Heterotrophic systems may be of different size and complexity such as an island, most cities, an oyster reef or a sewage treatment plant.
Similarly, virtually every major industrialized city, town, and village on earth has its own sewage treatment plant.
Mean values of these parameters were compared in infected and uninfected chub from both on site sewage treatment plant experiments and field exposures.
However, he should know that my constituents are concerned about a sewage treatment plant which is not yet in existence.
The analogy is apt in that such smells have great similarity to the healthy sewage treatment plant.
This takes no account of the purification effected by the sewage treatment plant.
An agreement night be a more flexible—and therefore more suitable—method of providing in advance for phased expansion of a factory, with corresponding expansion of the local authority's sewage treatment plant.
The base also has a sewage treatment plant.
