An ice rink resurfacer is to blame for sending 81 people to the hospital in Wisconsin.The machine Gerald Henderson Jersey put carbon monoxide in the air at a hockey rink before Tiago Splitter Jersey a Minnesota Junior Hockey League game in Lake Delton, Wis.People's symptoms included dizzine s, nausea, headaches, vomiting, and fainting.MORE: | | One player fainted and Maurice Cheeks Jersey was among those taken to the hospital. He is said to be receiving oxygen therapy in a hyperbaric chamber and is showing signs of improvement.The resurfacer wasn't fully combusting the propane, according to Lake Delton Fire Chief Darren Jorgenson Robert Covington Jersey ."The employee who was operating it said he thought it was functioning normally," Jorgenson told the .Wisconsin law Philadelphia 76ers Jersey doesn't require the rink to have a carbon monoxide detector, but it would be a safe investment from here on out.