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EVS-EN ISO 17225-4:2021

Solid biofuels - Fuel specifications and classes - Part 4: Graded wood chips (ISO 17225-4:2021)

General information

Valid from 15.03.2021
Base Documents
EN ISO 17225-4:2021; ISO 17225-4:2021
ICS Groups
27.190 Biological sources and alternative sources of energy 75.160.40 Biofuels
Directives or regulations
None

Standard history

Status
Date
Type
Name
15.03.2021
Main
EVS-EN ISO 17225-4:2021
05.06.2014
Main
EVS-EN ISO 17225-4:2014
This document determines the fuel quality classes and specifications of graded wood chips. This document covers only wood chips produced from the following raw materials (see ISO 17225-1:2021, Table 1):
•  1.1 Forest, plantation and other virgin wood;
•  1.2 By-products and residues from wood processing industry;
•  1.3.1 Chemically untreated used wood.
This document covers only wood chips, which are produced with sharp tools, and does not cover hog fuel, which is produced with blunt tools.

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English (PDF 406 KB) Estonian (PDF 209 KB)

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Standards designation

EVS Estonian standard
EN European standard (published by an CEN or CENELEC)
EN ISO International standard adopted as an European standard
ISO International Organization for Standardization’s standard
IEC International Electrotechnical Commission’s standard
HD CENELEC’s harmonisation document
   
EVS-EN European standard implemented in Estonia
EVS-EN ISO International standard adopted in Europe and implemented in Estonia
EVS-EN ISO/IEC International standard/International electrotechnical standard adopted in Europe and implemented in Estonia
EVS-IEC International electrotechnical standard implemented in Estonia
EVS-ISO International standard implemented in Estonia
   
A, AMD amedment
+A a full standard plus the amendment
/A only amendment
COR, AC corrigendum
+COR a full standard plus the corrigendum
NA national annex
+NA a full standard plus the national annex
/NA only national annex
TS technical specification
TR technical report
CWA agreement, developed by a CEN or CENELEC
prEVS-EN (etc) draft standard
   
et the standard is in Estonian only
en the standard is in English only
et-en the standard is in Parallel text Estonian-English