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The Rural Voice, 1998-07, Page 24June 21 was Fathers Day this year and that made it particularly difficult for Flo Cartwright and her sons. You see June 21 also marked the 20th anniversary of the death of Norman Cartwright, her husband and their father. June 21, 1978 started out like any other day for the Cartwrights on their cattle and hog farm in Hullett Township in Huron County. It had rained through the night and it was hot and sticky in the morning (Flo thinks the humidity contributed to the problems that day). Norman, 35, went to do the chores at the hog barn which had a liquid manure system. The first sign of trouble for Flo was when she saw the family dog running up and down the hill to the barn. At first she didn't pay attention but when Norm didn't arrive as usual for a morning coffee break, she got worried. "I decided maybe the dog was telling me that maybe there was trouble." About 9:45 a.m. Flo went to the barn and found Norm lying outside the building. He had been overcome by the fumes from the liquid manure. There is no smell, no kind of warning, Flo says, "You just go to sleep." She never really knew whether he had been overcome outside the barn or inside, and stumbled out. A doctor told her later Norm would only have had about four minutes to get help. "You would really have to be right there in order to get them out immediately if they were overcome," she says. "You can only smell the characteristic rotten egg odour for a short time 20 THE RURAL VOICE Fighting to unmask a silent killer Flo Cartwright wants others to avoid the fate that felled her husband 20 years ago Story and photos by Keith Roulston Flo Cartwright looks at a photo of her wedding to Norm, who was asphyxiated by manure gas 20 years ago. Today she's trying to make others aware of the dangers lurking in their liquid manure tank. before it overwhelms the human nose," explains Franklin Kains, OMAFRA pork specialist. "This can lead a person to think the gas is gone, when in fact they simply can no longer smell it." Liquid manure was still relatively new at the time and there wasn't much publicity about the dangers of manure gas, Flo remembers. "I heard at the time that he was the first death attributed to it." Given the shock of the situation, Flo didn't talk much, at the time, about the accident and its cause. But this Victoria Day weekend at a church service she met a farm wife from the township and was frightened by her story. The woman said her husband had been overcome by fumes and passed out but, because she was working with him in the barn, she was able to get him out. Though he survived, he was sick for nearly two weeks from the effects of the fumes. "I kind of thought maybe it's time to think about educating people on this," she recalls, and a few days later called The Rural Voice to express her concerns. "Twenty years ago I wouldn't have been able to do this," she says. "Time does get better and when I heard about this other couple I thought 'I think I can do it now'." Coming forward, as other victims of other farm accidents have done over the years, will help give people an idea of what really can happen, Flo says. "Everything happens so quickly out there that you don't have much time to think. And it affects you for the rest of your life." She is coming forward because she doesn't want others to go through the earth -shattering changes that befell her family. She was a young mother of 31 at the time. Looking back she feels she might have been able to continue to farm on her own but at the time, with two small boys under nine, it seemed too big a task to manage. Franklin Kains explain- ed in a recent press release the dangers of agitation of liquid manure, generally during spring and fall spreading. When the tank is stirred up hydrogen sulphide is released. The release can be three times as high if the stream of agitated manure is allowed to break the surface or hit