A Washington jury on Tuesday ordered Bayer to pay $100 million to four people who say they were sickened by toxic chemicals known as PCBs at a Seattle-area school, but found the company was not liable for injuries alleged by 11 others.

Bayer AG was told by a jury to pay $100 million to four people at a Seattle-area school who said their exposure at the facility to toxic chemicals made by the company’s Monsanto unit caused brain damage and other injuries.

Bayer must pay $100 million to four plaintiffs exposed to toxic PCBs, with previous verdicts exceeding $1.5 billion related to the Sky Valley Education Center.

A jury in Washington state has ordered Bayer to pay $100 million to four plaintiffs in a lawsuit over exposure to toxic PCBs at a Seattle-area school. The case is part of ongoing legal battles against Bayer,

The trial, called Rose v. Pharmacia, is the tenth involving former students, teachers and parents at the Sky Valley Education Center in Monroe, Washington.