13 Life Cycle Assessment www.thg.eco www.mycarbon.co.uk adam.lowe3@thehutgroup.com info@mycarbon.co.uk 3.4. Data Validation, Assurance and Critical Review During the process of data collection, a permanent and iterative check on data validity is conducted. Validation may involve establishing, for example, mass balances, energy balances and/or comparative analysis of emission factors. Obvious anomalies in the data appearing from such validation procedures shall result in data values complying with the data quality requirements as established. Assurance has been conducted by MyCarbon for THG. This is classed a first party assurance classification due to the production of the inventory report and assurance by the same party. The assurer for this assessment is Michael Greenhough, a competent engineer with significant knowledge and experience of corporate GHG accounting and life cycle assessments. Michael Greenhough did not complete the initial inventory so is classed as an independent first party assurer. MyCarbon have included all emissions factors in this report to aid the assurance process. This checklist is listed in Table 11 within the appendix and ensures transparency as required by the chosen reporting methodology. Due to the nature of first party assurance, the assurance process in this instance is a qualitative assessment of the life cycle assessment, calculations and alignment to the chosen reporting standards as listed in Table 11. THG have two options to ensure the validity of the findings of this report and any statements made about the carbon footprint of the LFBB packaging products using this report are valid and true. Option 1 is to make this report publicly available in an easy to access setting and that any statements relating to the LFBB packaging products carbon footprint reference this report and where it can be located. Option 2 is to receive 3rd party verification by a competent individual or organization to the applicable standard. 3.5. Uncertainty Assessment Table 4 lists the uncertainties that must be assessed as part of the life cycle process. Due to the uncertainty highlighted in the activity data, a 5% error has been applied to increase the overall carbon footprint across all cradle-to-grave phases.
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