In considering and acting on uses requiring a special use permit, the Planning Board shall consider the public health, safety, and general welfare. The Board shall also consider potential environmental impacts and the comfort and convenience of the public in general, the residents of the proposed development, and the residents of the immediate surrounding area. The Board may prescribe such appropriate conditions and safeguards as may be necessary in order that the results of its action shall, to the maximum extent possible, further the accomplishment of the criteria set forth below. A special use permit shall not be granted until the Planning Board finds that the following criteria, as well as any special criteria, if any, for the particular type of use set forth as a special use permit Condition have been met: