Pub. L. 109–54, title II, Aug. 2, 2005, 119 Stat. 531, provided in part that: “Beginning in fiscal year 2006 and thereafter, and notwithstanding section 306 of the Toxic Substances Control Act [15 U.S.C. 2666], the Federal share of the cost of radon program activities implemented with Federal assistance under section 306 shall not exceed 60 percent in the third and subsequent grant years.”