Inhibiting acid mine drainage by displacing oxygen in rock heap

Injection hopper for use in a material delivery system

Injection of mixtures into subterranean formations

Inspectable vault system for the disposal of radioactive waste h

Land fill for waste materials and method of making the same

Land reclamation system

Landfill garbage management process

Landfill leachate control process and product

Landfill liner leak detection system and method

Lining for bore holes in salt domes

Lysimeter for leak detection and method of assembly thereof

Material containment system

Material treatment method and apparatus

Means and method for hydraulically isolating unsaturated zones i

Mercury-removal method

Metered blending equipment for soils, sludges and liquid/solid m

Method and apparatus for applying a daily cover to dumped waste

Method and apparatus for cellularly isolating, treating and/or r

Method and apparatus for confining and reclaiming hydrocarbon co

Method and apparatus for controlling in situ waste remediation