78637574
May 25, 2005
Wastewater treatment devices, namely, onsite wastewater treatment system for removal of all nitrogen species present in wastewater comprised of a vessel made of any material suitable for containing microorganisms, for example, concrete, fiberglass-reinforced polymer, or polyethylene, and a medium for growing microorganisms made of any substance or material that is suitable for growing microorganisms, whether attached or suspended, for example, sand, rock, air, water, peat, wood chips, or manufactured media; trickling filters, namely, water filters for use in water or wastewater treatment facilities; sequencing batch reactors for use in water or wastewater treatment facilities
Environmental Control ApparatusPipe assemblies consisting of plastic water pipes for use in water or wastewater treatment facilities
Rubber GoodsEngineering services in the field of water and wastewater treatment, including civil engineering, water supply engineering, wastewater treatment engineering, aquifer testing, drainage and storm water engineering, structural engineering, traffic engineering, and chemical engineering; design services for others involving the design of water treatment plants, said design services including consideration of thermodynamics, fluid dynamics, and hydrodynamics; technical research for others in the field of water and wastewater treatment
Computer and Scientific