title: Concrete impregnated with chlordane or dieldrin not tubed over by subterranean termites.
mesh_terms: D000818:Animals; D002706:Chlordan; D004026:Dieldrin; D007300:Insect Control; D007313:Insecta; D013997:Time Factors
chemical_list: D002706:Chlordan; D004026:Dieldrin