The growing importance of environmental management is reflected in a number of important regulations and standards. The aim of these standards and regulations is to harmonize environmental management. All standards emphasize the need of controlling tools for environmental management as well as the need of environmental information system - environmental accounting - as one important part of corporate environmental management. One part of environmental accounting is the identification of environmental costs. Tracking and tracing of environmental costs is a precondition for correct allocation to cost carriers (products) and cost centers. This article deals with the projects of tracking and tracing of environmental costs of the plants incorporated into tha chemical company Synthesia Pardubice.