Table 3.
Pearson correlation coefficients among heavy metals concentrations of leachate samples collected from sanitary landfills in Alexandria, Egypt.
| Heavy metals | Nickel | Lead | Copper | Manganese | Chromium | Cadmium | Zinc | Iron |
|---|---|---|---|---|---|---|---|---|
| n = 6 | r (p-Value) | r (p-Value) | ||||||
| Nickel | ||||||||
| Lead | −.132 | |||||||
| Copper | .941 | .185 | ||||||
| (.001⁎) | ||||||||
| Manganese | −.021 | −.260 | −.041 | |||||
| Chromium | .670 | .541 | .730 | −.219 | ||||
| Cadmium | .962 | .134 | .601 | −.403 | .083 | |||
| (.021⁎) | ||||||||
| Zinc | −.217 | −.209 | −.086 | .985 | −.351 | −.253 | ||
| (.000⁎) | ||||||||
| Iron | −.316 | −.382 | −.205 | .362 | −.594 | −.690 | .397 |
⁎
Correlation is significant at p ⩽ 0.05.