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United States Environmental Protection Agency
Software for Environmental Awareness
  Serving Illinois, Indiana, Michigan, Minnesota, Ohio, Wisconsin and 35 Tribes
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Water-Effect Ratio for Metals

WER title screenThis program is based on the EPA's 1994 "Interim Guidance on the Determination and Use of Water-Effect Ratios (WERs) for Metals." The WER procedure is one of three protocols which may be used to derive site-specific water quality critieria for hte protection of aquatic life. An overview, two methods for determining WERs, a checklist, the Guidance document, references/resources, and EPA contacts are included. This title is a companion to the Water Quality Standards and Criteria software program. This software program assumes that the user has an understanding of water quality standards and criteria, as well as scientific methods. wer.html
Audiences: environmental professionals,

Download WER now:
wer.exe self-extracting zipfile (5.4 Mb)

Installation:

  1. Save the file wer.exe onto your hard disk.
  2. Double-click it in File Manager/Windows Explorer to uncompress it; follow the directions on the screen. By default, the program files will be placed in c:\temp.
  3. To complete the installation, double-click on setup.exe, and then follow the directions on the screen. The program group will be created automatically.
  4. To start the program, go to the program group, and double-click on its icon
  • Created: 1999
  • Size: approximately 7.0 Mb when uncompressed, 5.4 Mb compressed
  • Operating system: Windows 3.1 or Windows 95
  • Other requirements: N/A

 

 

 

 
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