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Introduction
Breakthrough is a software program for calculating the estimated breakthrough
time for respirator filter cartridges. The breakthrough time is the time before
the user of the respirator is exposed to the vapor of concern at a selected breakthrough
concentration, as a result of the vapor breaking through the cartridge.
The program is intended as a tool to help an industrial hygienist or other qualified
person to set cartridge change-out schedules. It is not a replacement for regulatory
requirements or professional judgments. Also, the current version of the program
can only handle calculations related to a single organic vapor.
Breakthrough 2004.ISO image |
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