There is hereby created in the state treasury a special nonreverting fund to be known as the Methamphetamine Cleanup Fund, hereafter referred to as “the Fund.” The Fund shall be established on the books of the Comptroller. All moneys assessed against a person convicted of manufacture of methamphetamine as methamphetamine cleanup funds pursuant to subsection C1 of § 18.2-248 shall be paid into the state treasury and credited to the Fund. Interest earned on moneys in the Fund shall remain in the Fund and be credited to it. Any moneys remaining in the Fund, including interest thereon, at the end of each fiscal year shall not revert to the general fund but shall remain in the Fund. Moneys in the Fund shall be used solely for the purposes of restoration to an environmentally sound state sites used for the criminal manufacture of methamphetamine. Expenditures and disbursements from the Fund shall be made by the State Treasurer on warrants issued by the Comptroller upon written request signed by any agency of the Commonwealth, law-enforcement agency, or locality with the responsibility for and engaged in a specific methamphetamine site cleanup.