Table 1 Heavy metal concentrations in soil samples obtained from several industrial sites in Borg El-Arab, Egypt, and their spatial distribution (in ppm)
From: Tracing industrial pollution: unveiling environmental health via insects’ biomarkers
Area | Cd (ppm) | Cr (ppm) | Cu (ppm) | Zn (ppm) |
|---|---|---|---|---|
Cont | 1.25 ± 0.05c | 27 ± 1.41b | 1.45 ± 0.07b | 351.5 ± 14.84b |
Ind. 1 | 1.55 ± 0.09b | 14.5 ± 3.53c | 1.15 ± 0.06c | 298 ± 5.65c |
Ind. 2 | 1.45 ± 0.07c | 23.5 ± 3.4b | 1.45 ± 0.05b | 228.5 ± 4.94d |
Ind. 3 | 4.5 ± 0.14a | 44.5 ± 5.2a | 1.75 ± 0.07a | 1468.5 ± 16a |