CO leak at Maryland church. At least three people transported from St. Bernard Parish in Prince George’s County. More treated.

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Prince George’s County firefighters and medics have been on the scene of a carbon monoxide emergency at a church since about 6:30 this evening. The location is Saint Bernard Catholic Church in the Riverdale Park area.

In a press release, PGFD Chief Spokesman Mark Brady said that the original call was for a person feeling faint and dizzy. When the first EMS unit arrived other reported similar symptoms.

Here’s more from Brady’s press release sent just before 8:00 PM:

Additional Firefighters and the Departments Hazardous Materials Team, Mass-Casualty Support Unit and Mobile Ambulance Bus were called to the scene to assist. One person reported that work on the church’s boiler had been performed earlier in the day. A gas meter detecting the level of CO in the atmosphere showed levels at 1300. A normal CO level should be around 0 – 30 parts per million (ppm). The building was evacuated and the utilities were shut off. CO levels have started to decrease.

At this point 3 patients have been transported to area hospitals, an adult female and two children, both around 10 years of age. As many as 10 additional patients are receiving oxygen, being monitored by paramedics on the scene and are being prepared for transport on-board the Departments Mobile Ambulance Bus.

Also on STATter911 …

• Fatal house fire in Prince George’s County, Maryland. Chief says response plan worked after 54-inch water main break on Beltway. – January 24, 2011
• Chopper video: Prince George’s County apartment fire with rescues on 85th Avenue in New Carrollton. – June 8, 2011
• Fireground audio & morning update: Seven firefighters hurt in Prince George’s County, MD when high winds send ‘blowtorch’ through home. Two from Bladensburg admitted to burn center. Both critical. – February 24, 2012
• UPDATED: One Girl Dies, One Gravely Injured After Prince George’s County house fire. Two other children, parents & firefighter hurt in early morning Brentwood blaze. – January 19, 2011