Carbon Monoxide Alarm Harrisburg City

11/2/2018 At 0313 hrs Dauphin County 911 sent county units into the city for a carbon monoxide alarm while city units were on a 1st alarm fire. Engine 40 responded with a crew of 3. Mutual aid companies arrived on the scene and metered the home finding 28 PPM. Crews secured the gas to the home and stood-by on the scene till released by UGI. Time out was 1 hr 4 mins.