Because the presence of the building prevented the majority of the contamination from being removed, Cedar Creek installed a network of wells for injection of chemical reagents. These twenty 18-foot wells were installed in two days, and injection proceeded in a round-robin fashion for five days.

The week-long treatment produced a 96% reduction in gasoline hydrocarbons in groundwater at a fraction of the cost of conventional, long-term, in-situ technologies.

Leaking underground storage tanks at the Police Station/ City Hall in Mossyrock, Washington, contaminating the soil and groundwater with gasoline hydrocarbons.