Mystery stench prompts evacuation of 100 Philadelphia homes – WPXI Pittsburgh

WPXI PittsburghFire Chief Haydn Marriott had earlier told WPVI-TV in Philadelphia that crews testing the homes had gotten high readings of a poisonous gas called hydrogen cyanide. But he said the crews didn’t actually think the odor in the homes was from hydrogen …Strange Odor Sends 100 Montco Residents Fleeing HomesNBC 10 PhiladelphiaOdor Prompts Evacuation […]