Modeling Subsurface Petroleum Hydrocarbon Transport

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Cone penetrometer (direct push) truck belonging to the U.S. EPA Subsurface Protection and Remediation Division at a contaminated site.
EPA truck being positioned at site.
Close up of pushing cylinders.
Rod being placed for next push.
Threaded rods waiting to be used.
Truck with rods raised through roof.
Rod in ground with completed grout hole (grout running on surface).
Grout mixing.
Close up of grout hopper.

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