Liquid hydrocarbon sorbing and solidifying pillow

Management system for water-barrier sheet

Means for installing membranes in containment pits for tanks sto

Method for controlling water influx into underground cavities

Method for forming a moisture barrier in a soil containing solub

Method for treating porous media

Method for waterproofing surfaces

Method of constructing means for directing or holding water

Method of directing or holding water

Method of providing earth covering useful for water harvesting

Method of waterproofing with a self-healing bentonite sheet mate

Moisture impervient barrier and method for making same

Moisture-impervious panel capable of delayed hydration

Permanent bin for temporary storage of hazardous materials

Pipelaying in artic offshore waters

Plastic lined canal

Pond sealing

Pressure barrier liner

Process and composition for forming an earthen hardpan

Process and composition for forming an earthen hardpan