Table 1: Examples of developmental neurotoxicants.

Category Compound Evidence of DNT Animals Humans Methylmercury +++++ +++++ Metals Lead +++++ +++++ Manganese +++ +++ Arsenic +++ ++ Solvents Ethanol +++++ +++++ Toluene ++++ +++++ Organophosphates (various) ++ ++ Pesticides Organochlorines (dieldrin) + −− Herbicides (paraquat) + −− Fungicides (maneb) + −− PCBs ++++ +++ PBDEs +++ + Other contaminants Phtalates ++ ++ Bisphenol A ++ −− PFOS/PFOA + −− Natural toxins Domoic acid ++ −− Pharmaceutical drugs Antiepileptic compounds ++++ ++++ Drugs of abuse Cocaine ++ ++

PCBs: polychlorinated biphenyls, PBDEs: polybrominated diphenyl ethers, PFOS/PFOA: perfluorooctane sulfate/perfluorooctanic acid. Symbols (+) are arbitrary evaluations by the authors.