Nothing but hand-waving conspiracy claims devoid of data that are all but impossible to analyze and dispute.
A lazy and vain attempt to deflect your ignorance.
So you do believe in chemtrails and the alphabet agencies are lying about them. I should have guessed that.
Let's see your relevant supporting data for the statement that this type of analysis was fraudulent or suppressed.
It should be easy to find if is as prevalent as you claim, not to mention that it would have to be a global conspiracy as 2,4-D is used worldwide. Beyond that, there are non-government laboratories that have EC-FTMS instrumentation that could perform an independent analysis of your sample. I suspect Greenpeace and Beyond Toxics have already verified the EPA claims, or perhaps they are part of the conspiracy as well.....