What concerns may non-scientists have regarding a test for the toxin?

 

 Non-scientists say that toxins are very dangerous and potent and requires protective wear and rooms to prevent the toxin from spreading because it can be airborne.

Step-by-step explanation

A toxin is a poisonous substance produced within living cells or organisms; synthetic toxicants created by artificial processes are thus excluded

 A toxin may be as simple as an ion

Any chemical can be toxic or harmful under certain conditions.