Land disposal unit

A land disposal unit, or LDU, is a site in which hazardous waste is remedied through natural and man-made processes.

Types of LDUs for hazardous waste disposal (see RCRA Section 3004(k)):

• Landfill
• Surface impoundment
• Waste pile
• Land treatment unit
• Injection well
• Salt dome formation
• Salt bed formation
• Underground mine
• Underground cave

Sources

• This information is from a U.S. government website, http://www.epa.gov/garbage/landfill/haz_ldu.htm

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