This report provides the accessible scientific basis and validation for the statements and recommendations made in the Summary for Policy-makers: Arctic Pollution Issues 2015 reporti that was delivered to Arctic Council Ministers at their meeting in Iqaluit, Canada in April 2015. It is also the basis for a related AMAP State of the Arctic Environment report Arctic Pollution Issues 2015: Overviewii. It includes extensive background data and references to the scientific literature, and details the sources for graphics reproduced in the overview report. Whereas the Summary for Policy-makers report contains recommendations that focus mainly on policy-relevant actions concerned with addressing contaminant impacts on Arctic human populations, the conclusions and recommendations presented in this report also cover issues of a more scientific nature, such as proposals for filling gaps in knowledge, and recommendations relevant to future monitoring and research work.