Not exact matches
Chemical toxicity and
radioactivity levels should be kept as low as reasonably achievable
in order to protect the biosphere.
Tests conducted on water being dumped into the Pacific Ocean near the Fukushima nuclear power plant have found
levels of
radioactivity millions of times more than is normal
in water.
State health and environmental regulators have known for decades that at least 62 properties — most
in Niagara County — contain varying degrees of
radioactivity that tested at
levels two to more than 10 times normal for the local environment.
Spills from oil and gas operations can contaminate local water and soil with high
levels of toxic chemicals, salts and
radioactivity, but
in many cases there is insufficient information to determine how long ago the spill occurred and identify its source.
The half - lives (the period
in which
radioactivity halves) of these atoms range up to tens of thousands of years, a feature that led U.S. government regulators to require that the planned high -
level nuclear waste repository at Yucca Mountain
in Nevada isolate spent fuel for over 10,000 years.
While the results did not detect dark matter particles — known as «weakly interacting massive particles» or «WIMPs» — the combination of record low
radioactivity levels with the size of the detector implies an excellent discovery potential
in the years to come.
On 1 April, TEPCO admitted that
levels of
radioactivity in groundwater underneath the facility were 10,000 times the legal limit, mainly as a result of contamination with iodine - 131.
Seven years after the world's worst nuclear accident, vegetation
in parts of Snowdonia and Cumbria still contains high
levels of
radioactivity.
Very high
levels of
radioactivity from radon gas have been found
in abandoned mines used by prospectors
in Southwest England.
The Tokyo Electric Power Company (Tepco), which owns the plant, recorded high
levels of
radioactivity in a drainage ditch that runs to the sea from the tank, but could not detect anything
in the seawater itself.
Geologists say
radioactivity levels can vary across the Marcellus, but the tests taken so far suggest the amount of radioactive material measured
in New York is far higher than
in many other places.
Some forest mushrooms, such as wild porcini, can accumulate dangerous
levels of
radioactivity from the soils they grow
in.
But
in December 2017 the company stated it could not reach the desired
radioactivity level.
The natural
radioactivity of the Marcellus Shale has caused concern since the mid-1980s, when high
levels of radon gas were found
in the basements of homes
in Marcellus, a town
in upstate New York, where the shale reaches the surface.
Treatment plants
in Pennsylvania are accepting Fortuna wastewater with much lower
levels of
radioactivity from the company's wells there, Kessy said, but if plants can't take the higher concentrations, it could be crippling.
The Sellafield nuclear reprocessing plant
in Cumbria is partially closed after unusual
levels of
radioactivity were detected.
In fact, Maine Coast, a seaweed purveyor that regularly tests their products for toxins, found that their products only have background levels of radioactivity even right after the Fukushima event in March 2011 (source
In fact, Maine Coast, a seaweed purveyor that regularly tests their products for toxins, found that their products only have background
levels of
radioactivity even right after the Fukushima event
in March 2011 (source
in March 2011 (source).
Hospitalization may be prolonged; depending on local or state ordinances, cats may need to be kept at the treatment facility for 10 to 14 days until the
level of
radioactivity in their urine and feces decreases to an acceptable
level.
It is this relatively high
level of
radioactivity that requires limited interaction with the pet during their stay
in the Thyro - Cat facility.
The pet therefore has to be kept
in a specially constructed compound until the
radioactivity is reduced to a safe
level.
Store waste
in a well - ventilated space away from your primary living areas, and hold for an additional 2 weeks so natural decay will reduce
radioactivity to background
levels.
It was at Russia's State Atomic Energy Corporation, where it will remain, encased
in steel and concrete, until May 21, 3015, when its
radioactivity diminishes to a safe
level.
If there is a sensible increase
in permitted
radioactivity levels that will help.
The rest of the spent fuel * 96 # % volume is converted
in low
level waste (LLW) that can be handled without expensive precautions and stored safely with no fear of
radioactivity pollution.
These are «fission products» and account for most of the heat and
radioactivity in high -
level waste.
The Council of the EU recently noted that «Radioactive caesium contamination of certain [agricultural] products originating
in the third countries most affected by the Chernobyl accident still exceeds the maximum permitted
levels of
radioactivity laid down
in Regulation (EC) No 733/2008.»
For the purpose of this Exclusion; i) Utilization of Nuclear weapons of mass destruction means the use of any explosive nuclear weapon or device or the emission, discharge, dispersal, release or escape of fissile material emitting a
level of
radioactivity capable of causing incapacitating disablement or death amongst people or animals (including
in connection with Terrorist Activity).
For the purpose of this Exclusion; ii) Utilization of Nuclear weapons of mass destruction means the use of any explosive nuclear weapon or device or the emission, discharge, dispersal, release or escape of fissile material emitting a
level of
radioactivity capable of causing incapacitating disablement or death amongst people or animals (including
in connection with Terrorist Activity).