Technologies such as ground penetrating radar must be utilized to map the subsurface before the heating system is installed. A potential explosion hazard exists. If concentrated fumes are released from the vacuum unit, the conditions may create a potential explosion. Level D personnel protection was used during installation and operation of the system. Community Safety SPSH with offgas treatment should not produce any routine release of contaminants at a significant level to affect the public.
Barriers enclose the treated area to prevent direct access to the site.
Environmental Impacts Treated soil, left in place, will be dry. Soil moisture can be restored with further or no follow-up treatment. The treated area will need to be defoliated and evened with a bulldozer. Socioeconomic Impacts and Community Perception SPSH has a minimal economic or labor force impact. It has also been explained to the public at Hanford and received positive input.