Navigation : What's New? Using RALS™ Dashboard Results Operators and Certifications Devices Materials Charting Institutions and Locations Tasks Recertification Sets Patients Reports eQuiz Device Files Configuration Interfacing - Outbound Configurations - Outbound Connections - ADT Units - Patient Purge Sets Data Logs Lexicon Sitemap FAQs Troubleshooting Patient Purge Sets Over time, the RALS™ SYSTEM accumulates larger and larger amounts of historical patient (ADT) data. Patient purge sets are used to purge unnecessary historical data. Patient purge sets can only be created and edited by RALS™ SYSTEM customer support.