A disposal site other than a MSWLF unit may be granted an exemption to all or any portion of the requirements of Article 6 of this Subchapter if the operator can demonstrate to the satisfaction of the EA that there is no potential for adverse impacts on public health and safety and the environment, based upon but not limited to: the amount, nature and age of refuse; projected landfill gas generation; and remoteness of the disposal site. Exemptions shall be reviewed by the EA at least every five (5) years and in conjunction with the five (5) year permit review for those sites which have a solid waste facilities permit, and, based on the results, the EA may extend or terminate the exemption. Any exemption granted by the EA shall be in writing and shall contain sufficient relevant information that justifies the exemption.