water chemistry professional Articles

  • What to do about the antidepressants, antibiotics and other drugs in our water

    As pharmaceuticals taint rivers and lakes, scientists search for solutions. There’s no way around it, the headlines are disturbing. And they come, not from tabloids or click-bait blogs, but from papers published in scientific journals. They describe fish and birds responding with altered behavior and reproductive systems to antidepressants, diabetes medication, and other ...


    By Ensia

  • Low-Flow (Minimal Drawdown) Ground-Water Sampling Procedures

    Untitled Document Background The Regional Superfund Ground Water Forum is a group of ground-water ...


    By Solinst Canada Ltd.

  • Culligan application brief food & beverage - a sustainable approach from Culligan Matrix Solutions

    Challenge A major beverage plant was looking to reduce the impact of its operations on the environment while meeting the water treatment challenges at its facility. The sustainability goals of the facility included reducing water usage ond energy costs associated with its operations. Until recently, the facility was using city water in its utility process. The company was looking ...


    By Culligan Matrix Solutions

  • Together we can get the lead out

    If there is one lesson to be learned from the Flint crisis, it is this: Our communities will be safer in the long run with no lead pipes in the ground. That’s why the board of the American Water Works Association – recognizing our first core principle is the protection of public health -- voted unanimously on March 7 to forge on a path toward the removal of all lead service lines. ...

  • ESdat environmental database software helps organizations manage their environmental data for ISO 14001

    Environmental data management software is an efficient way to handle large amounts of data generated with the adoption of environmental standards like ISO 14001.  A recent survey by EScIS shows that 100% of environmental professionals saved time using their ESdat environmental database software and that having the data organized was seen as a major feature. ESdat environmental database ...

  • A systematic approach for evaluation of capture zones at pump and treat systems

    This document describes a systematic approach for performing capture zone analysis associated with ground-water pump and treat (P&T) systems. A “Capture Zone” refers to the three-dimensional region that contributes the ground water extracted by one or more wells or drains (see Figure 1). A capture zone in this context is equivalent to the “zone of hydraulic containment”. If a contaminant ...

  • Hydrogeology Practitioner Spotlight--Wayne Hutchinson

    Name: Wayne Hutchinson Office: Milwaukee Practice Area: Environmental Liability Management Area of expertise: Hydrogeology About Me in 140 Characters (or more!): I suppose I was drawn to a career in science, and specifically hydrogeology, because it allows me to use and apply mathematics, chemistry and physics to solve three-dimensional puzzles. ...


    By Antea Group - USA

  • Wastewater-Primary Treatment

    Primary Treatment is defined as a wastewater treatment process that takes place in a rectangular or circular tank and allows those substances in wastewater that readily settle or float to be separated from the water being treated. This process achieves solids separation. The solids readily available to settle to achieve sedimentation will do so in a settling tank referred as a clarifier. On the ...

  • Groundwater monitoring and assessment with ESdat environmental data management software and its use in groundwater remediation plans

    Groundwater investigations, contaminated/industrial sites, landfill and regulatory compliance are all ideal areas for environmental consultants and site managers, specializing in groundwater monitoring and assessment, to use environmental data management software. A successful groundwater ...

  • Getting back to basics: What is pH?

    Getting back to basics: What is pH? The most used measure in wastewater treatment, and for good reasons The “potential of hydrogen” or “pH” is the measure of free hydrogen activity in water and thereby indicative of the measure of its free acidity or free alkalinity. Gauged on a numeric scale of 0-14, solutions with a pH of less than 7.0 are acids. ...

  • Kroff Chemical Company Continues Growth with Two New Appointments

    Kroff, Inc., one of the fastest-growing water treatment companies in the United States, is pleased to announce the addition of two individuals to Kroff Chemical Company, Inc., a division of Kroff, Inc., that provides custom-blended ...


    By Kroff, Inc.

  • Practitioner Spotlight--Rob Duffy

    Name: Rob Duffy Office: Charlotte, NC Practice Area(s): Primarily OPA, but I also work in TS, ...


    By Antea Group - USA

  • BioLargo`s - natural clean- it`s not your grandmother`s iodine

    People of a certain age may remember how their grandmother would use iodine on their cuts and scrapes when they were children. Not only did it leave a stain, but it also stung on the wound. If only the positives of Iodine were available without the negatives. Good news – now they are! BioLargo Inc. offers a number of products that take the sting and stain out of iodine use. ...


    By Biolargo, Inc.

  • Performance-Based Measurement Systems

    Many of the Environmental Protection Agency's (EPA's) methods used to monitor air, water and soil for environmental contaminants prescribe step-by-step details on how the chemical analysis must be conducted and prohibit any deviations or variations. The EPA has recognized that monitoring equipment and technology have improved tremendously over the last few years; that environmental media do not ...


    By WSP | Parsons Brinckerhoff

  • High-Resolution Site Characterization with Multilevel Systems

    Within the last few years, the U.S. EPA added a new focus area on high-resolution site characterization (HRSC) to their Contaminated Site Clean-Up Information (CLU-IN) website. The U.S. EPA’s definition of HRSC is: “High-resolution site characterization (HRSC) strategies and techniques use scale-appropriate ...


    By Solinst Canada Ltd.

  • Cyanide Spill at Baia Mare - Assessment Mission Report UNEP/OCHA

    Introduction On 30 January 2000, following a breach in the tailing dam of the Aurul SA Baia Mare Company, a major spill of cyanide-rich tailings waste was released into the river system near Baia Mare in north west Romania. The contaminant travelled via tributaries into the river Somes, Tisza and finally into the Danube before reaching the Black Sea. A team of international ...

  • Site Vulnerability Assessments for Facilities That Use, Store, or Transport Chemicals

    In response to pressing issues facing the new Department of Homeland Security, over 15,000 chemical and industrial plants may have to evaluate their vulnerability to terrorist attack and improve countermeasures at their facilities. Federal lawmakers are considering two bills requiring facilities to submit site security plans: the Chemical Security Act (Senate Bill S. 157, reintroduced in January, ...


    By AECOM

  • Organic Strategies for Today`s Business Environment

    In Today’s Business Environment, Successful Businesses Use Organic Strategies To Add Value Organic Strategies Assure Businesses Minimize Risk, Maximize Value And Optimize Performance while achieving hit ratios in excess of 90% Today’s globally transparent business environment, feeding off the information highway, has brought an end to some traditional business/sales theories. In a global ...


  • Getting the Message Across

    Untitled Document The Impact of Language and Culture on Job Safety Following safety and health rules is a challenge for any ...


  • Ocean science for sustainable development: Facts and figures

    Sarah Grimes explores why we need good ocean monitoring, how to get it, and why it still fails Small Island Developing States. Oceans are a critically important component of the Earth system, supporting ecosystem and human health. They regulate the weather and climate; are essential for producing freshwater; and soak up ...


    By SciDev.Net

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