You see his chest gasp, and he begins breathing. You then begin to attempt to get a history from the other assembled workers. You reach to grab the oxygen tank with mask attached, turn it on, and hand the mask to the man who has been talking to you. Your mind begins to churn and you you begin to realize that this incident may have grown larger than you had anticipated. You then hear the dispatcher ask the Engine Company it's estimated time of arrival on a speaker in the nearby ambulance.
Events seem to be speeding up, and it now seems important to get some additional help at the scene.
As you hang your microphone back onto your epaulet, you insert an oral airway into the unconscious worker, and note that he is still breathing, with shorter inhalations than expirations. He accepts the airway without difficulty and his breathing seems to improve. As you lean closer to him to insert the airway, you notice a peculiar smell coming from his clothing, but are unable to identify it. You dismiss the rising sense of anxiety and return to concentrating on the task at hand. Just as you are applying an oxygen mask to the man you are treating, a man stumbles out of the door where the supervisor and your partner had entered.