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Article
Effect of Location and Shielding on Gamma Radiation Background in Low Level Gamma Ray Spectrometry
Ambient gamma radiation levels due to natural and anthropogenic sources play an important role in low level gamma spectrometric measurements of different sample matrices. Minimum detection level (MDL) of a hig...
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Article
Proficiency in Determining 134Cs and 137Cs in Aquatic Samples Using Gamma Spectrometry
Participation in proficiency tests is an essential part of quality assurance activities for any laboratory involved in radiation metrology. Radioanalytical laboratory, Health Physics Division, BARC, regularly ...
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Article
Advance Radiation Metrology Techniques and Related Applications
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Article
Gross Alpha Activity Measurements: Investigating the Crucial Role of Self-Absorption Correction Factors
The detection and measurement of radionuclides are indispensable processes, crucially guided by particle and photon emission mechanisms. Regulatory agencies and policymakers demand precise measurements to ensu...
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Article
Preparation of Indigenous Radioactive Air Filter Standard for Gamma Spectrometry
Gamma spectrometry technique is regularly used for the quantification of different gamma-emitting radionuclides in environmental matrices and other synthetic samples. This is a non-destructive comparative tech...
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Article
Evolution of Analytical Methods for Radon Measurement in India
This paper discusses the different methods and instruments followed in India for the estimation of 222Rn, 220Rn, and their progeny. Radon concentration is either directly measured from radon alpha or its progeny ...
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Article
Disequilibrium studies using 210Po/210Pb ratio in top soil in the mineralized region of East Singhbhum, Jharkhand, India
Present study evaluates distribution of 210Pb and 210Po in soil around uranium mineralized region of East Singhbhum district, Jharkhand, India. The overall median activity concentration of 210Pb and 210Po in soil...
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Spatial Distribution of Uranium and Its Associated Water Quality Parameters (Drinking/Ground Water) in Raigad District of Maharashtra
The present study investigates the concentration of naturally occurring uranium levels and associated water quality parameters of drinking/groundwater samples from Raigad District of Maharashtra. The water sam...
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Article
A study on natural radioactivity and potential of 222Rn, 220Rn exhalation from Deccan table land of Kolhapur district, Maharashtra, India
In this study, an investigation has been carried out on the potential of radon, thoron and natural radioactive content by collecting soil samples from the Deccan land of Kolhapur district, India. The mean valu...
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Article
Assessment of radon concentration and external gamma radiation level around a high background radiation area (HBRA), Odisha, India and its radiological significance
Present study gives a brief account of the atmospheric radon concentration, gamma absorbed dose rate and radiation dose received by the members of public residing in a coastal HBRA, Chatrapur, Odisha, India. T...
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Article
On the radiological assessment of natural and fallout radioactivity in a natural high background radiation area at Odisha, India
Natural and fallout radioactivity were estimated in surface soil samples collected around a natural high background radiation area (NHBRA) at Odisha, India using high resolution gamma ray spectrometry. Radiolo...
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Article
Applying INAA to assess dietary intake of elements through fish from coastal areas near Vishakhapatnam, India
Essential and toxic element concentrations were measured in fish from coastal areas of Pudimadaka near Vishakhapatnam by neutron activation analysis. Elemental concentrations were observed to be within guideli...
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Article
Characterization of uranium and its progenies in drinking water and assessment of dose to public around a NHBRA, Odisha, India
Present work deals with the distribution study of naturally occurring radioactive materials in drinking water samples around Orissa sands complex, Odisha, India and assessment of the comprehensive ingestion do...
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Article
Assessment of ingestion dose due to radioactivity in selected food matrices and water near Vizag, India
Activity concentrations of 238U, 232Th, 226Ra, 40K and 137Cs were measured in milk, egg, fruit and fish samples collected around a proposed site for setting up nuclear facilities, near Vishakhapatanam. The activi...
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Article
Distribution of radionuclides in surface soils, Singhbhum Shear Zone, India and associated dose
Gamma emitters were estimated in surface soils from a mineralized zone in Eastern India using high purity Germanium detector-based high resolution gamma spectrometry system. Activities of 238U, 226Ra, 232Th, 235U...
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Article
Natural radioactivity in surface marine sediments near the shore of Vizag, South East India and associated radiological risk
Naturally occurring radioactive materials were determined in surface sediments from the marine environment near the shore of Vizag in the South eastern part of India using gamma spectrometry technique. The mea...
