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DCNR Office Closure Due To COVID-19
DCNR office buildings are currently closed to the public until further notice, but we remain open for tele-business. The NDEP main phone number is (775) 687-4670.
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Environmental Cleanup
Black Mountain Industrial (BMI) Complex
Pioneer Americas, LLC d/b/a Olin Chlor Alkali Products; Stauffer; and Montrose
Pioneer Americas, LLC d/b/a Olin Chlor Alkali Products; Stauffer; and Montrose Historical Photos

Pioneer Americas, LLC d/b/a Olin Chlor Alkali Products; Stauffer; and Montrose Historical Photos

1942-03-31 Aerial view of several buildings under construction at the BMI plant. The image shows a portion of the chlorine plant including brine preparation tanks and footings (upper left) steel framing of the cell renewal building (center) chlorine cell buildings (center right and left) and drying, cooling, and liquefaction units between the cell buildings. The temporary brick grinding building is in the lower right.

1943-02-15 Aerial view of the chlorine plant buildings at BMI.

2005-06-07 Soil Vapor Extraction System. Operated on the site of the former Montrose Plant from 2005 until 2010.

2006-08-23 Groundwater Treatment System. Monitoring well in foreground, treatment system in background.

2008-11-25 Groundwater Treatment System. Fenced enclosure.

2016-03-30 Groundwater Treatment System. Tray air stripper in operation since June 2006.