Assessment of Radionuclides in the Savannah River Site Environment Summary

Carlton, W.H.

doi:10.2172/4786

Cited by 4 publications

(8 citation statements)

References 1 publication

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“…Doses are also reported yearly in the annual environmental reports. Phase III results differ from previously published SRS results (Carlton 1998) and these differences are discussed here. Throughout this report, the term 'SRS dose' refers to doses estimated by SRS personnel contained within the Environmental Dosimetry Group.…”

contrasting

confidence: 71%

“…For an adult using maximum parameters over the same time period the dose was estimated by Carlton (1998) to be 77 mrem. Atmospheric pathway dose estimated by ATL for the adult male was 250 mrem.…”

Section: Dose Comparison For 'Child Born In 1955 Outdoors Person' Scementioning

confidence: 99%

“…Since H-3, Ar-41 and I-131 are considered the largest contributors to dose, these are compared in Table 3 as taken from the ATL report and from Carlton (1998). This comparison was performed for the adult male since this serves as a better comparison of actual doses.…”

Section: Dose Comparison For 'Child Born In 1955 Outdoors Person' Scementioning

confidence: 99%

“…Referring to Carlton (1998) the MEI dose over the same period from liquid releases was 140 mrem. This comparison is further broken down by principal radionuclides (according to ATL) and this comparison is shown in Table 11.…”

Section: Dose Comparison With 'Delivery Person Adult'mentioning

confidence: 99%

“…These results have also been summarized in one document by Carlton (1998). Doses are also reported yearly in the annual environmental reports.…”

mentioning

confidence: 96%

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Technical Review of SRS Dose Reconstrruction Methods Used By CDC

Simpkins¹

2005

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contrasting

confidence: 71%

Section: Dose Comparison For 'Child Born In 1955 Outdoors Person' Scementioning

confidence: 99%

Section: Dose Comparison For 'Child Born In 1955 Outdoors Person' Scementioning

confidence: 99%

Section: Dose Comparison With 'Delivery Person Adult'mentioning

confidence: 99%

“…These results have also been summarized in one document by Carlton (1998). Doses are also reported yearly in the annual environmental reports.…”

mentioning

confidence: 96%

See 3 more Smart Citations

Technical Review of SRS Dose Reconstrruction Methods Used By CDC

Simpkins¹

2005

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The development and use of a spatially explicit model for river otters to evaluate environmental hazards: a case study on the Department of Energy’s Savannah River Site

McCallen

Gaines

Novak

et al. 2018

Environ Monit Assess

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The Department of Energy's (DOE) Savannah River Site (SRS) faces a legacy of radionuclide and metal contamination from industrial processes that occurred throughout the site. Northern river otters (Lontra canadensis) are appropriate receptors for studying the effects of long-term, low-level contamination because they are long-lived, higher trophic level organisms susceptible to accumulating high levels of pollutants. The purpose of this study was to use latrine surveys to examine patterns of wetland latrine usage; explicitly model northern river otter resource selection on the landscape level; and utilize the model results within an ecological risk assessment (ERA) framework to assess potential effects of metals and radiocesium (Cs) on the population for the SRS as a case study. River drainages and associated wetlands were surveyed for latrine sites and scats were collected and analyzed for Cs activity to validate model results. The spatially explicit resource model predicted otter drainage reach use and was used in an ERA to develop exposure models for nine heavy metals as well asCs on the SRS population of river otters. The evaluation predicted that the only contaminant occurring at high enough levels to cause population effects was mercury and that the observed concentrations were probably not high enough to cause significant impairment. However, multiple metals were above action level thresholds. The field validation process showed an unexpected preference for one man-made treatment wetland that was heavily contaminated, showing that the ERA process is complex and must be approached using multiple scales.

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Predicted cumulative dose to firefighters and the offsite public from natural and anthropogenic radionuclides in smoke from wildland fires at the Savannah River Site, South Carolina USA

Viner

Jannik

Hepworth

et al. 2018

Journal of Environmental Radioactivity

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The contaminated ground surface at Savannah River Site (SRS) is a result of the decades of work that has been performed maintaining the country's nuclear stockpile and performing research and development on nuclear materials. The volatilization of radionuclides during wildfire results in airborne particles that are dispersed within the smoke plume and may result in doses to downwind firefighters and the public. To better understand the risk that these smoke plumes present, we have characterized four regions at SRS in terms of their fuel characteristics and radiological contamination on the ground. Combined with general meteorological conditions describing typical and extreme burn conditions, we have simulated potential fires in these regions and predicted the potential radiological dose that could be received by firefighting personnel and the public surrounding the SRS. In all cases, the predicted cumulative dose was a small percent of the US Department of Energy regulatory limit (0.25 mSv). These predictions were conservative and assumed that firefighters would be exposed for the duration of their shift and the public would be exposed for the entire day over the duration of the burn. Realistically, firefighters routinely rotate off the firefront during their shift and the public would likely remain indoors much of the day. However, we show that even under worst-case conditions the regulatory limits are not exceeded. We can infer that the risks associated with wildfires would not be expected to cause cumulative doses above the level of concern to either responding personnel or the offsite public.

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Assessment of Radionuclides in the Savannah River Site Environment Summary

Cited by 4 publications

References 1 publication

Technical Review of SRS Dose Reconstrruction Methods Used By CDC

Technical Review of SRS Dose Reconstrruction Methods Used By CDC

The development and use of a spatially explicit model for river otters to evaluate environmental hazards: a case study on the Department of Energy’s Savannah River Site

Predicted cumulative dose to firefighters and the offsite public from natural and anthropogenic radionuclides in smoke from wildland fires at the Savannah River Site, South Carolina USA

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