AUTHOR=Onjia Antonije , Huang Xin , Trujillo González Juan Manuel , Egbueri Johnbosco C. TITLE=Editorial: Chemometric approach to distribution, source apportionment, ecological and health risk of trace pollutants JOURNAL=Frontiers in Environmental Science VOLUME=10 YEAR=2022 URL=https://www.frontiersin.org/journals/environmental-science/articles/10.3389/fenvs.2022.1107465 DOI=10.3389/fenvs.2022.1107465 ISSN=2296-665X