The Spokane Fire Department confirmed Monday it found no evidence of a dangerous substance reportedly found on money used at a cashier's station at a north Spokane Walmart Sunday night. Spokane Fire said three staff members reported feeling sick as they collected money with a suspicious substance on it Sunday night. Fire District 9, the Spokane Fire Department and AMR responded to the store around 6:45 p.m. Three staff members were taken to the hospital. They were later released with no injuries. The Walmart on Colton Street was evacuated and a Hazmat team responded to examine the bills. Spokane Fire said an entry team could not find evidence of a suspicious substance and their monitors did recognize any hazardous materials.