The U.S. Environmental Protection Agency (EPA) has issued an emergency notice pulling the pesticide dimethyl tetrachloroterephthalate, also known as DCPA or Dacthal.

The chemical was placed under an emergency order to stop further use, the first order of its kind in nearly four decades, because of the risk it poses to fetuses in pregnant people. According to the EPA, when pregnant people are exposed to DCPA, it can change the fetal thyroid hormone levels. 

After birth, the baby may experience low birth weight, impaired brain development and decreased IQ, the agency warned. Later in life, the exposure could also be linked to impaired motor skills. The EPA noted that some of the effects of exposure could be irreversible.

“DCPA is so dangerous that it needs to be removed from the market immediately,” Michal Freedhoff, assistant administrator for the EPA’s Office of Chemical Safety and Pollution Prevention, said in a statement. “It’s EPA’s job to protect people from exposure to dangerous chemicals. In this case, pregnant women who […]