; and for matching grants or cooperative agreements, $145,475,000, of which $121,351,000 is to remain available until September 30, 2020, and of which $24,124,000 is to remain available until expended: Provided , That this total appropriation shall be reduced by amounts collected by the Secretary and credited to this appropriation from additions to receipts resulting from increases to lease rental rates in effect on August 5, 1993, and from cost recovery fees from activities conducted by the Bureau of Safety and Environmental Enforcement pursuant to the Outer Continental Shelf Lands Act, including studies, assessments, analysis, and miscellaneous administrative activities: Provided further , That the sum herein appropriated shall be reduced as such collections are received during the fiscal year, so as to result in a final fiscal year 2019 appropriation estimated at not more than $121,351,000. For an additional amount, $41,765,000, to remain available until expended, to be reduced by amounts collected by the Secretary and credited to this appropriation, which shall be derived from non-refundable inspection fees collected in fiscal year 2019, as provided in this Act: Provided , That to the extent that amounts realized from such inspection fees exceed $41,765,000, the amounts realized in excess of $41,765,000 shall be credited to this appropriation and remain available until expended: Provided further , That for fiscal year 2019, not less than 50 percent of the inspection fees expended by the Bureau of Safety and Environmental Enforcement will be used to fund personnel and mission-related costs to expand capacity and expedite the orderly development, subject to environmental safeguards, of the Outer Continental Shelf pursuant to the Outer Continental Shelf Lands Act (43 U.S.C. 1331 et seq.), including the review of applications for permits to drill. Oil spill research For necessary expenses to carry out title I, section 1016, title IV, sections 4202 and 4303, title VII, and title VIII, section 8201 of the Oil