Surf these sites: American Sigma -- Open channel flow meters, water quality and process control monitors, wastewater samplers and advanced sewer system management software. Manufacturer Aquatrak Corporation -- Manufacturer of liquid level determination for measuring tides, sea state, river stages, ground water, head and tail water, tank ullage, etc. Proven technology characterized by accuracy (±3 mm), reliability, versatility, and durability. Environmental Plug -- Markets torque locking well plugs for groundwater environmental monitoring applications. Bright colour, large ID lettering, liquid tight, easy to use, low cost and developed by Geologists. Gurley Precision Instruments -- Manufacturers of hydrological current meters and accessories for open channels, rivers and streams. Products include Price and pygmy meters, digital indicators and headphone sets, support systems, including cranes and sounding reels. HD Supply Inc. -- Supplies Hester Dendy multiple plate benthic invertebrate samplers direct from the manufacturer. Hach Co. - Systems for water testing and water quality analysis -- Reagents and instrumentation for water testing and water quality analysis, including portable systems (test strips, test kits, portable labs), laboratory instruments (spectrophotometers, colorimeters, turbidimeters), and process analyzers (turbidity, particle count, hardness, alkalinity, chlorine, pH/ORP, ammonium, nitrates, silica, and others). IQ Scientific Instruments -- State-of-the-art non-glass pH systems with ISFET silicon-chip sensor technology. A full line of non-glass pH meter and probe are displayed. Manufacturer of Water Quality Measuring Instruments -- Water Quality Measuring Instruments such as pH meters, ORP meters, TDS/Conductivity meters, dissolved oxygen meters. Perri in Canada -- The Microbiolumiscan is a portable instrument, using genetically engineered bacteria to rapidly detect biopollutants in water and soil. QED Environmental Systems, Inc. -- Incorporated in 1982 as a manufacturer of equipment for ground water monitoring and subsequently has became an industry leader in dedicated ground water sampling equipment. Concentrates activities on micropurge and low flow sampling techniques. Rickly Hydrological Company -- Online catalog of Rickly Hydrological Company, manufacturer of USGS Stream Gaging, Sediment Sampling, and Stage Measurement instrumentation equipment. Sensorex -- Quality ORP (REDOX) electrodes and other specialty sensors for pH, Conductivity and dissolved O2. For portable, laboratory and industrial process applications. Southern DataStream -- Provider of agricultural engineering, water management, and water quality services. Southern DataStream specializes in monitoring equipment, data collection and analysis. We also provide Internet web page services for your public-access or confidential project management needs. Turner Designs -- A comprehensive site of fluorometers, luminometers, and oil in water monitors used in environmental, biotechnology, and industrial applications.
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