Calculation method for oxidising gases
Where a waste contains a substance assigned H270 it is possible to calculate whether or not the waste displays HP 2. The calculation method is provided by ISO 10156 (as amended) and should be applied in accordance with the ECHA CLP Guidance. Figure 8 sets out the assessment process for HP 2 (3).
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Source: EUR-Lex (Cellar) · retrieved 2026-09-07