1.1.QSAR identifier (title): BCF: The Fish Bioconcentration Factor from OPERA (OPEn saR App) models. 1.2.Other related models: No related models 1.3.Software coding the model: OPERA V1.02 OPERA (OPEn (quantitative) structure-activity Relationship Application) is a standalone free and open source command line application. It provides a suite of QSAR models to predict physicochemical properties and environmental fate of organic chemicals based on PaDEL descriptors. It is available for download in Matlab, C and C++ languages from github under MIT license. Kamel Mansouri ( mansourikamel@gmail.com); https://github.com/kmansouri/OPERA.git PaDEL descriptors V2.21 Open source software to calculate molecular descriptors and fingerprints. Chun Wei Yap (phayapc@nus.edu.sg) http://padel.nus.edu.sg/software/padeldescriptor MATLAB MATrix LABoratory is a multi-paradigm numerical computing environment and fourth-generation programming language http://www.mathworks.com/company/aboutus/contact_us/?s_tid=gn_cntus http://www.mathworks.com/products/matlab/ 2.1.Date of QMRF: 1 November 2016 2.2.QMRF author(s) and contact details: [1]Kamel Mansouri, ORISE research fellow at National Center for Computational Toxicology (NCCT), U.S. Environmental Protection Agency, mansourikamel@gmail.com; mansouri.kamel@epa.gov [2]Antony Williams, National Center for Computational Toxicology (NCCT), U.S. Environmental Protection Agency, Williams.Antony@epa.gov 2.3.Date of QMRF update(s): 2.4.QMRF update(s): QMRF identifier (JRC Inventory):To be entered by JRC QMRF Title:BCF: The Fish Bioconcentration Factor from OPERA (OPEn saR App) models. Printing Date:Dec 5, 2016 1.QSAR identifier 2.General information