LEOPOLD

instrumentation for monitoring and executing water and wastewater treatment processes, namely, mechanical, pneumatic and electronic control panels, controllers, transmitters, gauges, receivers, tables, samplers, regulators, rate set stations, indicators, turbidimeters, pH meters, consoles, consolettes, programmable logic controllers, programmers, power supplies, cables, computers, monitors, printers, electric valve actuators, data recorders, ultrasonic flow transmitters, autodialers, venturi flow elements, permutubes, insert tubes, flumes, and parts and components therefor

equipment for filtering municipal, commercial or industrial water and wastewater, namely, plastic filter underdrain blocks, clay filter underdrain blocks, porous plates for supporting media in filters, filter media, gravel for supporting filter media in filters, piping, agitators, supports and stabilizers for piping and agitators, wash troughs, nozzles, effluent troughs, weirs and baffles, weir pans, gates and guides for controlling water flow, valves, specialty filters, pilot filter equipment, blowers and compressors for supplying backwash air to filters, carriage filters, with or without skimmers; sludge collection equipment for wastewater treatment, namely, floating siphon sludge collectors, skimmers and scum troughs; blenders, namely, plow blenders for wastewater sludge treatment; and parts and components therefor

installation and repair of instrumentation used by others to monitor and execute water and wastewater treatment processes, installation and repair of water and wastewater treatment equipment used by others

instrumentation testing and design services for others, pilot filter testing services for others, and water and wastewater treatment equipment testing and design services for others