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Version 2.2 - March 2002
| Description System Requirements Downloads: Installation and Start-Up Technical Support |
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Important Information
Discussion of Domenico Approximation used in BIOCHLOR, BIOSCREEN, REMChlor Models
Description Back to Top
BIOCHLOR is a screening model that simulates remediation by natural attenuation of dissolved solvents at chlorinated solvent release sites. BIOCHLOR can be used to simulate solute transport without decay and solute transport with biodegredation modeled as a sequential first-order process within one or two different reaction zones.
BIOCHLOR is an easy-to-use screening model that simulates remediation by natural attenuation (RNA) of dissolved solvents at chlorinated solvent release sites. The software, programmed in the Microsoft Excel spreadsheet environment and based on the Domenico analytical solute transport model, has the ability to simulate 1-D advection, 3-D dispersion, linear adsorption, and biotransformation via reductive dechlorination (the dominant biotransformation process at most chlorinated solvent sites). Reductive dechlorination is assumed to occur under anaerobic conditions and dissolved solvent degradation is assumed to follow a sequential first-order decay process. BIOCHLOR includes three different model types:
- Solute transport without decay
- Solute transport with biotransformation modeled as a sequential first-order decay process
- Solute transport with biotransformation modeled as a sequential first-order decay process with two different reaction zones (i.e., each zone has a different set of rate coefficient values)
Minimum System Requirements Back to Top
The BIOCHLOR model requires a computer system capable of running Microsoft Excel '97 or 2000 for Windows. Operation requires an IBM-compatible PC equipped with a Pentium II or later processor. A minimum of 64 MB of system memory (RAM) is strongly recommended.
Installation and Start-Up Back to Top
Getting Started:
You will need the free Adobe Reader to view some of the files on this page. See EPA's PDF page to learn more about PDF, and for a link to the free Acrobat Reader.
Installing the Program:
Four files are available for download:
- biochlor22-2000.exe (Excel 2000 version) User's Manual, installation program, help files, and installation instructions.
- biochlor22-97.exe (Excel '97 version) User's Manual, installation program, help files, and installation instructions.
- biochlor10.pdf (54 pp, 554K): User's Manual for BIOCHLOR Version 1.0, Primary Source of information about BIOCHLOR.
- biochlor22.pdf (13 pp, 491K): User's Manual addendum for BIOCHLOR Version 2.2.
- View the BIOCHLOR10.PDF and BIOCHLOR22.PDF files for further instructions.
- Download BIOCHLOR22_2000.EXE or BIOCHLOR22_97.EXE to a desired location on your computer.
- Run BIOCHLOR22.EXE either by selecting Run from the File menu in Program Manager or by double-clicking on the file BIOCHLOR22.EXE in File Manager (or Windows 95/98 Explorer).
- Follow the on-screen instructions.
- Start the Biochlor22 program by clicking the Start Button(Desktop Toolbar), move to Programs, and click BIOCHLOR22. You can also use Windows Explorer to open folder BIOCHLOR22 and double-click biochlor22.xls file. You will see a message box that asks you whether you want to disable or enable the macros. For BIOCHLOR to operate effectively, you must enable the macros.