4VAC25-31-380. Treatment of acid material.
All acid material encountered during the mining operation shall be properly controlled to prevent adverse impacts on surface or groundwater quality. Upon completion of mining, acid materials shall be covered with a material capable of shielding them and supporting plant cover in accordance with the approved reclamation plan. Unless otherwise specified by the director, the minimum cover shall be four feet in depth.
Statutory Authority
§§ 45.1-161.3 and 45.1-180.3 of the Code of Virginia.
Historical Notes
Derived from Virginia Register Volume 19, Issue 24, eff. September 11, 2003; amended, Virginia Register Volume 30, Issue 6, eff. December 19, 2013.