The White House said trade talks between the two countries had resumed after Trump threatened to cut off trade talks. Read more: What Trump's tariffs mean for the economy and your wallet ...

During a White House press conference on Friday, Trump said the July 9 deadline to raise "reciprocal" tariffs was not set. "We can do whatever we want," said at the press conference.

Acrolein, a volatile, unsaturated aldehyde, is a known respiratory toxicant and one of the 188 most hazardous air pollutants identified by the U.S. EPA. A newly developed analytical method was used to ...