19 Concrete materials, namely, ready mix concrete, mortar, dry bagged concrete, concrete slabs, precast concrete, sprayed concrete, grout, and other concrete compositions, which contain Portland cement; one or more aggregates such as rocks or sand; and one or more supplementary cementitious materials, such as pozzolans such as fly ash, metallurgical slag, or silica fume; natural pozzolans such as volcanic ash, pumice, trass, tuff, diatomaceous earth, or metakaolin; or fillers such as ground mineral powders, rock dust, stone dust, quarry fines, mine tailings, precipitated calcium carbonate, concrete mixer washout fines, or ground recycled concrete
Trademark: 90660826
