It's unclear how much taxpayer money, if any, it will take to overhaul the EPA museum to reflect the views of the Trump administration. Grantham said $45,000 remains in the agency's contract with the Smithsonian, but the costs would depend in part on how many changes ultimately get made. The money must be committed by Sept. 30, because it does not carry over to the new fiscal year, which will start Oct. 1.