The purpose of the Environmental Liabilities Guidance section is to share these materials with Department of Energy’s (DOE) contractors and others that are outside the DOE firewalls and cannot access these materials through the DOE Intranet sites. This guidance is intended to provide policies, principles, and education regarding the environmental liability estimation and reporting process at DOE. Questions regarding these materials or the environmental liability estimation process should be directed to rachel.pectol@hq.doe.gov and kevin.majane@hq.doe.gov.