Maryland Code, Public Utilities § 17-408

(a) Unless the Commission takes precautions to make a composting facility free of offensive off-site odors, the Commission may not construct the facility in an area that has more than 100 homes that are located within 5 miles of the facility.

(b) The Commission shall adopt regulations that provide standards for the construction and operation of a composting facility that is free of offensive off-site odors.

(c) If the Commission does not control and eliminate any offensive off-site odor that is caused by a composting facility that is constructed after July 1, 1986, the Commission shall close the facility within 4 months after the date the offensive off-site odor is emitted from the facility.

(d) If a composting facility is closed for failure to meet any standards adopted by the Commission under this section, Montgomery County shall select an alternative method or location for the disposition of sludge located at the closed facility.