7 oil/water separation units; ground water pumping systems comprising pumps, hoses, filters, probes, control panels, floats and sensors sold as a unit
9 ground water monitoring units; well monitoring systems, comprising devices for measuring contaminants in a well; remote monitors for determining the status of equipment at mediation sites; laboratory samplers comprising cylinders for the extraction of liquids from sources of water
11 water purification units; air purification units; soil purification units; vapor treatment units; all for industrial or commercial use