bears or contains chlorpyrifos, including any residue of chlorpyrifos, or any other added substance that is present on or in the food primarily as a result of the metabolism or other degradation of chlorpyrifos. . 4. Review of organophosphate pesticides (a) In general Not later than 90 days after the date of enactment of this Act, the Administrator of the Environmental Protection Agency (referred to in this section as the Administrator ) shall offer to enter into a contract with the National Research Council to conduct a cumulative and aggregate risk assessment that addresses all populations, and the most vulnerable subpopulations, including infants, children, and fetuses, of exposure to organophosphate pesticides. (b) Contents of review The review under subsection (a) shall— (1) assess the neurodevelopmental effects and other low-dose effects of exposure to or­gan­o­phos­phate pesticides, including in the most vulnerable subpopulations, including— (A) during the prenatal, childhood, adolescent, and early life stages