The Biden administration is initiating a formal evaluation of risks posed by vinyl chloride, the cancer-causing chemical that burned following a train derailment earlier this year.
The EPA said it will study vinyl chloride to determine whether it poses an “unreasonable risk to human health or the environment,″ a process that would take at least three years.
WASHINGTON — The Biden administration has initiated a formal evaluation of risks posed by vinyl chloride, the cancer-causing chemical that burned in a towering plume of toxic black smoke following