AIM scrap yard given green light to operate A controversial metal recycling facility has been given the green light to start operating again after two explosions occurred at the site last week. Social Sharing CBC News · Posted: Dec 11, 2020 6:30 AM AT | Last Updated: December 11, 2020 American Iron and Metal’s Saint John location was forced to stop operations after sounds at the plant exceeded the 104-decibel limit for the plant.(CBC)