Sean C. Morgan
The Department of Environmental Quality is using soybean oil to clean up the plume of chlorinated solvents that contaminates the Midway area ground water.
Contractor Hart Crowser, Inc., and subcontractor Cascade Drilling, Inc., spent last week at the former site of Ridgeway Logging on the corner of 46th and Highway 20 on the cleanup.
The soybean oil provides a food source for a naturally occurring bacteria already in the ground, Dave Anderson,…