Health

The move will provide clarity on impurity limits for a slew of fuel ethanol companies that had switched to producing hand sanitizer during the outbreak, after regulators discovered some of the impurities, including cancer-causing acetaldehyde, several weeks ago.

“We are specifying interim levels of certain impurities that we have determined can be tolerated for a relatively short period of time,” the Food and Drug Administration said on its website.

“We believe that our temporary guidances sets the proper level of flexibility at the current time to help protect Americans during this public health emergency.”

The FDA guidance allows up to 2 parts per million of benzene and 50 ppm of acetaldehyde, according to the website.