The Environmental Protection Agency’s own staffers objected to a controversial new US rule governing the use of cancer-causing asbestos, according to internal emails.
The rule, issued in June, would require manufacturers to receive EPA approval before importing or manufacturing asbestos for certain purposes. The highly technical regulation has prompted controversy, with the agency saying it more tightly regulates asbestos, but critics saying it could allow the substance to be more widely used in America.
Many developed nations ban asbestos altogether, but the United States has restrictions that fall short of an…