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Council Directive 86/280/EEC of 12 June 1986 on limit values and quality objectives for discharges of certain dangerous substances included in List I of the Annex to Directive 76/464/EEC · European Union

>TABLE> >TABLE> Heading C (46): Reference method of measurement 1.The reference method of measurement to be used for determining DDT in effluents and the aquatic environment is gas chromatography with electron capture detection after extraction by means of an appropriate solvent. The limit of determination(1) for total DDT is approximately 4 ìg/l for the aquatic environment and 1 ìg/l for effluents, depending on the number of extraneous substances present in the sample. 2.The reference method to be used for determining DDT in sediments and organisms is gas chromatography with electron capture detection after appropriate preparation of samples. The limit of determination(1) is 1 ìg/kg. 3.The accuracy and precision of the method must be ± 50 % at a concentration which represents twice the value of the limit of determination(1).

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Source: EUR-Lex (Cellar) · retrieved 2026-11-05 · Text as adopted (Official Journal); later amendments are not incorporated in this text.