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General comment The data for the calculation of modules A1-A4 came from verified LCI inventory data from the plant. In accordance with Annex E of EN 15804 + A2, a data quality assessment was carried out. For technical representativeness, processes with a quality level of "very good" represent 99% of the values for the climate change indicators. For geographical and temporal representativeness, a process evaluation level of "very good" was obtained.
The allocation in this study was made in accordance with the ITB PCR A guidelines. The production and storage of the products covered in this declaration takes place at the production site of Röben Polska at 2 Ceramiczna Street in Sroda Slaska. Input data and emissions were collected for the production facility. All inputs from raw material extraction are allocated in module A1. The production of products is based on raw materials and rubble, which is post-production waste. 100% of the receipts from the production lines have been inventoried and allocated to the production of products. Module A2 includes the transport of raw materials from Polish and foreign distributors to the factory in Sroda Slaska. The utilities for the entire production process were inventoried and included in module A3.
100% of input materials and 100% of utility consumption were inventoried at the Sroda Slaska production plant. All relevant parameters from the collected production data are included in the assessment, i.e. all materials used for production and electricity, natural gas, diesel, water, wastewater and emissions consumed.
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