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MultiVapor? Version 2.2.6 Application

Revised April 2024
DHHS (NIOSH) Publication Number 2010-124C

MultiVapor™ is a computer tool for estimating breakthrough times and service life of air-purifying respirator cartridges manufactured to remove toxic organic vapors from breathed air. It can also be used for larger filters and for carbon beds of any size prepared for laboratory studies.

Updates

June 2018: MultiVapor 2.2.5 incorporates 26 new compounds, including CN, HDMI, and MMA. The library now contains over 750 compounds.

April 2024: MultiVapor 2.2.6 resolves the errors users experienced with a missing MSSTDFMT.DLL file, and other minor typographical errors. Note that due to the dated nature of this program, Version 2.2.5 will still be reflected when downloading and opening the software.

Installing the Application

MultiVapor™ is designed to install and operate on both 32-bit and 64-bit windows operating systems. You may need administrative privileges on your computer to install this new version. You may also need to delete any previous version of this application before downloading this newer version.

  1. Download MultiVapor™ Version 2.2.6 Application to your PC.
  2. Once downloaded, double click on the MultiVapor Installer.exe and follow the on-screen instructions. The instructions listed below reflect the on-screen instructions.
  3. The screen, Welcome to the MultiVapor Setup Wizard will appear, click Next to continue with the installation.
  4. Select the radio button next to: I accept the agreement once you have read the license agreement to proceed with the installation. Click Cancel to exit the application and quit the setup process.
  5. The screen, Select Destination Location appears. This screen appears with the default C: \Program Files\MultiVapor\ folder location listed. Click the Next button to proceed. Select the Browse button to select a different location other than the default one listed. Note: At least 2 MB of Free Disk Space is required for the installation of the MultiVapor Application.
  6. The screen, Select the Start Menu Folder appears, click the Next button to proceed. Setup will create the program’s shortcuts in the following Start Menu folder: MultiVapor.
  7. The screen, Select Additional Tasks appears, click the Next button to proceed. This will create a desktop icon for the MultiVapor application.
  8. The screen, Ready to Install appears, click Install.
  9. The application begins to install. After installation click Finish

Help

View the MultiVapor Video (script) for additional assistance using the program.

Suggested Citation

NIOSH [2010]. MultiVapor™ Version 2.2.6 Application. Pittsburgh , PA: U.S. Department of Health and Human Services, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, DHHS (NIOSH) Publication No. 2010-124C (revised 04/2024), https://doi.org/10.26616/NIOSHPUB2010124crevised042024.

Revision Date Revisions Citation of Revision
April, 2024 MultiVapor™ has been updated to resolve the errors users experienced with a missing MSSTDFMT.DLL file, and other minor typographical errors. NIOSH [2010]. MultiVapor™ Version 2.2.6 Application. Pittsburgh , PA: U.S. Department of Health and Human Services, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, DHHS (NIOSH) Publication No. 2010-124C (revised 04/2024), https://doi.org/10.26616/NIOSHPUB2010124crevised042024.