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Information technology - MPEG systems technologies - Part 10: Carriage of timed metadata metrics of media in ISO base media file format - Amendment 2: Support for Attenuation Maps

Test method for assessing the performance of gas-phase air cleaning media and devices for general ventilation - Part 1: Gas-phase air cleaning media

Flat sheet filter media - Part 1: Fractional efficiency test for general ventilation applications

Soil improvers and growing media - Determination of nitrogen - Part 2: Dumas method

Project

prEN 15761

Pre-shaped growing media - Determination of the dimensions measured and bulk density

Microbiology of food, animal feed and water - Preparation, production, storage and performance testing of culture media

Microbiology of food, animal feed and water - Preparation, production, storage and performance testing of culture media

Soil improvers and growing media - Determination of nitrogen - Part 2: Dumas method

Soil improvers and growing media - Determination of the aerobic biological activity - Part 2: Self heating test for compost

Soil improvers and growing media - Determination of the aerobic biological activity - Part 2: Self heating test for compost

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