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{

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   "@type": "CreativeWork",
   "name": "PHAST - A Computer Program for Simulating Groundwater Flow, Solute Transport, and Multicomponent Geochemical Reactions",
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       "abstract": "The computer program PHAST (PHREEQC And HST3D) simulates multicomponent, reactive solute transport in three-dimensional saturated groundwater flow systems. PHAST is a versatile groundwater flow and solute-transport simulator with capabilities to model a wide range of equilibrium and kinetic geochemical reactions. The flow and transport calculations are based on a modified version of HST3D that is restricted to constant fluid density and constant temperature. The geochemical reactions are simulated with the geochemical model PHREEQC, which is embedded in PHAST."
     },
     {
       "@type": "TextObject",
       "additionalType": "short description",
       "abstract": "Model item published in 2004-12-20 sourced from the USGS Model Catalog"
     }
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}

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