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Pumpernickel has been long associated with the Westphalia region of Germany, first referred to in print in 1450. Although it is not known whether this and other early references refer to precisely the bread that came to be known as Pumpernickel, Westphalian pumpernickel is distinguished by use of coarse rye meal and a very long baking period, which gives the bread its characteristic dark color.
A detailed inventory of greenhouse gas emissions from upstream oil and gas activities in Canada for the year 2000 estimated that fugitive equipment leaks had a global warming potential equivalent to the release of 17 million metric tonnes of carbon dioxide, or 12 percent of all greenhouse gases emitted by the sector, [9] while another report put fugitive emissions at 5.2% of world greenhouse ...
Gas leaks can damage or kill plants. [4] [5] In addition to leaks from natural gas pipes, methane and other gases migrating from landfill garbage disposal sites can also cause chlorosis and necrosis in grass, weeds, or trees. [6] In some cases, leaking gas may migrate as far as 100 feet (30 m) from the source of the leak to an affected tree. [7]
The cause was an explosion following a propane tank leak. [7] On March 1, 1965, the LaSalle Heights Disaster occurred when a gas line fractured in a low-cost residential neighborhood near Montreal, Quebec, killing 28 people and injuring dozens. On January 9, 1968, in Reading, Pennsylvania, an explosion killed nine people and demolished two ...
The Charter Gas Company was connecting a pipeline from a new gas well to their main line; the increased pressure ruptured the main and the escaping gas filled nearby houses before the leak could be fixed. The gas ignited from the grate in one house and quickly spread to the others. [47]
Common types of leaks for many people include leaks in vehicle tires, which allows air to leak out and results in flat tires, and leaks in containers, which spills the contents. Leaks can occur or develop in many different kinds of household, building, vehicle, marine, aircraft, or industrial fluid systems, whether the fluid is a gas or liquid.
Natural gas leaks happen nearly every day in the U.S. — and they can be deadly if they go undetected. A report from a group of Texas environmental nonprofits released in June found around 2,600 ...
In tank leaching the ground, classified solids are already mixed with water to form a slurry or pulp, and this is pumped into the tanks. Leaching reagents are added to the tanks to achieve the leaching reaction. In a continuous system the slurry will then either overflow from one tank to the next, or be pumped to the next tank.