ISO 21645:2021
Solid recovered fuels — Methods for sampling
This document specifies methods for taking samples of solid recovered fuels for example from production plants, from deliveries or from stock. It includes manual and mechanical methods.
It is not applicable to solid recovered fuels that are formed by liquid or sludge, but it includes dewatered sludge.
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols
5 Principle
6 Development of a sampling plan
6.1 Principle
6.2 Definition of overall objectives
6.3 Definition of a lot and determining lot size
6.3.1 General
6.3.2 Definition of a lot in case of sampling from a material flow
6.3.3 Definition of a lot in case of transport by a vehicle
6.3.4 Definition of a lot in case of transport by ship
6.3.5 Definition of a lot in case of sampling from a static lot
6.4 Determination of the sampling procedure
6.5 Determination of the number of increments
6.6 Determination of minimum sample mass
6.7 Determination of the minimum increment mass
6.7.1 Determination of minimum increment mass for material flows
6.7.2 Determination of the minimum increment mass for static lots, vehicles or ships
6.8 Determination of the planned increment and planned sample amounts
6.9 Selection of distribution of increments over a lot
6.9.1 General
6.9.2 Determination of the distribution of the increments when sampling from a material flow
6.9.3 Determination of the distribution of the increments when sampling from a vehicle(s)
6.9.4 Implementation of sampling from a static lot
6.10 Sampling equipment and implements
7 Implementation of the sampling plan
7.1 Steps before actual sampling
7.2 Steps during sampling
7.3 Steps after sampling
8 Handling and storage of samples
9 Precision
Annex A (normative) Procedure for the development of a sampling plan
Annex B (normative) Sampling plan
Annex C (informative) Example of a sampling plan
Annex D (normative) Sampling equipment and implements
Annex E (normative) Determination of minimum sample mass
Annex F (normative) Determination of increment mass for sampling from material flows
Annex G (normative) Determination of increment mass for sampling from static lots, vehicles or ships
Annex H (normative) Implementation of sampling plan from a material flow
Annex I (normative) Implementation of the sampling plan from a static lot or vehicle
Annex J (normative) Minimum sample mass required for analysis
Annex K (informative) Additional information about precision
Annex L (informative) Examples for stratified and stratified random sampling
Bibliography
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols
5 Principle
6 Development of a sampling plan
6.1 Principle
6.2 Definition of overall objectives
6.3 Definition of a lot and determining lot size
6.3.1 General
6.3.2 Definition of a lot in case of sampling from a material flow
6.3.3 Definition of a lot in case of transport by a vehicle
6.3.4 Definition of a lot in case of transport by ship
6.3.5 Definition of a lot in case of sampling from a static lot
6.4 Determination of the sampling procedure
6.5 Determination of the number of increments
6.6 Determination of minimum sample mass
6.7 Determination of the minimum increment mass
6.7.1 Determination of minimum increment mass for material flows
6.7.2 Determination of the minimum increment mass for static lots, vehicles or ships
6.8 Determination of the planned increment and planned sample amounts
6.9 Selection of distribution of increments over a lot
6.9.1 General
6.9.2 Determination of the distribution of the increments when sampling from a material flow
6.9.3 Determination of the distribution of the increments when sampling from a vehicle(s)
6.9.4 Implementation of sampling from a static lot
6.10 Sampling equipment and implements
7 Implementation of the sampling plan
7.1 Steps before actual sampling
7.2 Steps during sampling
7.3 Steps after sampling
8 Handling and storage of samples
9 Precision
Annex A (normative) Procedure for the development of a sampling plan
Annex B (normative) Sampling plan
Annex C (informative) Example of a sampling plan
Annex D (normative) Sampling equipment and implements
Annex E (normative) Determination of minimum sample mass
Annex F (normative) Determination of increment mass for sampling from material flows
Annex G (normative) Determination of increment mass for sampling from static lots, vehicles or ships
Annex H (normative) Implementation of sampling plan from a material flow
Annex I (normative) Implementation of the sampling plan from a static lot or vehicle
Annex J (normative) Minimum sample mass required for analysis
Annex K (informative) Additional information about precision
Annex L (informative) Examples for stratified and stratified random sampling
Bibliography