19 Sodium bentonite clay for use as a moisture barrier for building construction and pond lining; Sodium bentonite clay for use as a moisture barrier for seepage cut-off walls, landfills, and reservoirs; Sodium bentonite clay for use in hazardous material containment; Sodium bentonite clay for use as a soil sealant and as a moisture barrier for landfills, leach pads, tank farms, reservoirs, lagoons, ponds, and canals; Sodium bentonite clay for use as an industrial filler, binder, and emulsifier; Sodium bentonite clay for use in oil well drilling, mineral exploration drilling, water well drilling, seismic drilling, caisson drilling, and horizontal drilling; Vinyl fencing, decking, gates, porch railings, arbors, pergolas, and gazebos