Commodity groups continue to express concern about a proposed rule that would limit the use of a commonly used herbicide.
Minnesota Corn Growers Association executive director Adam Birr says EPA is looking to introduce a concentration of concern for atrazine at 3.4 ppb (parts per billion) despite three previous scientific advisory panels landing on 15 ppb.
“So we have concerns about how they arrived at this number because it just doesn’t feel like there was a lot of scientific process that went into this.
