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Abstract

Research & Development in Material Science

Annual Inhalation Dose of Indoor Radon and Thoron in Mizoram, India

  • Open or CloseChhangte LZ1*, Zoliana B2, Sahoo BK3, Sapra BK3, Pachuau Z4 and Zirlianngura5

    1Department of Physics, Govt. Zirtiri Residential Science College, Aizawl, Mizoram, India

    2Department of Electronics, Govt. Zirtiri Residential Science College, Aizawl, Mizoram, India

    3Radiological Physics and Advisory Division, Bhabha Atomic Research Centre, Mumbai, India

    4Department of Physics, Mizoram University, Aizawl, Mizoram, India

    5Department of Chemistry, Govt. Zirtiri Residential Science College, Aizawl, Mizoram, India

    *Corresponding author:Chhangte LZ, Department of Physics, Govt Zirtiri Residential Science College, Aizawl, Mizoram, India

Submission: February 03, 2021;Published: March 05, 2021

DOI: 10.31031/RDMS.2021.15.000852

ISSN : 2576-8840
Volume15 Issue1

Abstract

Annual inhalation dose of indoor radon and thoron have been measured using Solid State Nuclear Track Detector (LR-115 type-ІІ) based Twin Cup Dosimeter with single entry and Direct Progeny Sensors (DPS) in Mizoram, which has the highest lung cancer incidence rates among males and females in India. The measurement was carried out in 50 dwellings selected primarily from the background gamma radiation level measured using Micro-R survey meter and the construction type of the building. The annual inhalation dose of indoor radon and thoron are found to be 1870.68±10μSv/y and 631.7±4μSv/y respectively which are higher than the global average values but within the ICRP recommendation

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