... optimizing conditions for the remediation of As-contaminated soils using fungi. In addition, there is little information in the litera-ture on the nature of fungi present in As-contaminated ... scorodite in the mine wastes, generated duringcenturies of silver, zinc, and lead mining (126,127), leach As into the aquifersand cause natural As contamination in the drinking water wells of the ... both in situ and ex situ, the latter being both on- and off-site. Suchtreatments often involve application of oxyhydroxide minerals that enhance the As-binding capacity of soils. For instance, the...