accepted exposure level aryl hydrocarbon receptor body burden estimated daily intake Conseil Supérieur d’Hygiène International Agency for Research on Cancer lowest observed adverse effect level nanogramme (10 -9 grammes) par kg de poids corporel par jour no observed adverse effect level polychlorobiphényl dibenzo-para-dioxine polychloré dibenzofurane polychloré
ng/kg/d nanogram (10 -9 gram) per kilogram lichaamsgewicht per dag NOAEL no observed adverse effect level PCB polychloorbifenyl PCDD polygechloreerd dibenzo-para-dioxine PCDF polygechloreerd dibenzofuraan