N.Y. Environmental Conservation Law § 27-0503
2. The commissioner shall enter into a grant agreement pursuant to this title only upon a finding that the municipality has given due consideration to the items listed below or that such consideration will be given through the fulfillment of the terms of the proposed grant agreement. Pursuant to section 27-0505 of this title, the commissioner shall adopt guidelines relative to the criteria for making such finding. These guidelines shall require at least that relative to the proposed facility, system or actions which are to be the subject of the proposed grant agreement, due consideration shall be given to:
(b) reasonable alternatives which would achieve the same or similar objectives, including opportunities for utilizing:
3. Payments authorized pursuant to this title shall be made in three apportionments in accordance with the following:
(b) the balance of the grant, less retained percentages, shall be payable: