Many references by chemtrail advocates discuss lab analysis of rain water which is claimed to be evidence of someting being put into the atmosphere. Usually, the lab reports will show varying concentrations of elements found in the water with the units expressed in micrograms per liter, abbreviated ug/L.
How much is an actual microgram, how can it be related to the average person?
First, it means one millionth of a gram, 1/1,000,000 gram, or 0.0000010 gram.
It takes 1000 micrograms to equal one milligram.
What is a Liter? While most other countries regularly use liters ... Read even more