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The Walkerton E. coli outbreak was the result of a contamination of the drinking water supply of Walkerton, Ontario, Canada, with E. coli and Campylobacter jejuni bacteria. . The water supply was contaminated as a result of improper water treatment following heavy rainfall in late April and early May 2000, that had drawn bacteria from the manure of nearby cattle used to fertilize crops into ...
The Ministry of the Environment, Conservation and Parks is an Ontario government ministry responsible for protecting and improving the quality of the environment in the Canadian province of Ontario, as well as coordinating Ontario's actions on climate change. [1] This includes administration of government programs, such as Ontario's Drive Clean ...
Multilevel Groundwater Monitoring Systems, also referred to as Multi-Depth Groundwater Monitoring Systems, Multilevel Systems (MLSs), or Engineered Nested Wells, are engineered technologies installed in single boreholes above and/or below the water table to obtain data from different depth intervals. The technologies may consist of various ...
The Natural Resources is a government ministry of the Canadian province of Ontario that is responsible for Ontario's provincial parks, forests, fisheries, wildlife, mineral aggregates and the Crown lands and waters that make up 87 per cent of the province. Its offices are divided into Northwestern, Northeastern and Southern Ontario regions with ...
Nested well and well cluster (adapted from Johnson [1983]) Nested wells, also referred to as nested monitoring wells, are composed of multiple tubes or pipes, typically terminating with short screened intervals (2–3 ft), installed in single boreholes. Sand packs must be installed at the screen depths and seals in the borehole are constructed ...
The Ontario Archives was not returned to a solid footing until the late 1940s under Helen McClung. [4] The Archives moved to the Canadiana Building (14 Queen's Park Crescent West) on the University of Toronto campus in 1951, at which time it was known as the Department of Public Records and Archives.
Tricone rock bit. Well drilling is the process of drilling a hole in the ground for the extraction of a natural resource such as ground water, brine, natural gas, or petroleum, for the injection of a fluid from surface to a subsurface reservoir or for subsurface formations evaluation or monitoring. Drilling for the exploration of the nature of ...
The Oil Museum of Canada, is a petroleum heritage museum in Oil Springs, Ontario, Canada.The museum is located on the site where James Miller Williams dug the first commercial oil well on the continent in 1858.