X the criteria for the allocation of system

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x the criteria for the allocation of system boundaries and the scope of the study, the fi xation of LCA methodologies and speci fi cations to be used in the tool, such as the provision for ecodesign action, environmental footprint for labelling or work with suppliers. The second step is to collect the two types of data necessary to build the LCA model namely, the activity data (e.g. quantity of tons produced, yields of production) and the emission factors (quantity of CO 2 generated per process). To achieve the required precision with minimum effort, the data collection and selection of external sources were performed in an iterative manner, as recommended by the International Reference Life Cycle Data System Handbook. The fi rst iteration deals with rough data col- lection, with minimum and maximum values; association of the assumptions based Fig. 4 Sustainability reporting framework (RG 2011 ) 40 S. Radhakrishnan
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on the textile producer; the use of general or average data for the background and the presentation of preliminary results to identify the key processes and parameters. The second iteration would include additional data collection and fi ne-tuning of the parameters that have a signi fi cant impact. The last iteration will eventually give reliable conclusions. The activity data included bibliographic reviews of national, international or European data while the emission factor dealt with a review of main LCA databases at European or international levels and inventory data, as well as data based on the experiments and visits performed previously (Ooms et al. 2012 ; Wolf et al. 2012 ; EC-JRC-Institute for Environment and Sustainability 2010 ; Wolf et al. 2011 ; EC-JRC 2008 ). The third step is data classi fi cation (Table 3 ) which includes speci fi c data (the data entered into the tool by users), half-speci fi c data (default values entered due to lack of knowledge or cost factor) and generic data (the entered default values not accessible in the interface). The last step is to develop tool interfaces in response to step 1 and step 3 and to de fi ne data and export results. The results are used to assess ecodesign action, calculate the environmental footprint, work with suppliers to improve their pro- cesses and improve speci fi c and half-speci fi c data reliability. A standard version and an expert version are available for use. The standard version deals with the initiation of LCA and eco-design, whereas the expert version develops LCA and eco-design skills through the industrial supply chain (Ooms et al. 2012 ; Parag- ahawewa et al. 2009 ). 4.3 Social Lifecycle Assessment Today s consumers are conscious of their choice of products and their impact on the environment and local economies. The evaluation will include choosing products that will result in less pollution or greater sustainability. The product choices will have social and socioeconomic effects on workers and entire communities where the production takes place. These social and socioeconomic effects are the major focus of a social or socioeconomic lifecycle assessment (S-LCA). This assessment
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