Samples must be handled correctly to ensure the sample reaches the laboratory in a suitable condition an that the material or product is representative of the entire batch.

A practical guide for laboratory analysis is given in the following information sheet Sample Management for Consistent Analysis of Products and Raw Materials. This resource can be downloaded for free: Information Sheet No. 3-11

This information sheet is from the package Producing Quality Compost that provides guidance to manufacturers to produce quality composts and value added products.