Site: Compressor Station
Contaminant: Condensate (benzene) (LNAPL/free product present)
Soil Type: Silty Clays
Initial Design Reduce plume size by about 66% and
Objective: concentrations in hot zone to 20 to 25 ppm
Injection Cost: $76,000 (material & labor)
Plume Area (before): approximately 12,000 sq. ft. (3200 sq. ft. inside building)
Thickness (2 depths): Shallow - 10 to 20 feet bgs, and Deep - 24 to 34 feet bgs
Plume Area (after): ~1250 sq. ft. – 90% reduction (10 months after treatment)
Groundwater: varies from 14 to 16 feet bgs

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