INJECTABLE BARRIER

Construction, repair, installation, and construction rehabilitation of structures in the nature of underground barriers where injection of a substance into the earth forms a means of restricting the movement of water and/or groundwater, whether contaminated or not, from one area to another; Construction services, namely, installation of environmental containment systems in the nature of subsurface barriers by means of injection

Treatment of materials, namely, treatment of soil, water, and groundwater, by injection of a substance into the earth which forms an underground barrier restricting the movement of water and/or ground whether contaminated or not, from one area to another