Abstract
After a general theoretical discussion on the question of rating within a framework of cost-benefit studies, first trials as to the quantification and standardization of twelve selected environmental criteria by means of an indicator system are worked out and compiled as to how they are required for an evaluation based on a multi criteria analysis. The selection includes the criteria exhaust gas, dust, micro climate, water pollution, water regime, land requirement, vibration, traffic noise, landscape scene, urban scene, effect of separation and safety risk.