“…The most common medium is granular zero-valent iron (Fe 0 ), which has been used to treat chlorinated ethene compounds [1][2][3], toxic heavy metals [4][5][6][7], and chlorinated herbicides [8,9]. Adsorptive media are also used, such as zeolites, straw, wood chips, peat, coal, and tire chips [10][11][12], as are mixtures of granular iron and organic carbon bearing materials [1,13,7,4].…”