Four methodological tests were conducted as part of the pilot project to assess the reproducibility and comparability of product carbon footprint results, two aspects at the heart of the pilot.
Test A
If two practitioners calculate the carbon footprint of the same product (e.g. an incandescent light bulb), using the same baseline methodology and the same PCR, will they arrive at two different results? If so, is the difference significant?
Test B
If a practitioner calculates the carbon footprint a product (e.g. an incandescent light bulb), using the same baseline methodology but with two different PCRs, will he arrive at two different results? If so, what is this difference due to and it is significant?
Test C
If a practitioner calculates the carbon footprint of the same product (e.g. an incandescent light bulb), using the same baseline methodology and the same PCR, but applying two different levels of interpretation (more or less conservative) will this affect results? If so, what is this difference due to and it is significant?
Test D
If a practitioner calculates the carbon footprint of the same product (e.g. an incandescent light bulb), using the same baseline methodology and the same PCR, but using two different databases to modelize secondary data, will this affect results? If so, what is this difference due to and it is significant?
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