The work has been critically reviewed by an expert office and approved according to the PlasticsEurope Product Category Rules PCR version 2.0 (2011-04), ISO 14040/44 2006 and ISO 14025:2006 standards. The results of this "cradle to gate" study integrate the production of salt/brine and electricity, as well as of the utilities and other materials used in the process. The report is now available for integration in the downstream users' studies. A short version with the key results can be downloaded here.   (09/2013)