History and radiological and chemical situation of sites (out of installations)

This file of synthesis comes within the environmental action committed by the cea center of Saclay since the beginning of years 2000 and integrated since 2004 in the sphere of certification ISO 14001, present in 19 cards. The chronological events and the actual radiological and chemical situation of sites and areas followed by the Cea Saclay, out of installations, the past practices having leading to a labelling of environment, the assessment of liquid and gaseous releases, with an estimation of these releases in tritium and carbon 14 for the former periods (we have no measurement results for it) by means of poplar tree circles, environmental impact due to theses releases and past practices. (N.C.)