What is WATER9?
WATER9, the wastewater treatment model, is a Windows based computer program and consists of analytical expressions for estimating air emissions of individual waste constituents in wastewater collection, storage, treatment, and disposal facilities; a database listing many of the organic compounds; and procedures for …
What is Toxchem?
Toxchem is mainly used for estimating VOC air emissions from wastewater collection, preliminary/primary/secondary treatment and disposal facilities. The site specific wastewater characteristics, contaminant properties and the process design and operating information are used to estimate VOC emission rates.
What is the purpose of the water9 model?
WATER9 contains a set of model units that can be used together in a project to provide a model for an entire facility. WATER9 is able to evaluate a full facility that contains multiple wastewater inlet streams, multiple collection systems, and complex treatment configurations.
What is the difference between water9 and water9 version 3?
The EPA document, AIR EMISSIONS MODELS FOR WASTE AND WASTEWATER includes the equations used in the WATER9 model. WATER9 version 3 is an update and an upgrade of the previous version of WATER9. New features have been added to improve the use of WATER9.
How do I download and install water9?
To install WATER9, download the program file, uncompress the file (see explanation of ZIP format under Explanation of File Formats) and then run the resulting setup.exe file. Mulitple file installation. These are smaller files for slower internet connections.
Can I still get assistance with water9?
Therefore, we can no longer provide assistance to users of WATER9. The model will remain on the website to be used at your discretion and at your own risk. Version 3.0 is an update and upgrade to the previous version.