2.3.3, Release Date 05/16/08
- Fixed error resulting from contaminant names longer than 15 characters
- Fixed error potentially resulting from certain Co-mingled source configurations
- Fixed error in Redox Indicators being pre-selected when starting a new project, if an existing project had been previously loaded
- TOS mathematical model has been revised (to be described in future publication)
- SEAM3D has been updated with MODFLOW2000v1.17.01 and MT3DMSv5.20
- Increased previous SEAM3D NAPL source size limitation, allowing NAS to model significantly larger source areas
- Streamlined the TOR module in allowing simulation of zero NAPL mass (i.e. TOR based solely on attenuation of initial aqueous contaminant concentration)
- Fixed error in displaying TOR output in 'Data and Results Tabular Summary' Form if 'TOR Tabular and Graphical Output' Form was not also visible
2.2.0, Release Date 01/02/06
- Upgraded SEAM3D to the latest fortran version: reduced TOR simulation times
- Revised code to reduce memory requirements
- Revised code to increase efficiency in post-processing TOR C. vs T. data
- Modified user interface during TOR sims to improve multi-tasking with other Windows programs while TOR sims are running
2.1.1, Release Date 10/10/05
- Expanded user input in the TOS section: user may now enter the TSC after a source reduction to determine the concentration at the POC
- Fixed error in TOR section where decay rate range values were sometimes used instead of best estimate values in the SEAM3D calculation
- Fixed error in TOR C vs. T graph where ground water velocity range values were incorrectly labelled in the graph legend
2.0.0, Release Date 06/08/05
- See NAS User's Manual for revision information
1.3.0, Release Date 06/24/03
- Fixed error resulting in incorrect initial concentrations being specified for the SEAM3D simulation when using chlorinated ethenes
- Fixed SEAM3D error: When TCE was the parent compound, the chlorinated ethene species either wasn't dissolving from the NAPL or dissolving with incorrect parameters.
1.2.2, Release Date 06/03/03
- Fixed form resizing error with Site Data form
- Improved ease of data entry in well tables
- Sulfate-reduction threshold value changed from 0.2 to 2.0
- Fixed error in TOS section when source reduction well is not in first zone
- Improved ease of data entry in TOR section
- Fixed error that sometimes caused *.nas data file corruption after using the TOR section
1.2.1, Release Date 02/10/03
- Fixed/revised Tutorials section
- Improved information and format in View Data and Results section
- Fixed error resulting from specifying only BD/NS for certain species
- Fixed error in TOR - Solutions Options Tab for properly reading in % of NAPL Mass
- Improved operation of TOS section when simulated source wells are not the first well
- General improvements to user interface
1.2.0, Release Date 07/30/02
- Fix to properly clear all parameters when starting/opening a project over an existing one
- Fix to properly validate user input in Site Data - Hydrogeology Tab
- Fixed error in TOR - NAPL residual saturation calculation
- Created Tutorials button to link to tutorial/demo files
- Linked Help button to Users Guide
- Improved file operations and prompting for starting, opening, and saving projects
1.1.0, Release Date 05/27/02
- Amended site input to include total porosity as well as effective porosity, and adjusted appropriate equations
- Fix to eliminate the possibility of a graphical error in transient solution of TOS calculations
- Fix for TOS - steady-state solution graph to accept changes to the distance axis
- Fix to properly adjust axis spacing when changing to and from Log scale on graphs
- Improved TOR Calculation pop-up window to provide user more information on status of calculation
1.0.0, Release Date 05/06/02
