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Effective dose assessment for works in caves in the Czech Republic: experiments with passive radon detectors

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F70565813%3A_____%2F08%3A%230000146" target="_blank" >RIV/70565813:_____/08:#0000146 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Effective dose assessment for works in caves in the Czech Republic: experiments with passive radon detectors

  • Original language description

    The new RAMARN system for radon volume activity measurement was developed in 2003 and since this year it has been used. RAMARN system consists of a plastic chamber of conical form with 0,5 l of capacity and a detector Kodak LR 115 that is located on thebottom of this diffusion chamber. The size was chosen to avoid the influence of deposited decay products of radon. Kodak has a spektrometric charakter - the traks are visualized only for Alpha particles with energies between 1 and 3 MeV, that touch the foil. Thus the effective volume has a lens shape. The response therefore sorresponds to diffused radon and half of 218 Po born by radon gas decay. The experiments were conducted as one part of a routine methodology control, focused on classifying worker irradiation from natural ionizing radiation sources in show caves and in caves used for speleology.

  • Czech name

    Ohad efektivní dávky pro pracovníky jeskyní České republiky: esperimenty s pasivními detektory

  • Czech description

    Nový stopový detektor RAMARN pro měření objemové aktivity radonu byl vyvinut v roce 2003 a od té doby je používán. Detektor RAMARN sestává z platikové nádoby kónického tvaru o objemu 0,5 l a detektoru Kodak LR 115, který je umístěn na dně difisní komůrky. Velikost byla zvolena kvůli možnému vlivu depozice přeměnových produktů radonu. Kodak má spektrometrické vlastnosti - stopy jsou vizualizovány jen pro alfa částice o energii mezi 1MeV a 3 MeV

Classification

  • Type

    A - Audiovisual production

  • CEP classification

    DN - Environmental impact on health

  • OECD FORD branch

Result continuities

  • Project

  • Continuities

    Z - Vyzkumny zamer (s odkazem do CEZ)

Others

  • Publication year

    2008

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • ISBN

  • Place of publication

  • Publisher/client name

  • Version

  • Carrier ID