Upstate business evacuated after chemical mixture causes vapor cloud, officials say

May 20, 2026 - 18:30

A business in Anderson County was evacuated on Wednesday after emergency crews discovered a vapor cloud forming from a chemical mixture, local officials confirmed. The incident occurred at a commercial facility in the Upstate region, prompting a swift response from fire departments and a hazardous materials team.

According to authorities, firefighters arrived at the scene after receiving reports of a strong odor and visible fumes. Upon investigation, they found that two chemicals had been inadvertently combined, creating a reactive vapor cloud that posed a respiratory risk to anyone nearby. The building was immediately cleared, and employees were moved to a safe distance while crews worked to ventilate the area and neutralize the mixture.

No injuries were reported, and officials stated that the vapor cloud dissipated without spreading beyond the immediate vicinity. The cause of the chemical mix-up is under investigation, but early indications suggest it was an accidental combination during routine operations. The business was allowed to reopen later that day after air quality tests confirmed safe conditions. Local emergency management reminded businesses to follow proper storage and handling protocols for hazardous materials.