I.S. EN ISO 18135:2017

National Foreword
European foreword
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols
5 Principle
6 Establishing a sampling scheme (sampling plan)
7 Visual inspection
8 Number of increments
9 Calculation of the size of increment
10 Combined sample - Calculation of the volume of
   the combined sample
11 Sampling equipment
12 Sampling in practice
13 Sample generation for combined samples and laboratory
   samples
14 Performance characteristics
15 Handling and storage of samples
16 Sampling certificates
Annex A (informative) - Model sampling plan and sampling
        certificate
Annex B (informative) - Sampling from large stockpiles
Annex C (informative) - Bulk densities of solid biofuels
Annex D (informative) - Reference values for V[I] and V[PT]
Annex E (informative) - Guidelines for the number of increments
        to be taken
Annex F (informative) - Quality parameters for various solid biofuels
        in BIONORM projects and large shipments of wood pellets
Annex G (informative) - Single delivery sampling
Annex H (informative) - Continuous delivery sampling
Bibliography

Explains methods for preparing sampling plans and certificates, as well as taking samples of solid biofuels, for example, from the place where the raw materials grow, from production plant, from deliveries, e.g. lorry loads, or from stock.