**2. Methodology**

This chapter was organized by reviewing of related literatures, collecting primary information, and compiling secondary from various sources. Related peer reviewed articles were compiled online from reputable journals, and secondary data were collected from relevant government offices.-

A sector source-based cross-sectional study was carried out to generate quantitative information of UPOPs amount and evaluate sectoral offices management practices specific to dioxin and furan- in the city. A UNEP model for POPs management was used to assess the main anthropogenic sources of dioxin and furan. The quantity of dioxin and furan released from the identified source- groups was quantified by using UNEP toolkit default emission factor. Open- and close-ended- questionnaires, FGD, and key informant interview were used to collect primary information.

Secondary data were collected from various organizations such as trade and industry birroue, Addis Ababa Environmental Protection authority, Ministry of Environment, Forestry and Climate Change, Addis Ababa city municipality, and other unmentioned source category organizations. The data collected from such kind offices were analyzed and presented in the form- of supplementary information for the analysis. Relevant peer reviewed research articles, international and national legislations, and related literature were collected online and reviewed systematically at informative manner. The articles and standard literatures were read critically to synthesize the information.
