND | ND | ND–8.0 | 1.9 |
| Carbamazepine | ND–D | D | ND–12 | 1.3 | ND–D | D | ND–4.7 | 2.0 |
| Chloramphenicol | ND–D | D | ND–5.0 | 0.54 | ND–D | D | ND–19 | 5.0 |
ND = not detected, D = detected.