# Commission Directive 2004/73/EC of 29 April 2004 adapting to technical progress for the twenty-ninth time Council Directive 67/548/EEC on the approximation of the laws, regulations and administrative provisions relating to the classification, packaging and labelling of dangerous substances (Text with EEA relevance), Division 1.9.1: Test conditions

Extent: E+W+S+N.I.

The test-should be performed in the incubation apparatus (see section 1.8.1) with a water sediment volume ratio between 3:1 and 4:1, and a sediment layer of 2.5 cm (± 0.5 cm).1 A minimum amount of 50 g of sediment (dry weight basis) per incubation vessel is recommended.
The test should be performed in the dark at a constant temperature in the range of 10 to 30 oC. A temperature of (20 ± 2)oC is appropriate. Where appropriate, an additional lower temperature (e.g. 10oC) may be considered on a case-by-case basis, depending on the information required from the test. Incubation temperature should be monitored and reported.

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Source: https://www.legislation.gov.uk/eudr/2004/73/annex/2I/division/C.24/division/1/division/1.9/division/1.9.1 (the official version)
Page: https://openlegislation.uk/eu-directive-2004-73/annex-2I/division-C.24/division-1/division-1.9/division-1.9.1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.