Dust in an Office

Plot of particle counts Time series of particle counts.

Plot of particle counts Time series of particle counts.

These measurements were taken the week of February 19. Most of that week I was observing at the VTT. The last day, Monday the 26th, is a representative day while I was mainly in the office. The peaks on the other days represent people going by in the hall (the door was open), times when I was working in the office because of clouds, and perhaps the custodian checking the trash can. The cause of the large peak Sunday night is unknown.


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Last updated March 2, 1996.