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WebTHE SIGNIFICANCE OF MEASUREMENT OF RADON-22O(THORON) IN HOMES P. Kotrappa and J. Dempsey Rad Elec Inc. 5330 J Spectrum Drive Frederick, MD 21701 ABSTRACT Radon-222 (also known as radon) is a relatively long-lived isotope of radon and originates from uranium present in the earth's crust. Radon-220 (also known as thoron) is a short-lived WebMar 18, 2024 · Elevated levels of radon and thoron in the indoor atmosphere may cause the deleterious effects on the mankind. Mining sites and their environs attract a special … pick up mitsubishi 2021
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