Recommendations for improving waste-generation reporting

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This document is based on available waste-generation data from the Total Waste Management System (TWMS) database for calendar years 1994 through 1997. The purpose of the analysis is to identify the amount of time required for the data to be considered complete enough and available to the Pollution Prevention Group (PPG) at Lawrence Livermore National Laboratory to prepare accurate estimates for performance measures quarterly reports. The current reports use this incomplete data which forces PPG to make subsequent revisions to the reported data. An approach that can readily address and correct the problem is recommended. In general terms, the completeness ... continued below

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216 Kilobytes pages

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Celeste, J. September 30, 1998.

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Description

This document is based on available waste-generation data from the Total Waste Management System (TWMS) database for calendar years 1994 through 1997. The purpose of the analysis is to identify the amount of time required for the data to be considered complete enough and available to the Pollution Prevention Group (PPG) at Lawrence Livermore National Laboratory to prepare accurate estimates for performance measures quarterly reports. The current reports use this incomplete data which forces PPG to make subsequent revisions to the reported data. An approach that can readily address and correct the problem is recommended. In general terms, the completeness of TWMS data is a function of elapsed time. In this report, elapsed time is defined as the interval between the work place end date (WPED), when material is first declared to be waste, and the time that complete information on declared waste is placed into the TWMS database so that the data can be analyzed. Initial estimates of waste quantities by waste type are subject to considerable revision over subsequent months. Revised estimates arise because of initial under or over reporting of waste quantities as routine waste, misclassification of waste types, the time needed to obtain testing and certification results, and several other variables. Final values for Lawrence Livermore National Laboratory annual waste quantities are, in fact, not available until several months after the end of a given calendar year. This is due to the complexity of the waste management process which takes a significant amount of time to accurately sample, characterize, and certify the waste for final treatment, storage, and disposal. This is driven by the increasingly more stringent waste acceptance criteria of the treatment, storage, and disposal facilities.

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216 Kilobytes pages

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  • Other Information: PBD: 30 Sep 1998

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  • Report No.: UCRL-ID-131499
  • Report No.: EW02MM09B
  • Grant Number: W-7405-ENG-48
  • DOI: 10.2172/2794 | External Link
  • Office of Scientific & Technical Information Report Number: 2794
  • Archival Resource Key: ark:/67531/metadc664291

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Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • September 30, 1998

Added to The UNT Digital Library

  • June 29, 2015, 9:42 p.m.

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  • Aug. 8, 2016, 7:32 p.m.

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Celeste, J. Recommendations for improving waste-generation reporting, report, September 30, 1998; California. (digital.library.unt.edu/ark:/67531/metadc664291/: accessed November 18, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.