. >> reporter: chief kevin cartwright with the baltimore fire department said the man had high levels of carbon monoxide in his system. >> they were able to evaluate carbon monoxide of 38 parts per million. which certainly can be serious. >> reporter: he's now being treated at the university of maryland shock trauma. >> reporter: and it is believed it will come from a generator near one of the doors in the building. >> reporter: while levels are carbon monoxide are not high, any exposure for a long period of time can be dangerous. >> it's not significant. however, if a person has been exposed to 38 parts per million of carbon monoxide for hours, can certainly be deadly. >> reporter: and it's back to business as usual here. we're told the carbon monoxide leak did not impact the customer service area. in downtown baltimore, rochelle ritchie, wjz eyewitness news. >> they were detected by the baltimore fire department's hazardous task force. >>> prices are projected to increase a fifth and then flatline through august. consumers should expect prices to go down until after labor day, when