Will Bristol's beaches and rivers be contaminated by the 75, 000 litres of chemicals left in the wastewater per fracking operation?
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In recent years, some reports have suggested that tap water could be contaminated by trace amounts of pharmaceuticals or other substances.
But on Tuesday, India joined the frey and banned food imports over fears they may be contaminated by radiation from tsunami-hit reactors.
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Ouseburn Farm, formerly known as Byker Farm, was forced to close in 2002 when its land was found to be contaminated by the old Victorian lead works it is built on.
But councillors in Bath fear the water courses which supply the springs in the World Heritage city could be contaminated by the process, or that water could change direction through new fractures in the rock.
The virus is passed from dog to dog and can be contracted by contaminated dog faecal matter.
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The wheat is being cultivated in small squares, surrounded by other plants which will be checked to see if they are contaminated by the wheat.
The highly contagious virus can be spread by contact with contaminated surfaces or objects, contact with a person who has the infection or through contaminated food and water.
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Are you referring to the clear theme of my article that objective climate science can be (and undoubtedly is) contaminated by sponsor agendas?
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Google gives data for the share of the devices connecting to Google Play that have large screens, but this is global, may not be a good sample and is contaminated by poor reporting (for example, at least one Samsung device changed the screen size it reported after a software update).
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Vitamin B-12 deficiency can also be caused by a tapeworm ingested from contaminated fish, because the tapeworm saps nutrients from your body.
The danger posed by eating contaminated fish cannot be ruled in or out at this point.
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Norovirus can be spread through contact with contaminated surfaces or objects, by contact with an infected person, or by the consumption of contaminated food or water.
It goes on to say that although the precise mechanism by which the food came to be contaminated cannot be established, "the outbreak revealed a failure of routine hazard control systems within the kitchen".
Increased groundwater abstraction, for example, may be needed in areas with unsustainable or contaminated surface water resources caused by droughts and floods.
It can be spread by putting something in the mouth that had been contaminated with traces of faecal matter from an infected person, even if it appeared clean.
The study concluded that rare steak can be produced safely provided that food poisoning bacteria are not reintroduced by contaminated utensils.
Estimated to be around the size of Texas, this contaminated area of ocean has by some estimates more plastic than food for marine life.
The report says people living near incinerators may be exposed to a range of toxic chemicals, by breathing in contaminated air, eating food which has been contaminated, or by skin contact with affected soil.
These innovative solutions entail reusing most of the water to frack additional wells so that ultimately, contaminated materials are reduced to a tiny fraction by volume so that it can be safely delivered to hazardous waste disposal facilities.
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