Most of the reports of bioremediation by inoculations have been on pesticides and hydrocarbon constituents of oil. There are several reports indicating that inoculation of microorganisms successfully enhanced degradation of organic chemicals in natural waters. For example, a hydrocarbon-degrading bacterium obtained from an estuary significantly enhanced the degradation of oil spilled into a saline pond. Addition of oil-degrading bacteria to seawater also degraded a substantial part of the crude oil that was added to water.
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