Estimated dose to man from uranium millling via the beef/milk food-chain pathway

Rayno, Donald R.

doi:10.1016/0048-9697(83)90078-5

Cited by 12 publications

(7 citation statements)

References 54 publications

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“…Evidence exists that uranium mining activities can result in increased radionuclide uptake in humans via consumption of milk and cattle grazing near contaminated mining/milling facilities [17,18]. Further evidence suggests that living around hazardous waste sites that contain long‐lived radionuclides may result in greater risk for the development of certain types of cancer [19,20].…”

Section: Discussionmentioning

confidence: 99%

Distribution of uranium‐238 in environmental samples from a residential area impacted by mining and milling activities

McConnell

Ramanujam

Alcock

et al. 1998

Enviro Toxic and Chemistry

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Abstract-The northern region of Karnes County, Texas, USA, has been the site of extensive mining/milling of uranium for over 30 years. A previous study in our laboratory indicates that residents living near these facilities have increased chromosomal aberrations and a reduced DNA repair capacity. In this study, the long-lived radionuclides uranium-238 ( 238 U) and thorium-232 ( 232 Th) were measured in order to evaluate the extent of contamination from mining/milling facilities. 232 Th was quantified simultaneously and served as a reference. Soil samples (n ϭ 70) were collected from the yards of previously studied households and adjacent areas near former mining and mining/milling sites at the surface and 30 cm subsurface. Additionally, samples from drinking water wells (n ϭ 6) were collected from selected households. Sites located over 14 km from the study area with no known history of mining/milling served as the control. In the control area, 238 U concentrations in soil were consistent between surface (0.13-0.26 mg/kg) and subsurface (0.13-0.23 mg/kg) samples. Near mining/milling sites, 238 U in surface soil (0.34-15.71 mg/kg) was found to be consistently and statistically higher (p Ͻ 0.05) than corresponding subsurface samples (0.17-2.11 mg/kg). Near mining-only areas, 238 U in surface soil (1.11-1.97 mg/kg), however, was not significantly increased over subsurface soil (0.96-1.68 mg/kg). As expected, 238 U was much higher overall in the mining/milling and mining-only areas compared to the control sites. No trends were detected in the distribution of 232 Th. The concentration of 238 U was up to six times higher in a drinking water well near a former mining/milling operation, indicating possible leaching into the groundwater, while 232 Th concentrations were low and uniform. Furthermore, lead isotope ratio analysis indicates contamination from the interstate shipping of ore by rail to and from a mining/ milling facility. These data indicate contamination of the environment by the mining/milling activities in a residential area.

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Section: Discussionmentioning

confidence: 99%

Distribution of uranium‐238 in environmental samples from a residential area impacted by mining and milling activities

McConnell

Ramanujam

Alcock

et al. 1998

Enviro Toxic and Chemistry

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“…Ng et al (1977) recommend an F m value of 2.6 Â 10 À4 d L À1 based on six balance studies of linked milk and vegetation with a range in F m value of 1.3 Â 10 À5 -7.7 Â 10 À4 d L À1 for stable Pb (assuming 10 kg d À1 (DW) intake) and two radioisotope studies which resulted in values for F m of 2.4 Â 10 À5 and 9.1 Â 10 À6 d L À1 . Rayno (1983) reported ranges in F m value of 2.0 Â 10 À6 e1.2 Â 10 À4 d L À1 based on five studies; McDowell-Boyer et al (1980) reported a mean F m value of 1.0 Â 10 À4 d L À1 based on 14 values, ranging from 2.0 Â 10 À6 to 4 Â 10 À4 d L À1 ; and Watson (1983) reported a mean F m of 1.2 Â 10 À4 d L À1 based on five studies which ranged from 1.8 Â 10 À6 to 4.0 Â 10 À4 d L À1 .…”

Section: Natural Radionuclidesmentioning

confidence: 97%

“…When they fed contaminated hay, the F m value for skimmed milk was 4.0 Â 10 À4 e7.0 Â 10 À4 d L À1 at 8e13 days after dosing commenced (Kirchman et al, 1972). Values given in various reviews (Rayno, 1983;McDowellBoyer et al, 1980;Ng et al, 1977) are generally at, or close to, 4.0 Â 10 À4 d L À1 and nearly all rely largely on Sansom and Garner (1966) or Kirchman et al (1972). The model proposed in Morgan and Beetham (1990) suggests an F m value of 1.3 Â 10 À3 d L À1 , which is above the range reported above.…”

Section: Natural Radionuclidesmentioning

confidence: 99%

Review of Russian language studies on radionuclide behaviour in agricultural animals: part 2. Transfer to milk

Fesenko

Howard

Исамов

et al. 2007

Journal of Environmental Radioactivity

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An overview of original information available from Russian language papers on radionuclide transfer to milk is provided. Most of the data presented have not been taken into account in international reviews. The transfer coefficient (F(m)) values for radioactive isotopes of strontium, caesium and iodine are in good agreement with those previously published. The Russian language data, often based on experiments with many animals, constitute a considerable increase to the available data for many less well-studied radionuclides. In some instances, the Russian language data suggest changes in recommended values (e.g. Zr and Ru). The information presented here substantially increases the amount of available data on radionuclide transfer to milk and will be included in the current revision of the IAEA TRS Handbook of parameter values for radionuclide transfer.

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“…The transfer of 226 Ra, 228 Ra and 210 Pb in the soilforage-milk-plant system is one of the main internal exposure routes in man, due to the consumption of milk and dairy products [27].…”

Section: Natural Radionuclides In the Human Bodymentioning

confidence: 99%

Analysis of legal responsibility for natural radioactive anomaly in the wild semi-arid region of Pernambuco

Fernandes¹,

Alexandre²,

Carvalho³

et al. 2020

IJAERS

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High concentrations of uranium-238 ( 238 U) and thorium-232 ( 232 Th) were found in rocks of the natural radioactive anomaly existing in the cities of Pedra and Venturosa located in the State of Pernambuco. The studies were carried out in a technical partnership between the former company NUCLEBRÁS and CPRM, in 1975. After exhaustive prospecting studies, the anomaly was considered economically unfeasible for mining. Although the anomaly was considered economically unviable, the inhabitants of the municipalities of Pedra and Venturosa are subject to high levels of natural radiation. In Brazil, the exploration of radioactive ores is the responsibility of the Union, and the National Nuclear Energy Commission (CNEN) is responsible for the management of such resources, with the Nuclear Industries of Brazil (INB) being responsible for mining activities. In CNEN regulations there are no radiological protection measures that must be adopted in the case of natural radioactive anomalies considered economically unfeasible. Thus, and within this context, the present study aimed to research, within the scope of Brazilian legislation, the legal responsibility for the natural radioactive anomaly of the cities of Pedra and Venturosa. For that, a bibliographic review search was used in the specialized literature. The results obtained showed that, legally, CNEN is responsible for the natural radioactive anomaly located between the cities of Pedra and Venturosa, and, therefore, it must adopt mitigation measures of radiological protection in the area where the anomaly is located.

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Estimated dose to man from uranium millling via the beef/milk food-chain pathway

Cited by 12 publications

References 54 publications

Distribution of uranium‐238 in environmental samples from a residential area impacted by mining and milling activities

Distribution of uranium‐238 in environmental samples from a residential area impacted by mining and milling activities

Review of Russian language studies on radionuclide behaviour in agricultural animals: part 2. Transfer to milk

Analysis of legal responsibility for natural radioactive anomaly in the wild semi-arid region of Pernambuco

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