Analysis of some nuclear waste management options. Volume II. Appendices

Berman, Lance; Ensminger, D.A.; Giuffre,; Koplik, C.M.; Oston, S.G.; Pollak, George D.; Ross, B.

doi:10.2172/6552794

Cited by 8 publications

(8 citation statements)

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“…If well operation does not perturb the magnitude and direction of the aquifer's interstitial water velocity (i.e., in the case of the "sampling well" discussed in Section 2.2), the lateral dispersion of waste from a point or line source in the aquifer can be readily modeled (Ref. 10). In this case 2-19 the center of the pulse of nuclear waste travels along the x-axis while undergoing both lateral and longitudinal disper sion.…”

Section: Profile Generation For Large Line and Area Sources In The Aqmentioning

confidence: 99%

Spatial patterns of radiological dose from wells drilled near nuclear waste repositories

1980

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This report describes methodology for assess ing the spatial patterns of radiological dose to man from wells drilled near nuclear waste repositories. Descriptions of the various categories of water wells and a model of a typical aquifer are presented. The equation governing the one-dimensional flow of waste in groundwater through porous media to a well is discussed. This is followed by development of a method for constructing lines of constant dose from a well located randomly in the plane of the aquifer. An "area of hazard," in which the dose to man from a well exceeds a given statuatory or •ecommended limit, is then defined within this dose pa-tern.This technique is then 1 used to compute dose and hazard profiles for wells adjacent to a reposi tory located in either impermeable or permeable bedded salt. The repository and geologic parameters employed in this example are taken from a Lawrence Livermore Laboratory report for which this report serves as a supporting document. Scenarios with impermeable salt involve waste entering the repository through the shaft/tunnel fracture zone and exiting through a single additional flaw (borehole). Permeable-salt scenarios involve waste escaping from the repository through a borehole and via interstitial flow. Cal culations are performed assuming both a single-layer (sandstone) aquifer and a double-layer (sandstone/ shale) aquifer in the strata overlying the repository, Results indicate a time-varying area of hazard from well drilling, whose size depends on the permeability of the salt, the regional hydrology, and the surface ecosystem assumed in the potential hazard calculation.ii THE ANALYTIC SCIENCES CORPORATION

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Section: Profile Generation For Large Line and Area Sources In The Aqmentioning

confidence: 99%

Spatial patterns of radiological dose from wells drilled near nuclear waste repositories

1980

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“…The model is described in more detail in Appendix G of Ref. 1. It is similar in basic struc ture to other models having a similar purpose (Refs.…”

Section: Biodose Modelmentioning

confidence: 99%

“…This solution also assumes that irrigation occurs for a relatively short time period as explained in Ref. 1. In this simulation 3-1 Table 3.1-1, Irrigated crops are responsible for the major proportion of potential hazard.…”

Section: Quasi-steady-state Solutionmentioning

confidence: 99%

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Relative potential hazards of radioactive waste in various water systems

Duffy¹,

Mealy²

1979

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“…The flow paths considered are illustrated in Figure 4; the assumptions made were derived from Golder Associates [1977] and Heckman et al [1979] and are listed in Table 1. The results for a typical set of parameters are illustrated in Figure 5. Releases of radioactivity to surface waters have been converted to doses to human beings by accepted modeling techniques [Berman et al, 1978]. The figure shows, as a function of time, the dose to an individual who eats only food from the potentially contaminated watershed and uses the same area for recreational purposes.…”

Section: Applicationmentioning

confidence: 99%

New numerical method for solving the solute transport equation

Ross¹,

Koplik²

1978

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The solute transport equation can be solved numerically by approximating the water flow field by a network of stream tubes and using a Green's function solution within each stream tube. Compared to previous methods, this approach permits greater computational efficiency and easier representation of small discontinuities, and the results are easier to interpret physically. The method has been used to study hypothetical sites for disposal of high-level radioactive waste.

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Analysis of some nuclear waste management options. Volume II. Appendices

Cited by 8 publications

References 0 publications

Spatial patterns of radiological dose from wells drilled near nuclear waste repositories

Spatial patterns of radiological dose from wells drilled near nuclear waste repositories

Relative potential hazards of radioactive waste in various water systems

New numerical method for solving the solute transport equation

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