; (2) the Committee on Energy and Commerce of the House of Representatives; (3) the Senators of each State in which the Director carried out the sampling; and (4) each Member of the House of Representatives that represents a district in which the Director carried out the sampling. 6734. Data usage (a) In general The Director shall provide the sampling data collected under section 6733 to— (1) the Administrator; and (2) other Federal and State regulatory agencies on request. (b) Usage The sampling data provided under subsection (a) shall be used to inform and enhance assessments of exposure, likely health and environmental impacts, and remediation priorities. 6735. Collaboration In carrying out this subtitle, the Director shall collaborate with— (1) appropriate Federal and State regulators; (2) institutions of higher education; (3) research institutions; and (4) other expert stakeholders. 6736. Authorization of appropriations There are authorized to be appropriated to the Director to carry out this subtitle— (1) $5,000,000 for fiscal year 2020; and (2) $10,000,000 for each of fiscal years 2021 through 2024. D Safe Drinking Water Assistance 6741. Definitions In this subtitle: (1) Contaminant The term contaminant means any physical, chemical, biological, or radiological substance or matter in water. (2) Contaminant of emerging concern; emerging contaminant The terms contaminant of emerging concern and emerging contaminant mean a contaminant— (A) for which the Administrator has not promulgated a national primary drinking water regulation