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The following Radiological protection instruments can be used to detect and measure ionizing radiation: Ionization chambers; Gaseous ionization detectors; Geiger counters; Photodetectors; Scintillation counters; Semiconductor detectors
Safecast is an international, volunteer-centered organization devoted to open citizen science for environmental monitoring.Safecast was established by Sean Bonner, Pieter Franken, and Joi Ito shortly after the Fukushima Daiichi nuclear disaster in Japan, following the TÅhoku earthquake on 11 March 2011 and manages a global open data network for ionizing radiation and air quality monitoring.
The company is based in Sweetwater, Texas and was founded in 1962 by Don Ludlum (1932-2015) who had previously worked for Eberline, another manufacturer of radiation detectors. [1] Geiger counters manufactured by the company are recognized as a standard reference instrument in the fields of occupational safety where exposure to ionizing ...
AFTAC's nuclear event-detection mission is directly linked to its nuclear treaty-monitoring mission. AFTAC monitors signatory countries' compliance with the 1963 Limited Test Ban Treaty . This treaty prohibits nuclear testing above the Earth's surface and prohibits the venting of nuclear debris or radiation from tests into the atmosphere ...
The output of the radiation detector is a random sequence of pulses, usually processed by some form of "ratemeter," which continuously estimates the rate at which the detector is responding to the radioactivity deposited on the filter medium. There are two fundamental types of ratemeters, analog and digital.
Background radiation is a measure of the level of ionizing radiation present in the environment at a particular location which is not due to deliberate introduction of radiation sources. Background radiation originates from a variety of sources, both natural and artificial.
Unprotected experiments in the U.S. in 1896 with an early X-ray tube (Crookes tube), when the dangers of radiation were largely unknown.[1]The history of radiation protection begins at the turn of the 19th and 20th centuries with the realization that ionizing radiation from natural and artificial sources can have harmful effects on living organisms.
The filter paper is static and is measured in situ by a radiation detector. The filter is a slowly moving strip and is measured by a radiation detector. These are commonly called "moving filter" devices and automatically advance the filter to present a clean area for accumulation, and thereby allow a plot of airborne concentration over time.