After the public hearing the Secretary shall determine whether an invitation for bidding to lease the area under consideration would be in the public interest. In such determination the Secretary shall consider whether a lease or leases of the area under consideration would:
(1) Be detrimental to the health, safety or welfare of persons residing in, owning real property or working in the neighborhood of such areas;
(2) Interfere with the residential or recreation areas to an extent that would render such areas unfit for recreational or residential uses or unfit for park purposes;
(3) Destroy, impair or interfere with the esthetic and scenic values of the Delaware coast, or other affected area;
(4) Create any air, water and other pollution;
(5) Substantially endanger marine life or wildlife;
(6) Substantially interfere with commerce or navigation; and
(7) Protect state lands from drainage of oil, gas or other minerals or objectionable substances.