Chemical warfare agent in use in the US
Chlorpyrifos
https://pubchem.ncbi.nlm.nih.gov/compound/Chlorpyrifos
Scientists say there is no acceptable dose to avoid brain damage. Its use is banned in several European countries. Yet its residues are found in fruit baskets, on dinner plates, and in human urine samples from all over Europe. Now producers are pushing for a renewed EU approval – perhaps in vain.
in the late-1980s the manufacturers of these organochlorine compounds removed them from the market and the organophosate compounds took their place, heralded as “safe” by the chemical producers
Commonly used organophosphates have included parathion, malathion, methyl parathion, chlorpyrifos, diazinon, dichlorvos, phosmet, fenitrothion,[2] tetrachlorvinphos, azamethiphos, and azinphos-methyl. Malathion is widely used in agriculture, residential landscaping, public recreation areas, and in public health pest control programs such as mosquito eradication.[3] In the US, it is the most commonly used organophosphate insecticide.[4] Forty organophosphate pesticides are registered in the U.S., with at least 73 million pounds used in agricultural and residential settings.[5]
They are of concern to both scientists and regulators because they work by irreversibly blocking an enzyme critical to nerve function in both insects and humans. Even at relatively low levels, organophosphates may be most hazardous to the brain development of fetuses and young children. The EPA banned most residential uses of organophosphates in 2001, but they are still sprayed agriculturally on fruits and vegetables.
https://www.nrdc.org/stories/24-d-most-dangerous-pesticide-youve-never-heard
https://honolulu.legalexaminer.com/legal/7-neuro-toxic-pesticides-that-should-be-banned/
https://www.indiaspend.com/why-toxic-pesticides-that-killed-3-farmers-in-2-months-are-still-in-use-in-maharashtra/