"(...) Using the same sample method and laboratory, he took a sample on Oct. 14, 2009 which showed Aluminum at a level of 611 ug/l. The Barium should not be there in any amount. Barium carbonate is used in rat poison. The normal level of Aluminum in rainwater is .5 ug/l. These samples show levels of Aluminum at 2020 times and 1222 times the normal levels. There is no heavy industry in the Mt. Shasta area. There is no reason, other than chemtrails, for this stuff to be showing up at these levels. (...)"
http://www.geoengineeringwatch.org/htm/303.html