Includes work at garbage (trash, rubish) dumps & landfills. Work may include new construction, maintenance, remediation, leachate (liquids) collection and methane extraction. Leachate collection and methane extraction may involve directional boring so should go in as a Lead for further research. Most modern landfills have liners and leachate collection systems built in place when the landfill is constructed. Some landfill projects may be listed as solid waste projects. Environmental may also be checked for Landfill projects.