Topic - Cannabis Board

There were 108 samples tested from the companies and 59 came back with unapproved levels of DDE, the board said.

Washington legal pot farms get back to work after pesticide concerns halted operations →

The results of tests at seven licensees showed high levels of DDE, a chemical that remains when DDT breaks down, the board said.

Washington state shutters pot businesses due to old pesticide, high levels of dangerous chemicals →