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) was a British passenger liner that sank in the North Atlantic Ocean in the early morning of 15 April 1912, after colliding with an iceberg during her maiden voyage from Southampton to New York City.Of the estimated 2,224 passengers and crew aboard, more than 1,500 died, making it one of the deadliest commercial peacetime maritime disasters in modern history., Cs-137), cesium-137, or radiocaesium, is a radioactive isotope of caesium which is formed as one of the more common fission products by the nuclear fission of uranium-235 and other fissionable isotopes in nuclear reactors and nuclear weapons.It is among the most problematic of the short-to-medium-lifetime fission products because it easily moves and spreads in nature due to the high water solubility of caesium's most common chemical compounds, which are salts. The remainder directly populates the ground state of barium-137, which is stable.Nonetheless, most of the radioactivity in the sediments of the Baltic Sea originates from naturally occurring radionuclides.At present the radioactivity in the sediments is not expected to cause harmful effects to the Baltic Sea wildlife.

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The distribution pattern of Cs-137, the radionuclide of main radiological significance in the Chernobyl deposition, is patchy due the uneven deposition and sediment accumulation to the bottoms.A high-power radiotelegraph transmitter was available for sending passenger "marconigrams" and for the ship's operational use.Although Titanic had advanced safety features such as watertight compartments and remotely activated watertight doors, there were not enough lifeboats to accommodate all of those aboard, due to outdated maritime safety regulations.) were determined in sediment from several fresh water lakes in the New York State Adirondack Preserve.Included were Big Moose and Darts Lakes, part of the North Branch of the Moose River system, as well as North, Sagamore, South, and Woods Lakes and the ‘seepage pond’, Tamarack Lake.

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