EVS-EN 12579:2013

This European Standard specifies methods for sampling soil improvers and growing media (excluding liming materials) for subsequent determination of quality and quantity. It outlines the principles to be taken into consideration when taking the sample and ensuring an adequate quantity is available for testing.
This standard only applies to material in solid form, including pre-shaped media.
This standard is intended to be used by manufacturers, buyers and enforcement agencies in verifying claims made for these products. It is not intended that it should necessarily be used for the purpose of manufacturing control.
The requirements of this standard may differ from the national legal requirements for the declaration of the product concerned.