I never went to university zenegra 100 In June, homes and businesses in Seward, Illinois, were evacuated for a day after a fire and explosion at Nova-Kem LLC injured one employee and released a plume of smoke containing caustic and toxic chemicals, including chlorine gas. The company, which makes compounds used in high-tech applications, did not report storing hazardous chemicals, according to Dennis Lolli, coordinator of the Winnebago County Emergency Services and Disaster Agency.