water standard Articles

  • 3 Scientific Tools to Help You Better Understand Your Water Quality

    There are many ways of testing and understanding your water quality with online scientific tools and models. One such resource is the National Water-Quality Assessment (NAWQA) project run by the U.S. Geological Survey (USGS). The project, which was founded in 1991 to develop reliable information about water sources to support decisions on water quality management ...

  • Merck KGaA, Darmstadt, Germany News on Water 2018, Volume 1

    This volume of News on Water highlights: New ISO Standard 17943 for Determination of VOCs in Water by HS-SPME and GC-MS Extraction of Organic Compounds from Water, Using ENVITM-18 DSK Solid Phase Extraction Disks Watercol columns Certified Reference Materials ready-to-use for water and waste water analysis ...

  • Drinking Water Standards

    The most important point of departure for drinking water standards is the World Health Organisation Guidelines for Drinking Water Quality. These are widely used throughout the world with the exception of parts of North America. WHO’s Guidelines have evolved over a period of 50 years from standards to guidelines, reflecting the fact that they have no legal force. The WHO emphasises that it ...


    By IWA Publishing

  • Strategic Standardization

    An Interview with John Walter, CEO of the Standards Council of Canada SCC leader John Walter discusses the strategic value of standardization, his organization’s priorities and harmonizing Canadian and U.S. standards. How is the Standards Council of Canada approaching the upcoming revision to the Canadian Standards Strategy? The Standards ...


    By ASTM International

  • A Commitment to Standards

    An Interview with Philip Piqueira, Global Standards Leader for GE’s Industrial Solutions Business General Electric participates in standards development through its work on numerous committees and organizations. Philip Piqueira discusses why this business strategy and its continuance is crucial for GE. From your perspective as the global standards ...


    By ASTM International

  • Updating national standards for drinking-water: a Philippine experience

    The latest version of the Philippine National Standards for Drinking-Water (PNSDW) was issued in 2007 by the Department of Health (DOH). Due to several issues and concerns, the DOH decided to make an update which is relevant and necessary to meet the needs of the stakeholders. As an output, the water quality parameters are now categorized into mandatory, primary, and secondary. The ten ...


    By IWA Publishing

  • Will water accounting standards provide useful information to stakeholders?

    In order to assist solving the water needs of the growing population around the world, water and accounting experts have been working to draft Statements of Water Accounting Concepts in Australia. The financial accounting framework and the financial accounting standards are used as a base to draft the Water Accounting Framework. This paper attempts to list and evaluate some of the major ...


    By Inderscience Publishers

  • Derivation of water framework directive environmental quality standards

    In 2005, the Department of Environment, Food, and Rural Affairs (Defra) proposed that the UKTAG Chemistry Task Team (CTT) should develop standards for certain Dangerous Substances Directive (DSD) List II substances as Annex VIII substances under the Water Framework Directive. These are substances for which EQSs are currently available, i.e. List II parameters as listed in the Dangerous Substances ...


    By WCA Environment Ltd.

  • ASTM Standards Help Meet Need for Clean Water

    The new ASTM Water Portal provides a single access point to standards and related information about ASTM International’s diverse committees working to protect and monitor this vital global resource. Clean and safe water is the underpinning of the quality of life for people around the world. Global economies depend on water, whether it’s to support the manufacturing of goods ...


    By ASTM International

  • Water Quality Standards as per BIS (IS 10500:1983 )

    Water and it's necessary The world having almost 70 % water and its we can able to drinking water is 1% only. Thats why desalination of water is very important  to cover all human to drink. We can not live without drinking water. Atleast 5-6 liter per day  need to drink for avarage man. Recommended Guidelines for Physical ...


    By RRR ENVIRO SYSTEMS

  • Standardizing defluoridation of community waters using bone char

    Different bone char (BC) preparation methods affect the physical chemical properties and therefore the capacity to remove fluoride. Fluoride removal capacities of BC prepared at three controlled temperatures, with particle grain sizes of 250–500 μm, 500–1,000 μm and 1,000–1,800 μm were determined in column experiments with an initial fluoride concentration of 8.55 mg/L. The sorbent was ...


    By IWA Publishing

  • Ultrapure water – The standard for resistivity measurements of Ultrapure water - Case Study

    Abstract For years, resistivity/conductivity2 instrumentation has been used as a reliable indicator of ionic water quality, especially for ultrapure water (UPW). Traditionally, the instrumentation is procured, installed, powered up, and perhaps connected to a PLC, strip chart recorder, or a LAN. After that, the instrument and sensor receive no attention until a problem arises. Today, ...


    By SnowPure Water Technologies

  • Standard Chlorine of Delaware Remediation

    By designing a 70-foot deep barrier wall, Black & Veatch was able to cut off contaminant source areas from a creek near New Castle, Delaware. The groundwater treatment system that Black & Veatch designed prevents site contamination from reaching the underlying drinking water aquifer. The Standard Chlorine of Delaware Site is a 65 acre area including an abandoned chlorobenzene ...


    By Black & Veatch Corporation

  • Types of Environmental Standards

    Different kinds of environmental standards can serve quite different purposes in environmental policy. This note outlines these differences Ambient Standards Ambient standards set maximum allowable levels of a pollutant in the receiving medium (air, water and soil). Ambient standards can offer a simple method of establishing priorities since areas (or stream lengths) which ...


  • Filtronics’ NSF Certified Electromedia sets the standard for water filtration industry

    The key to any water treatment system and its efficiency and effectiveness is its filtering media, or the sand or gravel that helps to remove pollutants and contaminants from a water source. Filtronics’ exclusive Electromedia is a permanent filtering media that is National Sanitation Foundation (NSF) ...


    By Filtronics, Incorporated

  • Combination of bespoke and standard ACO surface water drainage systems

    A series of unique, high performance channel drainage systems designed and manufactured by ACO Technic, the bespoke product development division of water management specialist ACO Technologies, has been installed across Heathrow's award winning Terminal Five. As well as helping to overcome some significant challenges posed by the site's design, the systems have played a key role in creating some ...


    By ACO Group

  • Disease-causing bacteria made more resilient by standard water disinfection practices

    Halogenated nitrogenous disinfection by-products (N-DBPs) in water increase bacterial resistance to antibiotics, new research shows. The study found that a strain of bacteria which can cause disease in humans, Pseudomonas aeruginosa, increased its resistance to a range of different antibiotics by an average of 5.5 times after the bacteria were exposed to chemicals which form as by-products of ...

  • Hanahan water treatment plant, Crisafulli standard-duty FLUMPs-case study

    Application: Solids removal from primary settling basins, Kenneth A. Dorr, Assistant Superintendent Hanahan Water Treatment Plant, Commissioners of Public Works, City of Charleston, South Carolina Installation: 1998. Retired from service 2010 Application: Solids removal from primary settling basins, Kenneth A. Dorr, Assistant ...


    By SRS Crisafulli, Inc.

  • Emission standards versus immission standards for assessing the impact of urban drainage on ephemeral receiving water bodies

    In the past, emission standard indicators have been adopted by environmental regulation authorities in order to preserve the quality of a receiving water body. Such indicators are based on the frequency or magnitude of a polluted discharge that may be continuous or intermittent. In order to properly maintain the quality of receiving waters, the Water Framework Directive, following the basic ideas ...


    By IWA Publishing

  • Developer meets coastal water pollution standards with passive treatment system

    Untitled Document Selleck Properties of Westlake Village, Calif. presented its new project plan to the Simi Valley City Council in June 2002, and took the first step in a long but successful ...


Need help finding the right suppliers? Try XPRT Sourcing. Let the XPRTs do the work for you