Starting With Formaldehyde, Trump Administration Reassesses Chemical Risks

A draft memo from the E.P.A. assumes a safe threshold exists for formaldehyde, upending earlier findings that there is no safe level of exposure to the carcinogen.Between one to five billion pounds of formaldehyde is produced in the United States each year for a wide range of industries and products, including composite wood and other building materials, plastics, pesticides and even some hair straightening treatments.