Journal Pre-proof Spatial distribution and provenance of heavy metal contamination in the sediments of the Indus River and its tributaries, North Pakistan: Evaluation of pollution and potential risks Qazi Ahmed Usman, Said Muhammad, Wajid Ali, Saeeda Yousaf, Ishtiaq A.K. Jadoon PII: S2352-1864(20)31484-X DOI: https://doi.org/10.1016/j.eti.2020.101184 Reference: ETI 101184 To appear in: Environmental Technology & Innovation Received date : 12 March 2020 Revised date : 24 September 2020 Accepted date : 24 September 2020 Please cite this article as: Q.A. Usman, S. Muhammad, W. Ali et al., Spatial distribution and provenance of heavy metal contamination in the sediments of the Indus River and its tributaries, North Pakistan: Evaluation of pollution and potential risks. Environmental Technology & Innovation (2020), doi: https://doi.org/10.1016/j.eti.2020.101184. This is a PDF ﬁle of an article that has undergone enhancements after acceptance, such as the addition of a cover page and metadata, and formatting for readability, but it is not yet the deﬁnitive version of record. This version will undergo additional copyediting, typesetting and review before it is published in its ﬁnal form, but we are providing this version to give early visibility of the article. Please note that, during the production process, errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain. © 2020 Published by Elsevier B.V.