Radioactivity in the Kuwait marine environment — Baseline measurements and review

Uddin, Saif; Aba, A.; Fowler, Scott W.; Behbehani, Montaha; Ismaeel, Anfal; Al-Shammari, Hanadi; Alboloushi, Aishah; Mietelski, Jerzy W.; Al-Ghadban, A.N.; Al-Ghunaim, Aws; Khabbaz, A. Al; Al-Boloushi, Omar

doi:10.1016/j.marpolbul.2015.10.018

Cited by 43 publications

(13 citation statements)

References 40 publications

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“…Based on the comparison, it shows that the 226 Ra, 232 Th and 40 K concentration in fish samples is lower than the reported values in Kuwait and Nigeria and highest than the reported values in Pakistan, India, Poland, China and Hong Kong. The results reported in Kuwait are slightly matched with the present results, may because we have same region to collect the samples [9].…”

Section: Resultssupporting

confidence: 89%

“…After the war 1991 in Iraq, a lot of studies were conducted focusing on the natural radioactivity in sediments, soils, surface water and food products around oil and gas producing areas. However, a very few number of research were conducted regarding the fish from Shatt Al-Arab River south Iraq [9]. Fish remains as an important part in the diet of the Iraqi.…”

Section: Introductionmentioning

confidence: 99%

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Natural radionuclides in six selected fish consumed in south Iraq and their committed effective doses

2018

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Section: Resultssupporting

confidence: 89%

Section: Introductionmentioning

confidence: 99%

Natural radionuclides in six selected fish consumed in south Iraq and their committed effective doses

2018

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“…Evidence is emerging to suggest these effluent streams contain a range of biological and chemical contaminants with potential endocrine disrupting and antimicrobial resistance properties (Al-Jandal et al, 2018;Al-Sarawi et al, 2018;Saeed et al, 2017;Saeed et al, 2015;Smith et al, 2015). This has raised concern over the threat so called, 'emerging' contaminants may pose (Al-Sarawi et al, 2018;Saeed et al, 2017) including the potential impact of radionucleotides (Uddin et al, 2015). Marine litter (including microplastics) is also another area with a paucity of published data for Kuwait.…”

Section: Environmental Pollutionmentioning

confidence: 99%

Principles to enable comprehensive national marine ecosystem status assessments from disparate data: The state of the marine environment in Kuwait

Lyons

Bacon

Edmonds

et al. 2019

Estuarine, Coastal and Shelf Science

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This is a PDF file of an article that has undergone enhancements after acceptance, such as the addition of a cover page and metadata, and formatting for readability, but it is not yet the definitive version of record. This version will undergo additional copyediting, typesetting and review before it is published in its final form, but we are providing this version to give early visibility of the article. Please note that, during the production process, errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain.

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“…12 Hasilpenelitian ini, didapatkan rentang aktivitas penelitian ini komparabel apabila dibandingkan dengan nilai aktivtas 226 Ra di pesisir utara Semenanjung Malaysia,yaitu sebesar 51 Bq/kg 20 , dan di pesisir Pulau Xiamen, China yaitu sebesar 7,9 sampai dengan 25,7 Bq/kg (25) . Penelitian serupa yang dilakukan di barat laut Teluk Kuwait mendapatkan aktivitas 226 Ra yang lebih rendah dari hasil penelitian ini, yaitu berkisar antara 17,3 -23,1 Bq/kg (26,27) .…”

Section: Hasil Dan Pembahasanunclassified

Penilaian Dampak Bahaya Radiologis terhadap Radionuklida Natural di Pesisir Pulau Bengkalis

