surface water sampling Articles

  • Autonomous water sampling and monitoring boat used in Black smelly water management - Case Study

    Site: 9 rivers in Zhenjiang City(total 120km) Equipment: sample collection monitoring USV ESM30 OR MM70 Monitoring stations set up:each400m set up one station(total 310stations), monitoring under water surface 0.5m Monitoring project: Ammonia nitrogen and dissolved oxygen etc 7 parameters Result:Monitoring reports and the water quality ...


    By Oceanalpha Co., Ltd.

  • Validation of Arxula Yeast Estrogen Screen assay for detection of estrogenic activity in water samples: Results of an international interlaboratory study

    Abstract Endocrine-active substances can adversely impact the aquatic ecosystems. A special emphasis is laid, among others, on the effects of estrogens and estrogen mimicking compounds. Effect-based screening methods like in vitro ...

  • Why Is Water Level Monitoring Important?

    Monitoring water levels can have numerous environmental benefits and is a popular measurement for a number of different industries and organisations. Below we will discuss some of the common applications water level monitoring devices, as well as some of the valuable insights that recording this can reveal. Remote water level monitoring Whereas ...


    By Aquaread Limited

  • Water quality testing: solutions from catchment to waste

    Globally, over 80% of the wastewater generated by society flows back into the environment without being treated or reused.1Clean water is an essential part of daily life, from catchment all the way through to wastewater treatment, therefore analysis throughout the whole cycle ...

  • Reservoir Management - Online Oil-In-Water Monitor - Case Study

    Background Older generation online oil-in-water (OiW) monitors may suffer from fouling of optics due to scales, soaps, emulsions, sludge, etc., resulting in inaccurate (usually low) concentrations. New generation OiW monitors: Yield more accurate O  iW concentrations Improve accuracy of the OiW measurements, allowing operators to optimize water ...

  • Oil Analysis Helps Water Plant Cut Annual Maintenance - Case study

    The city of Chandler (Ariz.) Municipal Utilities Department (MUD) employs coagulation, sedimentation, active flow control and filtration to produce 60 million gal per day (mgd) of water at its surface water treatment plant. In addition, the system includes 27 wells and 21 booster stations controlled by SCADA. Water distribution is provided through more than 1,200 miles of water main, in excess of ...


    By Spectro Scientific

  • Degassing a Liquid for Your Syringe Pump

    Four common methods for degassing samples Methods for Degassing Liquid All solutions equilibrated at room temperature and pressure will contain dissolved gases. Sample degassing is the process of removing these dissolved gases from solution. Removal of these gases may be necessary because the gases may escape from solution and form air bubbles in your syringe, ...


    By Chemyx Inc

  • High frequency monitoring needed to protect UK rivers - Case Study

    The science behind nutrient pollution in rivers is still poorly understood despite the fact that nitrate and phosphate concentrations in the UK’s rivers are mostly unacceptable, although an element of uncertainty exists about what an acceptable level actually is. Key to improving our understanding of the sources and impacts of nutrient pollution is high-resolution monitoring across a broad ...


    By OTT HydroMet

  • Groundwater and PFAS: State of Knowledge and Practice

    NGWA recently published Groundwater and PFAS: State of Knowledge and Practice, a guidance document on per- and polyfluoroalkyl substances (PFAS). The Association published the PFAS guidance document to assist members and other groundwater professionals who may be tasked with investigating the transport pathways and extent of PFAS in groundwater and surface water, assessing potential risks to ...

  • Can Toilet-to-Tap Overcome Yuck Factor?

    UC Riverside researchers use a taste test for recycled wastewater ...


    By Fluence Corporation

  • Oil Analysis for Hydraulic Systems

    Hydraulic systems are used in industrial, mobile and aviation applications to transmit power to operate equipment. They are incredibly efficient, compact, and lightweight relative to a mechanical equivalent. Hydraulic fluids transmit force in the system, and as such are carefully chosen by the system maker. Chemical stability, high flash and fire points, viscosity, and oxidation resistance are ...


    By Spectro Scientific

  • Study: High Drug Levels Found in the Hudson River

    Preventing contamination is first line of defense as researchers seek better wastewater treatment ...


    By Fluence Corporation

  • Reducing NOx in Diesel Emissions | Spectroscopy Solutions

    Air pollution and NOx emissions from diesel engines are a global concern due to their potential impacts on human health. Researchers worldwide are developing new and improved methods to reduce NOx emissions. Infrared spectroscopy in the gas phase, which is made possible using FTIR gas cells from Specac, has an important role to play in this ...


    By Specac Limited

  • Stocking up filtration equipment for marine expeditions

    February is here, and for many research teams across the world, that means it’s time to set sail. Shoulder seasons are an important time to conduct marine research because many algal and microbe species are in bloom. Whether your research has you voyaging the open sea or cruising in coastal waters, Sterlitech is here to stock the ship with all your laboratory filtration needs. We are proud ...


    By Sterlitech Corporation

  • Testing Validates Environmentally Friendly Hydraulic Fluids

    Operators seeking next-generation hydraulic fluids typically expect to find products with a low-impact environmental footprint that meets both current and future regulations without skimping on the high-performance requirements some systems need. As a possible solution, EnBio Industries offers its EnBio fluids, a polyalkylene glycol-based lubricant with five characteristics that ...


    By EnBio Industries

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