Glossary J - M

Land Application

application of sewage sludge or other waste product to land to condition the soil or fertilize crops or other vegetation.

Lead-210

An unstable form of lead in the uranium-238 decay chain, lead-210 is a significant source of beta radiation.

Low-Level Radioactive Waste

Radioactively contaminated industrial or research waste such as paper, rags, plastic bags, water-treatment residues. It is waste that does not meet the criteria for any of three other categories of radioactive waste: spent nuclear fuel and high-level radioactive waste; transuranic radioactive waste; or uranium mill tailings. Its categorization does not depend the level of radioactivity it contains.

Monitoring

The use of sampling and detection equipment to determine the levels of radiation or other toxic materials in land, air, or water.

Mrem

Millirem, one thousandth of a rem

Municipal Landfill

Landfill that receives household waste, and that is not a land application unit, surface impoundment, injection well, or waste pile. Such a landfill may be publicly or privately owned.