Makmur

Prihatiningsih

Yahya

2019

JKLI

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Latar belakang : Radionuklida natural ditemukan hampir di semua media lingkungan, dan di lingkungan laut terdeteksi cukup tinggi karena adanya proses erosi, pelapukan dan daur ulang mineralyang mengalami perpindahan melalui badan air. Radionuklida natural tersebutdapat berpindah ke berbagai media, termasuk ke manusia melalui rantai makanan.Penelitian ini dilakukan untuk memberikan informasi dasar mengenai tingkat radioaktivitas di lingkungan perairan laut di Pesisir Pulau Bengkalis dan melakukan penilaian dampak bahaya radiologis melalui aktivitas ekuivalen radium (Raeq) dan indeks bahaya eksternal (Hex)serta laju dosis eksternal dari radionuklida natural.Metode: Metode deskriptif digunakan dalam penelitian ini dan metode pengambilan sample sedimen menggunakan metode purposive sampling. Sampelsedimen dikumpulkan dari 6 titik pengambilan sampel di pesisir Pulau Bengkalis, menggunakan sediment grab. Sampel kemudian dikeringkan dan dihomogenkan kemudian ditimbang sebanyak 1 kg. Pengukuran aktivitas radionuklida dilakukan menggunakan spektrometri gama dengan waktu cacah selama 3 hari. Aktivitas 226Ra ditentukan berdasarkan emisi sinar gamma 214Pb dan 214Bi. Aktivtias 232Th ditentukan berdasarkan emisi 212Pb dan 228Ac dan 40K ditentukan dari emisi pada 1461,8 keV. Hasil analisis akan digunakan untuk menghitung dampak radiologis di lingkungan mengunakan ekuivalen aktivitas radium dan indeks bahaya eksternal.Hasil: Aktivitas rata-rata berturut turut 56,45 ; 31,34 ; 26,04 ; 33,19 ; 30,00 dan 185,49 Bq/kg untuk radio nuklida226Ra, 212Pb, 214Pb, 214Bi, 228Ac dan 40K. Aktivitas terukur mempunyai kisaran nilai yang berdekatan dengan pengukuran di beberapa negara.Penghitungan nilai aktivitas ekuivalen radium (Raeq) berkisar dari 82,61 - 138 Bq/kg dan tidak melebihi nilai yang ditetapkan oleh ICRP (1990) dan OECD (179) yaitu sebesar 370 Bq/kg. Nilai indeks bahaya eksternal (Hex) masih dibawah 1, dengan nilai rata rata sebesar 0,31, dan laju dosis dari radionuklida natural sebesar 37,175 nGy/h.Simpulan:Aktivitas radionuklida natural di pesisirPulauBengkalismempunyai kisaran nilai yang berdekatan dengan pengukuran di beberapa Negara. Nilai aktivitas ekuivalen radium (Raeq) Yang terukur tidak melebihi nilai yang ditetapkan oleh ICRP (1990) dan OECD (179). Nilai indeks bahaya eksternal (Hex) masih dibawah 1, dan laju dosis yang diserap lingkungan dari radionuklida natural masih dibawah nilai rata rata dunia. Dengan demikian, dapat disimpulkan bahwa parameter radiologis radionuklida natural dalam sedimen di pesisir Pulau Bengkalis berada dalam batas yang dapat diterima. AbstractTitle : --Background: Natural radionuclides are found in almost all environmental media, and in the marine compartment have been detected relative high due to the process of erosion, weathering and recycling of minerals that come trough the water bodies. Radionuclides can move to various media, including to the humans through the food chain. This research was conducted to provide baseline information about the activity of radioactivity in the marine environment of the Bengkalis Island Coast and conduct radiological hazard impact assessments through equivalent radium (Raeq) and external hazard index (Hex) and external dose rates of natural radionuclides.Method: Descriptive methods were used in this study and the sediment sampling method used a purposive sampling method. Sediment samples were collected from 6 sampling points on the coast of Bengkalis Island, using sediment grab. The samples were then dried, homogenized and weighed 1 kg. Measurement of radionuclide activity was carried out using gamma spectrometry with counting time for 3 days. The 226Ra activity is determined based on 214Pb and 214Bi gamma ray emissions. The 232Th activity was determined based on 212Pb and 228Ac and 40K emissions determined from emissions at 1461.8 keV. The results of the analysis will be used to calculate the radiological impact in the environment using equivalent radium activity and external hazard index.Results: The average activity are 56.45; 31.34; 26.04; 33.19; 30.00 and 185.49 Bq/kg for radionuclides 226Ra, 212Pb, 214Pb, 214Bi, 228Ac and 40K respectively. The value of this activity comparable withthe activities in several countries.The calculation of radium equivalent activity (Raeq) values ranges from 82.61 - 138 Bq / kg and does not exceed the value 370 Bq / kg by ICRP (1990) and OECD (179). The external hazard index value (Hex) is still below 1, with an average value of 0.31, and the dose rate of natural radionuclides is 37,175 nGy / h.Conclusion: Natural radionuclide activity on the coast of Bengkalis Island has a range of values adjacent to measurements in several countries. The measured value of radium (Raeq) activity does not exceed the value set by ICRP (1990) and OECD (179). The external hazard index value (Hex) is still below 1, and the absorbed dose rate of natural radionuclides is still below the world average value. Thus, it can be concluded that the radiological parameters of natural radionuclides in sediments on the coast of Bengkalis Island are within acceptable limits.

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Radioactivity in the Kuwait marine environment — Baseline measurements and review

Cited by 43 publications

References 40 publications

Natural radionuclides in six selected fish consumed in south Iraq and their committed effective doses

Natural radionuclides in six selected fish consumed in south Iraq and their committed effective doses

Principles to enable comprehensive national marine ecosystem status assessments from disparate data: The state of the marine environment in Kuwait

Penilaian Dampak Bahaya Radiologis terhadap Radionuklida Natural di Pesisir Pulau Bengkalis

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