Subject to subsection (b) of this section, the Secretary shall make payments to each State or affected Indian tribe that has entered into an agreement pursuant to section
of this title. The Secretary shall pay an amount equal to 100 percent of the expenses incurred by such State or Indian tribe in engaging in any monitoring, testing, evaluation, or other consultation and cooperation activity under section
of this title with respect to any site. The amount paid by the Secretary under this paragraph shall not exceed $3,000,000 per year from the date on which the site involved was identified to the date on which the decontamination and decommission of the facility is complete pursuant to section
of this title. Any such payment may only be made to a State in which a potential site for a test and evaluation facility has been identified under section
of this title, or to an affected Indian tribe where the potential site has been identified under such section.