Neutral Aqueous Economics Floor space requirements for aqueous systems are usually greater than for solvent systems. The following cost tables are based on: Schleckser, Jim. State Information | Glossary | Conversion Checklist | Comments Home | Process Advisor | Alternatives | Links | Search All SAGE material, Copyright© 1992, Research Triangle Institute Last Update: 16 March 1995 sage@rti.org http://clean.rti.org/alt.cfm?id=neu&cat=ec