Landfill cap and method of sealing landfill
Landfill liner for capturing certain leachate contaminants in th
Lead decontamination method
Liquid hydrocarbon sorbing and solidifying pillow
Low permeability waste containment construction and composition
Low shear treatment for the removal of free hydrocarbons,...
Low-temperature method for containing thermally degradable hazar
Low-temperature solidification of radioactive and hazardous...