TY - RPRT TI - Refining sources of polychlorinated biphenyls in the Back River watershed, Baltimore, Maryland, 2018–2020 AU - Emily H. Majcher AU - Upal Ghosh AU - Trevor P. Needham AU - Nathalie Lombard AU - Ellie P. Foss AU - Mandare Bokare AU - Sarahana Joshee AU - Louis Cheung AU - Jada Damond AU - Michelle M. Lorah PY - 2022 DO - 10.3133/sir20225012 UR - https://pubs.usgs.gov/publication/sir20225012 ID - sir20225012 ER -