Measurements such as wind speed, wind direction, cloud level, and decibel sound pressure readings are taken and recorded. There is a crew of three who daily sweep the range for metal fragments and all collected material is sold to local metal recycling companies. Next we traveled to look at 1940 era storage igloos. This particular igloo is used for hazardous waste storage and is currently empty. Hazardous materials are currently stored in three igloos of the 200 igloos on site.
Production is very small due to the closure of the majority of production lines.
On the right, a close-up of the detail of the igloo's one foot thick reinforced concrete walls. A minimum of two feet soil cover is maintained over the igloos. The design was created to contain an explosion. These water treatment systems replaced open sludge evaporation ponds. This technology is used to remove lead and other heavy metals from waste water.