The report obtained by media outlets said the vibration of the unit’s water-filtration system dislodged the exhaust pipe, creating buildup of the fatal fumes.
“The heat from the pool heater traveled through the vent pipe, forcing the carbon monoxide to stay high in the ceiling area. This forced the carbon monoxide to travel to rooms on both sides of the shaft and into the elevator shaft,’’ the report said.
The gas leak on Jan. 31 killed William Moran of Warwick, R.I., and sickened several other people. Carbon-monoxide readings after the leak was reported were as high as between 500 parts per million and 600 parts per million. Officials said that anything above 35 parts per million is considered a health risk.
The report said that in Room 511, where Moran was staying, the heating and air conditioning unit was set to fan only, so there was no fresh air being circulated into the room.
White said in the report that Charleston swimming pool installer Premier Pools failed to follow the swimming-pool heater manufacturer’s recommendation during the installation of the replacement unit.
Steve Combs, manager of Premier Pools, denies he installed the unit and has said the hotel called him to
Article source: http://articles.boston.com/2012-02-21/news/31083914_1_carbon-monoxide-heating-unit-pool-heater
