June 25, 2014 12:18 pm New Carbon Monoxide Law to Take Effect July 1 Prince George’s County Fire Chief Marc Bashoor discusses a new carbon monoxide law that goes into effect July 1. The law comes after the death of six residents in the past three years. Local 3:01 “It's 100% different”: Community reflects on emergency curfew at National Harbor 2:25 Community, businesses mark first weekend of emergency curfew at National Harbor 1:27 Police search for suspect who vandalized Rockville synagogue sign 2:03 PNC Parkway Classic marks 40 years of racing in Virginia 5:01 Strawberry Season: Pick fruit at this Virginia festival