Each road, as defined in COMAR 26.20.01.02B(82), shall be classified as either a primary road or an ancillary road. A primary road is any road which is: Used for transporting coal or spoil; Frequently used for access or other purposes for a period in excess of 6 months; or To be retained for an approved postmining land use. An ancillary road is any road not classified as a primary road. Each person who conducts surface mining activities shall locate, design, construct or reconstruct, utilize, and maintain roads and restore the area to meet the requirements of the Regulatory Program to: Control or prevent erosion, siltation, and the air pollution attendant to erosion, including road dust as well as dust occurring on other exposed surfaces, by measures such as vegetating, watering, using chemical or other dust suppressants, or otherwise stabilizing all exposed surfaces in accordance with current, prudent engineering practices; Control or prevent damage to fish, wildlife, or their habitat and related environmental values; Control or prevent additional contributions of suspended solids to stream flow or runoff outside the permit area; Neither cause nor contribute to, directly or indirectly, the violation of State or federal water quality standards applicable to receiving waters; Refrain from seriously altering the normal flow of water in stream beds or drainage channels; Prevent or control damage to public or private property, including the prevention or mitigation of adverse effects on lands within the boundaries of units of the National Park System, the National Wildlife Refuge System, the National System of Trails, the National Wilderness Preservation System, the Wild and Scenic Rivers System, including designated study rivers, and National Recreation Areas designated by Act of the U.S. Congress; and Use nonacid-forming and nontoxic-forming substances in road surfacing. All roads shall be removed and the land affected regarded and revegetated in accordance with the Regulatory Program unless: Retention of the road is approved as part of the approved postmining land use, or as being necessary to adequately control erosion; The necessary maintenance is assured; and All drainage is controlled. The plans and drawings for primary roads shall be prepared by, or under the direction of, and certified by a qualified registered professional engineer as meeting the requirements of this chapter and any prudent engineering practices. The construction or reconstruction of primary roads shall be certified in a report to the Bureau by a qualified registered professional engineer. The report shall indicate that the primary road has been constructed or reconstructed as designed and in accordance with the approved plan.