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General comment The data selected for LCA analysis originate from ITB-LCI questionnaires completed by Nowy Styl sp. z o.o. using the inventory data, ITB and Ecoinvent databases. No specific data collected is older than five years and no generic datasets used are older than ten years. The representativeness, completeness, reliability, and consistency are judged as good.
The allocation rules used for this EPD are based on general ITB-PCR A v. 1.5. production of the desks, workbenches and tables eModel 2.0 is a line process carried out in four factories of Nowy Styl sp. z o.o. located in Krosno and Rzepedz (Poland). Allocation was done on product mass basis. All impacts from raw materials extraction are allocated in A1 module of the LCA. 100% of impacts from the line production of Nowy Styl sp. z o.o. were inventoried and 2.2% eModel 2.0 were allocated to 2.2% eModel 2.0 production. Utilization of packaging material was taken into consideration. Module A2 includes transport of raw materials such as wood-faced boards, wood, polymer components, steel elements, papers, additives, ancillary materials and packaging materials from their suppliers to Nowy Styl sp. z o.o. in Jaslo and in Rzepedz. Municipal wastes of factory were allocated to module A3. Energy supply was inventoried for whole factory and was allocated to the of the desks, workbenches and tables eModel 2.0 production. Emissions in the factory are measured and were allocated to module A3. The green energy purchased by Nowy Styl sp. z o.o. in 2020 was not included in the LCA calculation.
The life cycle analysis of the declared products covers “Product Stage”, A1-A3, C1, C2, C3, C4 and D modules (Cradle-to-Gate with options) accordance with ISO 14040 and PCR A v.1.5. The details of systems limits are provided in product technical report. Energy and water consumption, emissions as well as information on generated wastes were inventoried and were included in the calculations. It can be assumed that the total sum of omitted processes does not exceed 5% of all impact categories. In accordance with ITB PCR A v. 1.5., machines and facilities (capital goods) required for the production as well as transportation of employees were not included in LCA.
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