… the CEFIC Guidance for SPERC development and to present the results of a research project of the German Umweltbundesamt which was initiated to evaluate the spERCs available at this time. In this project the approaches of several industry sector organisations for developing … the CEFIC Guidance for SPERC development and to present the results of a research project of the German Umweltbundesamt which was initiated to evaluate the spERCs …