Loose rock as biobarriers in shallow land burial.
D000818:Animals; D001000:Ants; D051379:Mice; D010944:Plants; D011850:Radioactive Waste; D012037:Refuse Disposal / Q000379:methods; D012990:Soil Pollutants, Radioactive
D011850:Radioactive Waste; D012990:Soil Pollutants, Radioactive