The thinning of the stratospheric ozone layer is caused by the catalytic effect of halogens under special climate conditions. The increased ultraviolet radiation reaching the surface of the Earth as a result exacerbates problems such as skin cancer and cataracts. The main offending substances are chlorofluorocarbons (CFCs) R11.

For the calculation the characterisation factors according to ÖNORM EN 15804, Annex C are used. For older LCA data (before publication of ÖNORM EN 15804:2014) the POCP potentials according to CML 2001 v3.9 were used.

Proof : LCA accordion

„Admission criteria for product-specific LCA data in the baubook“.

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