Environmental data management systems comprise DUMPStat and CARStat which are statistical analysis and graphical display system used for soil, ground-water, surface water and air assessment or corrective action monitoring and to analyze large amounts of environmental monitoring data, EQuIS 5 Limnology provides a means for reviewing water quality data. The Electronic Lab Data Checker to assist laboratories and data providers in the preparation of electronic data deliverable and the Completeness Checker is to evaluate an incoming Electronic Data Deliverable.