Experimental Evaluation of the Fallout Radiation Protection Provided by Selected Structures in the Los Angeles Area

Burson, Z.G.

doi:10.2172/4759582

Cited by 4 publications

(4 citation statements)

References 1 publication

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“…The results of this investigation were found to be in agreement with a variety of large scale experiments preformed with both the tube and source method and Mobile Radiological Measuring Unit (MRMU) during the, 1960s, and 1970s (Strickler and Auxier 1960, Borella and Burson 1961, Burson 1962, 1963. This MRMU employed a single moving radioactive Co 60 source hydraulically pumped through polyethylene tubing.…”

Section: Resultssupporting

confidence: 75%

Contaminant deposition building shielding factors for US residential structures

2015

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This paper presents validated building shielding factors designed for contemporary US housing-stock under an idealized, yet realistic, exposure scenario from contaminant deposition on the roof and surrounding surfaces. The building shielding factors are intended for use in emergency planning and level three probabilistic risk assessments for a variety of postulated radiological events in which a realistic assessment is necessary to better understand the potential risks for accident mitigation and emergency response planning. Factors are calculated from detailed computational housing-units models using the general-purpose Monte Carlo N-Particle computational code, MCNP5, and are benchmarked from a series of narrow- and broad-beam measurements analyzing the shielding effectiveness of ten common general-purpose construction materials and ten shielding models representing the primary weather barriers (walls and roofs) of likely US housing-stock. Each model was designed to scale based on common residential construction practices and include, to the extent practical, all structurally significant components important for shielding against ionizing radiation. Calculations were performed for floor-specific locations from contaminant deposition on the roof and surrounding ground as well as for computing a weighted-average representative building shielding factor for single- and multi-story detached homes, both with and without basement as well for single-wide manufactured housing-unit.

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Section: Resultssupporting

confidence: 75%

Contaminant deposition building shielding factors for US residential structures

2015

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“…A collection of lightweight, in-use, single family residences (80 to 250 m 2 footprint) were studied using Co-60 roof and ground sources [46], [47]. The exterior wall material ranged from wood siding, Cemesto panels (Figure B10), stucco, and concrete block.…”

Section: Single Family Residencesmentioning

confidence: 99%

Building Protection Against External Ionizing Fallout Radiation

Dillon

Homann

2016

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“…13 Building protection can vary considerably from building to building, at different locations within a given building, and at different times from detonation [1]. For example, single story, lightly constructed buildings such as wood or vinyl sided frame homes, offer limited protection (PF ≈ 2 to 3); e.g., [25], [26]; whereas the inner portions of large, multi-story concrete or masonry office buildings can offer excellent protection (PF > 100); e.g. [27], [28].…”

Section: Location Populationmentioning

confidence: 99%

“…For example, single story, lightly constructed buildings such as wood or vinyl sided frame homes, offer limited protection (PF ≈ 2 to 3); e.g., [25], [26]; whereas the inner portions of large, multi-story concrete or masonry office buildings can offer excellent protection (PF > 100); e.g. [27], [28]. Basements, in general, offer adequate or better protection (PF ≥ 10), e.g.…”

Section: Location Populationmentioning

confidence: 99%

Regional Shelter Analysis Methodology

Dillon¹,

Dennison²,

Kane³

et al. 2015

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The fallout from a nuclear explosion has the potential to injure or kill 100,000 or more people through exposure to external gamma (fallout) radiation. Existing buildings can reduce radiation exposure by placing material between fallout particles and exposed people.Lawrence Livermore National Laboratory was tasked with developing an operationally feasible methodology that could improve fallout casualty estimates. The methodology, called a Regional Shelter Analysis, combines the fallout protection that existing buildings provide civilian populations with the distribution of people in various locations. The Regional Shelter Analysis method allows the consideration of (a) multiple building types and locations within buildings, (b) country specific estimates, (c) population posture (e.g., unwarned vs. minimally warned), and (d) the time of day (e.g., night vs. day). The protection estimates can be combined with fallout predictions (or measurements) to (a) provide a more accurate assessment of exposure and injury and (b) evaluate the effectiveness of various casualty mitigation strategies. This report describes the Regional Shelter Analysis methodology, highlights key operational aspects (including demonstrating that the methodology is compatible with current tools), illustrates how to implement the methodology, and provides suggestions for future work.

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Experimental Evaluation of the Fallout Radiation Protection Provided by Selected Structures in the Los Angeles Area

Cited by 4 publications

References 1 publication

Contaminant deposition building shielding factors for US residential structures

Contaminant deposition building shielding factors for US residential structures

Building Protection Against External Ionizing Fallout Radiation

Regional Shelter Analysis Methodology

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