Statistical Methods for Estimating the Uncertainty in the Best Basis Inventories

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This document describes the statistical methods used to determine sample-based uncertainty estimates for the Best Basis Inventory (BBI). For each waste phase, the equation for the inventory of an analyte in a tank is Inventory (Kg or Ci) = Concentration x Density x Waste Volume. the total inventory is the sum of the inventories in the different waste phases. Using tanks sample data: statistical methods are used to obtain estimates of the mean concentration of an analyte the density of the waste, and their standard deviations. The volumes of waste in the different phases, and their standard deviations, are estimated ... continued below

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24 pages

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WILMARTH, S.R. September 7, 2000.

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This report is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. More information about this report can be viewed below.

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Description

This document describes the statistical methods used to determine sample-based uncertainty estimates for the Best Basis Inventory (BBI). For each waste phase, the equation for the inventory of an analyte in a tank is Inventory (Kg or Ci) = Concentration x Density x Waste Volume. the total inventory is the sum of the inventories in the different waste phases. Using tanks sample data: statistical methods are used to obtain estimates of the mean concentration of an analyte the density of the waste, and their standard deviations. The volumes of waste in the different phases, and their standard deviations, are estimated based on other types of data. The three estimates are multiplied to obtain the inventory estimate. The standard deviations are combined to obtain a standard deviation of the inventory. The uncertainty estimate for the Best Basis Inventory (BBI) is the approximate 95% confidence interval on the inventory.

Physical Description

24 pages

Notes

INIS; OSTI as DE00804778

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  • Other Information: PBD: 7 Sep 2000

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  • Report No.: RPP-6924, Rev.0
  • Grant Number: AC27-99RL14047
  • DOI: 10.2172/804778 | External Link
  • Office of Scientific & Technical Information Report Number: 804778
  • Archival Resource Key: ark:/67531/metadc738904

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Creation Date

  • September 7, 2000

Added to The UNT Digital Library

  • Oct. 18, 2015, 6:40 p.m.

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  • April 21, 2016, 7:06 p.m.

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WILMARTH, S.R. Statistical Methods for Estimating the Uncertainty in the Best Basis Inventories, report, September 7, 2000; United States. (digital.library.unt.edu/ark:/67531/metadc738904/: accessed September 25, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.