Heavy metal (µg/dL) | Control Mean ± SD n, 10 | Workers at Safaga | Workers at El-Hamrawein | Workers at El-Quseir | ||||||
Age of 20 to 30 (year) | Age of 30 to 40 (year) | Age of 40 to 50 (year) | Age of 20 to 30 (year) | Age of 30 to 40 (year) | Age of 40 to 50 (year) | Age of 20 to 30 (year) | Age of 30 to 40 (year) | Age of 40 to 50 (year) | ||
As | 0.046 ± 0.011 | 0.076 ± 0.015 | 0.121 ± 0.019 | 0.128 ± 0.039 | 0.077 ± 0.007 | 0.116 ± 0.032 | 0.123 ± 0.040 | 0.078 ± 0.021 | 0.149 ± 0.016 | 0.152 ± 0.008 |
Cd | 0.086 ± 0.021 | 0.164 ± 0.027 | 0.162 ± 0.023 | 0.192 ± 0.060 | 0.181 ± 0.011 | 0.204 ± 0.018 | 0.224 ± 0.054 | 0.171 ± 0.025 | 0.194 ± 0.027 | 0. 214 ± 0.023 |
Pb | 0.362 ± 0.068 | 0.994 ± 0.105 | 1.244 ± 0.027 | 1.662 ± 0.180 | 0.882 ± 0.161 | 1.218 ± 0.075 | 1.196 ± 0.227 | 0.868 ± 0.077 | 1.121 ± 0.088 | 1.068 ± 0.171 |