1 Scope
This document determines the fuel quality classes and specifications of graded firewood. This document covers only firewood produced from the following raw materials (see ISO 17725‑1:2021, Table 1):
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— 1.1.1 Whole trees without roots;
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— 1.1.3 Stem wood;
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— 1.1.4 Logging residues (thick branches, tops etc.);
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— 1.2.1 Chemically untreated by-products and residues from wood processing industry.