By , , (Reuters) - When explosions ripped through a Philadelphia oil refinery last year, the shock waves knocked Felicia Menna’s front door frame out of place. Then came the black smoke.“My throat was closing shut,” recalled Menna, who lives about a mile away. “My nostrils felt like they were on fire.”She went to an emergency room, where doctors put her on a vaporizer device to ease her breathing and treated her with intravenous Benadryl for allergic reactions, according to medical records she provided to Reuters. She was among several dozen people who sought treatment after the blast,...…By , , (Reuters) - When explosions ripped through a Philadelphia oil refinery last year, the shock waves knocked Felicia Menna’s front door frame out of place. Then came the black smoke.“My throat was closing shut,” recalled Menna, who lives about a mile away. “My nostrils felt like they were on fire.”She went to an emergency room, where doctors put her on a vaporizer device to ease her breathing and treated her with intravenous Benadryl for allergic reactions, according to medical records she provided to Reuters. She was among several dozen people who sought treatment after the blast,...WW…