A methodology for land-use planning involving chemical sites has been developed for making decisions in local and regional administrations. The methodology treats land-use planning as a multi criteria decision and structures the planning process in sevensteps, where one can loop through the steps several times. Essential for the methodology is the specification of objectives setting the frame in which the alternatives are assessed and compared. The complete list of objectives includes the followingitems: safety and accidents, public distortion and health, environmental impact, cultural and natural heritage, societal and company aspects, with focus laid on the safety related items. An approach based on efficient frontier curves has been used forcomparison of alternatives having land-use pattern as variable. Central to the application of the proposed methodology is a GIS based software platform enabling the users to generate alternatives, select the preferred ones and peruse efficient solutionsboth in terms of the implied land use patterns and the corresponding consequences. Study material has been gathered from planning cases in Sweden, Denmark and Greece. The work described in this report has received financial support through the CECEnvironment and Climate Programme (contract no. ENV4-CT96-0241).