Our website provides a free download of BIOScreen 1.4. The software relates to Education Tools. This free program was originally designed by US Environmental Protection Agency.
From the developer:
BIOSCREEN is a screening model that simulates remediation through natural attenuation of dissolved hydrocarbons at petroleum fuel release sites.
You may want to check out more software, such as Bioscreen-AT or Research Express, which might be similar to BIOScreen.