Evaluation of natural radioactivity and its associated health hazard indices of a south Indian river

2013 ◽  
Vol 162 (3) ◽  
pp. 364-374 ◽  
Author(s):  
N. Krishnamoorthy ◽  
S. Mullainathan ◽  
R. Mehra ◽  
M. A. E. Chaparro ◽  
M. A. E. Chaparro
Keyword(s):  
Natural Radioactivity ◽  
Health Hazard ◽  
Hazard Indices ◽  
South Indian ◽  
Health Hazard Indices ◽  
Indian River

Natural radioactivity and radiological health hazard assessment of chemical fertilizers in Viet Nam

2018 ◽  
Vol 316 (1) ◽  
pp. 111-117 ◽  
Author(s):  
Truong Thi Hong Loan ◽  
Vu Ngoc Ba ◽  
Nguyen Van Thai Bang ◽  
Truong Huu Ngan Thy ◽  
Huynh Thi Yen Hong ◽  
...  
Keyword(s):  
Hazard Assessment ◽  
Natural Radioactivity ◽  
Health Hazard ◽  
Viet Nam ◽  
Chemical Fertilizers ◽  
Radiological Health

Estimation of radiation hazard indices from natural radioactivity of some rocks

2006 ◽  
Vol 17 (2) ◽  
pp. 118-122 ◽  
Author(s):  
A ABBADY ◽  
N AHMED ◽  
A ELARABI ◽  
R MICHEL ◽  
A ELKAMEL ◽  
...  
Keyword(s):  
Natural Radioactivity ◽  
Radiation Hazard ◽  
Hazard Indices ◽  
Radiation Hazard Indices

scholarly journals Assessment of Natural Radioactivity Levels and Radiation Hazards for Soil Samples Used in Erbil Governorate, Iraqi Kurdistan

2019 ◽  
Vol 7 (1) ◽  
pp. 34 ◽  
Author(s):  
Zakariya A. Hussein
Keyword(s):  
Natural Radioactivity ◽  
Gamma Spectroscopy ◽  
Health Hazard ◽  
Natural Radionuclides ◽  
Soil Samples ◽  
Radiation Hazard ◽  
Lifetime Cancer Risk ◽  
Iraqi Kurdistan ◽  
Activity Concentrations ◽  
Radium Equivalent

In this work, the activity concentrations of natural radionuclides 226Ra, 232Th and 40K in soil samples from Erbil governorate, Iraqi Kurdistan were investigated by a gamma-spectroscopy system based on high-purity germanium (HPGe) detector. This is to assess the dose of radionuclides exposure to the population, knowing the health risks and to have a baseline for future changes in the environmental radioactivity. It was found that the activity concentrations of 226Ra, 232Th and 40K were ranged from (14.6 ± 1.6 to 38.2 ± 2.8 Bq.kg-1),  (4.5 ± 1.4 to 52.4 ± 5.8 Bq.kg-1) and ( 302.8 ± 12.6 to 388.6 ± 12.8 Bq.kg-1), respectively. The measured activity concentrations for these radionuclides were compared with the reported data of other countries and with the worldwide average activity of soil. Radium equivalent activities, absorbed dose rate, excess lifetime cancer risk and the values of hazard indices were calculated for the measured samples to assess the radiation hazard of the natural radioactivity in all samples to the people. It was concluded that the radium equivalent activities of the studied samples are below the internationally accepted values. These results show that annual effective dose absorbed via occupant from activity construction of soil samples used in the under place is below 1.0 mSv.y-1. It is concluded that the assessment radioactivity of soil are within acceptable levels and does not pose any health hazard to the population.

scholarly journals NORM waste, cements, and concretes. A review

2021 ◽  
Vol 71 (344) ◽  
pp. e259
Author(s):  
F. Puertas ◽  
J. A. Suárez-Navarro ◽  
M. M. Alonso ◽  
C. Gascó
Keyword(s):  
Natural Radioactivity ◽  
Industrial Waste ◽  
Building Materials ◽  
Raw Materials ◽  
Health Hazard ◽  
Sustainable Construction ◽  
Steel Mill ◽  
Portland Cements ◽  
Iron And Steel ◽  
By Products

The use of industrial waste and/or by-products as alternative sources of raw materials in building materials has become standard practice. The result, more sustainable construction, is contributing to the institution of a circular economy. Nonetheless, all necessary precautions must be taken to ensure that the inclusion and use of such materials entail no new health hazard for people or their environment. Due to the processes involved in generating industrial waste/by-products, these alternative or secondary materials may be contaminated with heavy metals, other undesirable chemicals or high levels of natural radioactivity that may constrain their use. In-depth and realistic research on such industrial waste is consequently requisite to its deployment in building materials. This paper reviews the basic concepts associated with radioactivity and natural radioactivity, focusing on industrial waste/by-products comprising Naturally Occurring Radioactive Materials (NORM) used in cement and concrete manufacture. Updated radiological data are furnished on such waste (including plant fly ash, iron and steel mill slag, bauxite and phosphogypsum waste) and on other materials such as limestone, gypsum and so on. The paper also presents recent findings on radionuclide activity concentrations in Portland cements and concretes not bearing NORMs. The role of natural aggregate in end concrete radiological behaviour is broached. The radiological behaviour of alternative non-portland cements and concretes, such as alkali-activated materials and geopolymers, is also addressed.

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