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Saturday, October 10, 2015


Is there an estimate of how many pounds of soil/dirt are tracked into a commercial (hospital) in a week, month or year?


I doubt anyone has an accurate estimate of this. There are so many factors to consider that it would be almost impossible to know an average.
The location and climate of the hospital would be of concern. How much foot traffic there is would differ based on facility size. Use of track-off matting and whether entrances are sheltered or exposed to the elements would vary from place to place.
One way of judging for your own facility is by dumping your matting and dirt traps occasionally and weighing the dust and grit you collect.

Lynn E. Krafft, ICAN/ATEX