Sentence examples for background level of radiation from inspiring English sources

The fall-out reaching Scandinavia was only twice the natural background level of radiation.

American officials say instruments can detect levels so vanishingly small — far below the natural background level of radiation — that they pose no threat.

The normal background level of radiation, which varies by altitude, averages about 0.02 millirems an hour in New York, one ten-thousandth of the amount radiating from the surface of the pillow.

One ml aliquots in 1.5 ml microfuge tubes were placed at 37°C in the dark without shaking, either in the cell incubator with the background level of radiation or in a radiation field of 0.05 mGy/hr created by 188Re/188W isotope generator.

The cell concentration was adjusted to 105 cells/ml, 1 mL samples of each strain were placed in 1.5 mL Eppendorf tubes (4 samples per time point) and subjected either to the background level of radiation or to a radiation field of 0.05 mGy/hr created by 188Re/188W isotope generator for up to 30 hr at 30°C.

For others living farther from the accident, in Western Europe, for example, their average exposure was equivalent to an additional ≤50% of average annual natural background level of radiation.

Pascal Wyse He looks like a guy who has come to check background levels of radiation, not play a gig.

In her letter published June 25 ["Even Background Levels of Radiation Are Harmful"], Miriam Goodman assumes, incorrectly, that I am uninformed about potential health hazards of low-level radiation.

There is no scientific justification for Ms. Goodman's assertion in her letter ["Even 'Background' Levels of Radiation Are Harmful," June 25] that "very low doses of background radiation probably account for 25percentt or more of a vast group of afflictions that occur because of inherited predisposition".

There are now more than 2,600 genetic diseases on record, any one of which may be caused by a radiation-induced mutation, and many of which we're bound to see more of, because we are artificially increasing background levels of radiation.

In theory, drinking water contaminated at 210 becquerels of iodine-131 per litre for a year would cause a very small additional risk of cancer - but in practice nothing much more than you could expect to get from normal background levels of radiation.