Advisory: DEA Drug Take Back Day. Dispose of expired, unused or unwanted medication safely. Guilderland Public Library, 2228 Western Ave., Guilderland from 10 a.m. to 2 p.m. Medications may be turned in to police officers in the library's auxiliary parking lot. Medications cannot be left at the library prior to April 27. Drug Take Back Day officials will not ask questions of nor request identification from anyone.