Sandoval Zinc Company
An uncontrolled waste pile made up of cinders and slag covers approximately five acres of the facility. The cinder/slag contains elevated levels of lead, zinc and other metals. Contaminants have migrated from the site to a drainage ditch and adjacent pond and wetlands. Antimony, arsenic, cadmium, lead, mercury, nickel and zinc were detected in the wetlands in excess of U.S.EPAs regional sediment screening values. Antimony, arsenic, lead and zinc have been found in residential yards in excess of U.S.EPAs regional screening levels.