diane walker was there and tells us how they managed the massive response. >> reporter: an emergency call and sutter solano medical center answered. crews had a triage working within 30 minutes. eight patients were serious enough to be admitted to the emergency room here. >> there was a lot of people fainting. they were out of breath, they were throwing up. you know they just couldn't talk really. >> reporter: justin breden was triages to lower priority, he told us what it was like inside the specialty foods plant. >> everybody just started dropping and fainting. it was kind of scary seeing all your coworkers do that. but yeah. >> reporter: you're smiling now clearly you feel okay. >> oh yeah, i'm fine. >> reporter: a carbon dioxide leak is the suspected cause. a team of nurses is keeping an eye out for symptoms. >> what we're doing is monitoring them for headaches and uncomfortableness. >> reporter: sutter treated 48 patients and admitted just one. a man who was showing signs of carbon dioxide poisoning. diane walker. >>> a supervisor at sutter so -- solano hospital told us that emp