Documentation for the Chemical Database Editor of the Multimedia Environmental Pollutant Assessment System (MEPAS)


Title Page
Legal Notice
Table of Contents
Introduction
Requirements
Design
Quality Assurance and Testing

Requirements of the MEPAS Chemical Database Editor

This section provides an overall summary of the requirements for the MEPAS Chemical Database Editor. Detailed input and scientific requirements are described in the sections that follow.

The purpose of the Chemical Database Editor is to provide information on constituents used to simulate the transport, dispersion, and deposition of chemicals and radionuclides released into the atmosphere. This module will

  • G1 - operate within the Framework for Risk Analysis in Multimedia Environmental Systems (FRAMES), described in Whelan et al. 1997 (PNNL-11748).
  • G2 - allow the user to create, access, and save a chemical database (.mdb file)
  • G3 - operate in Windows 95, 98, NT, ME, and XP
  • G4 - not require modifications to any existing components that run under FRAMES (for example, GENII and MEPAS).

Input Requirements of the MEPAS Chemical Database Editor

The user interface for the MEPAS Chemical Database Editor will have the following put requirements:

  • I1 - allow the user to select an existing database from a list of available databases (in the FRAMES database format) to be used for an analysis
  • I2 - allow the user to select a constituent for viewing or editing
  • I3 - allow the user to select constituents from a list ordered by name or Chemical Abstract Service Identification Number (CASID)
  • I4 - allow the user to change any property value associated with the constituent
  • I5 - allow the user to print a paper copy or write to a file a report of properties for one or more constituents
  • I6 - provide help information about the parameters in the database
  • I7 - provide error messages to the user when inappropriate values are provided for any parameter (as determined by ranges defined within the database)
  • I8 - allow the user to assign references to each property value added or modified
  • I9 - allow the user to add new references or select from previous references
  • I10 - allow the user to select or deselect constituents to be included in an analysis
  • I11 - allow the user to view constituents grouped by chemical groups (e.g., polycyclic aromatic hydrocarbons)
  • I12 - allow the user to add or delete contaminants from the database.

Scientific Requirements of the MEPAS Chemical Database Editor

The MEPAS Chemical Database Editor has the scientific requirement (S1) to provide property estimation methods for selected properties.

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