"We have about five dozens lab tests from Mount Shasta County alone. We know this material is in the air and we know we are breathing it. There is no speculation on this.This is a bioaccumulative metal. This lethally harmful."
(Dane Wigington at Minute: 15 Seconds: 1)
http://globalskywatch.com/chemtrails/ubbthreads.php?ubb=showflat&Number=10233#Post10233

[video:youtube]https://www.youtube.com/watch?v=5yZhh2leRJA#t=907[/video]

http://en.wikipedia.org/wiki/Ultrafine_particles
http://upload.wikimedia.org/wikipedia/commons/4/47/Airborne-particulate-size-chart.jpg