GERAS|Geo-environmental Risk Research Group

GERAS

　　To quantitatively evaluate the potential risk associated with different kinds of contaminants, such as heavy metals, VOCs, mineral oils and agricultural chemicals, and a variety of environmental problems, such as soil and groundwater pollution, landfill of hazardous wastes and geological storage of CO2, etc., a comprehensive software package entitled Geo-Environmental Risk Assessment System: GERAS has been developed and continuously improved. Basically, 3 versions are available, according to the purposes of application.

　　GERAS-1 consists of conceptual models for risk assessment, and can be used for preliminary or screening assessment.

　　GERAS-2 combines 2-dimentional mass transport simulation together with quantitative risk assessment. This version can be used for site specific assessment.

　　https://www.aist.go.jp/aist_j/press_release/pr2006/pr20060317/pr20060317.html

　　GERAS-1 and GERAS-2 are included in a single CD-ROM and are available upon request.

　　GERAS-3 combines 3-dimensional, multicomponent, multiphase mass transport simulation together with quantitative risk assessment. To facilitate different applications, GERAS-3 has 3 versions as follows (note that most link sites are in Japanese only):

・GERAS-3 (Japanese Version)
　　https://unit.aist.go.jp/georesenv/result/topics/topics6.html　

・GERAS-3(Waste Version)
　　https://unit.aist.go.jp/georesenv/georisk/georisk/GERAS_3_News_2.html

・GERAS-3(English Version)
　　https://unit.aist.go.jp/georesenv/georisk/georisk/geras-e.html　

　　GERAS is available upon request for nonprofit purpose by contact geras-ml@aist.go.jp with necessary information as follows:
　　　　Full name
　　　　Affiliation
　　　　Contact information (phone number, fax number and e-mail address)
　　　　Purpose of application
　　　　Version number of GERAS