JS600 RTU Surface Sanitizer EPA Registration Number 6836-70-58783 - this is a ready to use spray applied product for surface cleaning. RTU Surface Sanitizer is a potent quaternary ammonium disinfectant chemical for use as a spray to rid surfaces of viruses. This product was recently certified by the EPA on March 3rd, 2020. Note: This product can be used on any hard surface for institutional use. JS600 RTU Surface Sanitizer is a clear liquid with a slight chemical odor.