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Pearson’s correlation between dehydrogenase activity (DHA) and either oil degrading bacteria (MPN) or total petroleum hydrocarbon degradation (TPH).
| Treatment | Correlation coefficient (r) |
|
|---|---|---|
| DHA vs. MPN | DHA vs. TPH | |
| Natural attenuation | 0.83⁎⁎ | 0.65⁎⁎ |
| Biostimulation | 0.72⁎⁎ | 0.65⁎⁎ |
| Bioaugmentation | 0.9⁎⁎ | 0.82⁎⁎ |
Correlation is significant at the 0.01 level of probability.
