Documentation is on the diskette.
Requires Excel 5.0 for Windows 3.11, Windows 95 and NT 3.51. Excel 7.0 can also be used with Windows NT 3.51. Online help files require Adobe Acrobat. Because an exponential decay in source zone concentration is assumed, the predicted plume lifetimes can be large, usually ranging from 5 to 500 years. As a screening model to determine if RNA is feasible at a site, and 2.