ECOSAR is maintained and developed as a stand-along program by EPA.Users may not alter, modify, merge, adapt, or prepare derivative works from the software. Permission is granted for individuals to download and use the software on their personal and business computers. Information on use and set-up is provided in the ECOSAR Operation Manual v2.2 and ECOSAR Methodology Document v2.2. Check out Updates from ECOSAR v1.11 to v2.2 to see updates since ECOSAR v1.11. Continuous update of aquatic QSARs based on collected or submitted experimental studies from both public and confidential sourcesĮCOSAR software is available for free and is posted below as a downloadable software program without licensing requirements.Programming of a classification scheme in order to identify the most representative class for new or untested chemicals.
Grouping of structurally similar organic chemicals with available experimental effect levels that are correlated with physicochemical properties in order to predict toxicity of new or untested industrial chemicals.
Key characteristics of the program include: The program estimates a chemical's acute (short-term) toxicity and chronic (long-term or delayed) toxicity to aquatic organisms, such as fish, aquatic invertebrates, and aquatic plants, by using computerized Structure Activity Relationships (SARs). The Ecological Structure Activity Relationships (ECOSAR) Class Program is a computerized predictive system that estimates aquatic toxicity.
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