Soil improvers and growing media. Determination of organic matter content and ash Ingestion-build-81500 ISO 20661 applies only to

ISO 20661 applies only to the installed components

BS EN 13190 is useful as it provides guidance on dial thermometers and their test procedures which can be beneficial for your business

In terms of workers’ health and safety

ISO 12687 can be particularly beneficial for quality control purposes to ensure your metallic coating materials are fit for its intended use

the combination of a single machine being used with any other machine (as part of a line)

Soil improvers and growing media. Determination of organic matter content and ash Ingestion-build-81500 ISO 20661 applies only to1 Scope This European Standard specifies a routine method for determining the organic matter and the ash content of soil improvers and growing media. This method is not applicable to liming materials and preformed materials such as mineral wool slabs and foam slabs. The requirements of the standard may differ from the national legal requirements for the declaration of the products concerned.