Nearly 30,000 packages of marijuana-infused edibles in Colorado were voluntarily recalled in the last few days because they contain potentially dangerous pesticides that are banned for use on cannabis.

The moves represent the two largest recalls of infused pot products to date, according to the Denver Department of Environmental Health.

Gaia’s Garden recalled more than 8,000 packages of infused edibles on Tuesday. EdiPure owner Green Cross recalled more than 20,000 units of its popular edibles line on Oct. 30. Both companies — which purchase cannabis from other growers to infuse their edibles with THC — had bought marijuana trim from TruCannabis, which was the subject of its own pesticide-related voluntary recall in mid-October.

“There’s a lot of sadness that we’re involved in this in any way whatsoever,” Gaia’s Garden managing owner Eric White said Tuesday.

Gaia’s Garden bought its tainted product from TruCannabis in February, White said. Green Cross CEO Mark Smith said his company made its purchase in April. [Read more at The Denver Post]