Sandoval Zinc Company
Marion County - Sandoval, Illinois
Sandoval Zinc Company operated a smelter for 85 years. Zinc smelting is the
process for converting zinc-bearing ores into pure zinc. The company closed
in 1985 and filed bankruptcy in 1986. Air emissions from the plant included
metals and wind-blown ash. Large amounts of the cinder/slag from smelting were
used in constructing and surfacing secondary roads and for fill material on
the property. The cinder/slag material not used by the plant was offered
to the public and the Village of Sandoval to construct roads, driveways, sidewalks
and parking lots.
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