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the concentration of material in air, water, soil or sediment to which test organisms are exposed which is estimated to be lethal to 50 % of the test organisms, aine mürgisisaldus, mis surmab pool katseorganismidest
LC . EKI terminibaas Esterm. Estonian Language Institute, Sõnaveeb 2026. https://sonaveeb.ee/search/unif/est,mul/esterm/LC/1/est (03.09.2026)
