I am sure you feel shame for making up such a stu9263004]Ipid excuse, in the absence of any evidence for it, and the presence of evidence against it.
May I turn your attention to
http://www.youtube.com/watch?v=9yrMIhVq-G0
At 1:24, Harrit says, talking about red-gray chips:
"
It takes some experience to find the active particles. Some of them are dead, some of them are active"
The context, leading up to this statement, is how they found two types of particles that they were interested in: Microspheres and red-gray chips. "This is what the paper is about". So he clearly talks about properties of the dust as it was found before and when they prepared the paper. Do you think someone broke into Harrit's (or Farrer's, or Jones's) house at night and inserted some dead chips? If you think so, let me follow up:
Are you nuts??