Versions of Nevada Revised Statutes 459.678 - \'Perfluoroalkyl and polyfluoroalkyl substances\' defined on LawServer 2023 Nevada Revised Statutes 459.678 – ‘Perfluoroalkyl and polyfluoroalkyl substances’ defined 2022 Nevada Revised Statutes 459.678 – ‘Perfluoroalkyl and polyfluoroalkyl substances’ defined 2021 Nevada Revised Statutes 459.678 – ‘Perfluoroalkyl and polyfluoroalkyl substances’ defined. [Effective January 1, 2022.]