Unsupervised aided investigation on the associations between municipal solid waste 1 characteristics and socio-economic conditions 2 Jun-Jie Zhu 1,2 , Daeryong Park 3 , Da Tian Chang 4 , Cheng Cheng 1 , 3 Paul R. Anderson 1 , Huan-Jung Fan 4,* 4 5 1 Department of Civil, Architectural and Environmental, Illinois Institute of Technology, 6 Chicago, IL 60616-3793, USA 7 2 Current affiliation: Department of Civil and Environmental Engineering, Princeton University, 8 Princeton, NJ 08544, USA 9 3 Department of Civil and Environmental Engineering, Konkuk University, 120 Neungdong-ro, 10 Gwangjin-gu, Seoul 05029, Korea 11 4 Department of Environmental, Safety and Health Engineering, Hungkuang University, 12 Taichung 43302, Taiwan 13 14 * Correspondence: fan@sunrise.hk.edu.tw 15 16 This is the submitted version of Zhu et al. (2021). 17 The final peer-reviewed, revised, formatted, and published version can be retrieved at: 18 https://doi.org/10.1016/j.envres.2020.110633. 19 The publisher also offers 50 day’s access (before February 17, 2021), check the following link 20 to see if it is still available: https://authors.elsevier.com/c/1cK6w3Ao5vNEj. 21 22 An example citation format: 23 Zhu, J.-J., Park, D., Cheng, C., Anderson, P. R., & Fan, H. J. (2021). Unsupervised aided 24 investigation on the associations between municipal solid waste characteristics and socio- 25 economic conditions. Environmental Research, 194, 110633. 26 27