; and (ii) a former National Guard facility. (3) Fully fluorinated carbon atom The term fully fluorinated carbon atom means a carbon atom on which all the hydrogen substituents have been replaced by fluorine. (4) Perfluorinated compound The term perfluorinated compound means a per­flu­oro­al­kyl substance or a polyfluoroalkyl substance (or PFAS ) that is manmade with at least 1 fully fluorinated carbon atom. (5) State The term State has the meaning given the term in section 101 of the Comprehensive Environmental Response, Compensation, and Liability Act of 1980 ( 42 U.S.C. 9601 ). (b) Cooperative agreement (1) In general On request by the Governor or chief executive of a State, a Federal department or agency shall work expeditiously to finalize a cooperative agreement for, or to amend an existing cooperative agreement to address, testing, monitoring, removal, and remedial actions to address contamination or suspected contamination of drinking water, surface water, or groundwater or land surface or subsurface strata from a perfluorinated compound— (A) originating from a Federal facility