; (ii) by redesignating clauses (iii) and (iv) as clauses (iv) and (v), respectively; (iii) by inserting after clause (ii) the following: (iii) Research to understand and quantify the effects of sublethal impacts of oil discharge on living natural marine resources, including impacts on pelagic fish species, marine mammals, and commercially and recreationally targeted fish and shellfish species. ; and (iv) by inserting after clause (v), as redesignated by subclause (II), the following: (vi) Research to understand the long-term effects of major oil discharges and the long-term effects of smaller endemic oil discharges. (vii) Potential impacts on ecosystems, habitat, and wildlife from the additional toxicity, heavy metal concentrations, and increased corrosiveness of mixed crude, such as diluted bitumen crude. (viii) Methods to restore and rehabilitate natural resources and ecosystem functions damaged by oil discharges. ; (D) by striking paragraph (7) and inserting the following: (7) Simulated environmental testing (A) In general Agencies represented on the Interagency Committee shall ensure the long-term use and operation of the Oil and Hazardous Materials Simulated Environmental Test Tank (OHMSETT) Research Center in New Jersey for oil pollution technology testing and evaluations. (B) In-kind contributions (i) In general The Secretary of the Department in which the Coast Guard is operating and the Administrator of the Environmental Protection Agency may accept donations of crude oil and crude oil product samples in the form of in-kind contributions for use by the Federal Government for product testing, research and development, and for other purposes as the Secretary and the Administrator determine appropriate. (ii) Use of donated oil Oil accepted under clause (i) may be used directly by the Secretary and shall be provided to other Federal agencies or departments through interagency agreements to carry out the purposes of this Act.