Research Article
An Investigation for Heavy Metals’ Contamination in Farmers’ Fingernails: Case Study in Libya
Table 9
Concentrations of Cd, Pb, and As in fingernails of farmers in various plantation groups.
| Heavy metal | Concentration levels of studied heavy metals (µgg−1) | Vegetable farmer (N = 59) | Fruit farmer (N = 30) | Grain farmer (N = 38) | -value |
| As | 3.832 ± 1.703 | 2.971 ± 1.451 | 1.785 ± 0.712 | | Cd | 10.697 ± 3.664 | 9.046 ± 3.157 | 6.528 ± 3.934 | | Pb | 12.911 ± 2.558 | 12.004 ± 1.958 | 8.317 ± 4.674 | |
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( ): results are expressed as mean ± SD. N: number of participants. |