Dunn facing cobalt charges: Racing.com 6/14/18

Press Release: Tatura trainer Belinda Dunn has been charged under the Australian Rules of Racing in relation to an elevated cobalt reading. The Dunn-trained Margot's Boy returned a cobalt reading above the threshold of 100 micrograms per litre of urine in a post-race sample after the horse's win in the Mark Goring BM58 Handicap (1980m)