The environmental impact assessment (in Indonesia, known as AMDAL) is a study of the major and significant impacts of a planned business and / or activity on the environment necessary for the decision making process the conduct of business and / or activity in Indonesia. This AMDAL is made when planning a project that is expected to have an impact on the surrounding environment. The meaning of the environment here is the abiotic, biotic and cultural aspects. The legal basis of AMDAL in Indonesia is Government Regulation no. 27 of 2012 on "Environmental Permit" which is a substitute of PP 27 Year 1999 on Amdal. Amdal has been implemented since 1982 in Indonesia.