As used in this rule and unless the context clearly requires otherwise, the following terms have the meaning ascribed in this section.
Limestone = 3,600 tons per acre foot
(2.65 lbs. resource/ 1 lb. water)
Sandstone = 3,400 tons per acre foot
(2.50 lbs. resource/ 1 lb. water)
Clay and Shale = 3,250 tons per acre foot
(2.39 lbs. resource/ 1 lb. water)
Sand and Gravel = 2,400 tons per acre foot
(1.77 lbs. resource/ 1 lb. water)
Salt = 2,950 tons per acre foot
(2.17 lbs. resource/ 1 lb. water)
W. Va. Code R. § 110-1K-3