Measurements of natural radioactivity in soil of Fraser’s Hill, Pahang, Malaysia

Ahmad Sanadi Abu Bakar

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Type :	article
Subject :	General Works History General and Old World
Main Author :	Ahmad Sanadi Abu Bakar
Additional Authors :	Zaini Hamzah Ahmad Saat
Title :	Measurements of natural radioactivity in soil of Fraser’s Hill, Pahang, Malaysia

Place of Production :	Shah Alam, Selangor
Publisher :	AIP Publishing
Year of Publication :	2017
Corporate Name :	Universiti Teknologi MARA
Web Link :	Click to view web link
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Abstract : Universiti Teknologi MARA

Surface soils of 2 cm depth were sampled at developed and undeveloped areas in Fraser’s Hill, Pahang, Malaysia. Thirty one (31) locations were collected and 226Ra, 232Th and 40K activity concentrations were measured using HPGe Gamma Counting System. The mean radium equivalent activity concentration (Raeq) for the sampled area was 463.37 Bq/kg. The Undeveloped area was found to have higher mean of Raeq compared to Developed area. The mean Raeq for each area was found to be 614.07 Bq/kg and 354.53 Bq/kg respectively. The external hazard index (Hex) were calculated and found to have a mean of 1.251. Undeveloped area was found to have higher mean of 1.658 compared to developed area with a mean of 0.957. Many locations were found to have Hex higher than 1.000.

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