This document specifies guidelines for the implementation of continuous monitoring systems for drinking water quality and operational parameters in drinking water distribution networks. It provides guidance for determining the: — effective number of continuous monitoring stations in the drinking water distribution network; — location of monitoring stations in the drinking water distribution network; — types of operational and drinking water quality parameter measuring devices (MDs) that can be i...view more

    • sale 15% off
    • Technical specification
      25 pages
      English language
    • sale 15% off
    • Draft
      25 pages
      English language

This document specifies:
a)   field of application;
b)   requirements for in line anti-vacuum valves;
c)   dimensional, the physico-chemical properties and the properties of general hydraulic, mechanical and acoustic design of in-line anti-vacuum valves DN 10 to DN 50;
d)   test method and requirements for verifying these properties;
e)   marking and presentation;
f)   acoustics.
This document specifies the characteristics of in-line anti-vacuum valves DN 10 to DN 50 that are suitable for use in drin...
view more

    • sale 10% off
    • Standard
      22 pages
      English language
    • e-Library read for
      1 day
    • sale 10% off
    • Draft
      22 pages
      English language
    • e-Library read for
      1 day

This European Standard specifies:
a)   the field of application;
b)   the requirements of hose union anti vacuum valves;
c)   dimensional and physio-chemical properties, and properties of general hydraulic, mechanical and acous-tic design of hose union anti-vacuum valves of nominal sizes DN 15 up to and including DN 25;
d)   marking and technical product information.
This standard specifies the characteristics of hose union anti-vacuum valves of nominal size DN 15 up to and including DN 25 that are...
view more

    • sale 10% off
    • Standard
      24 pages
      English language
    • e-Library read for
      1 day
    • sale 10% off
    • Draft
      24 pages
      English language
    • e-Library read for
      1 day

This document provides guidelines on alternative drinking water service (ADWS) provision during a crisis. This document addresses: a) ADWS principles and methods; b) ADWS operational planning and implementation. This document is not applicable to: 1) planned water supply interruptions forming part of drinking water utilities' normal operations; NOTE However, many of the principles and methods described can be appropriate in such circumstances. 2) drinking water supplied for the ongoing operation...view more

    • sale 15% off
    • Standard
      35 pages
      English language

This document is applicable to iron-based coagulants used for treatment of water intended for human consumption. It specifies analytical methods to be used for products described in EN 888, EN 889, EN 890, EN 891 and EN 14664.

    • sale 10% off
    • Standard
      41 pages
      English language
    • e-Library read for
      1 day

This document defines individual concepts that together constitute a vocabulary common to different stakeholders with interests in water service provision. It is intended to facilitate common understanding and communication on the provision and management of service activities relating to drinking water supply, wastewater and stormwater systems. The following are within the scope of this document: — definition of a vocabulary common to the different stakeholders; — definition of key elements and...view more

    • sale 15% off
    • Standard
      61 pages
      French language
    • sale 15% off
    • Standard
      60 pages
      English language

This document provides guidance for water utilities on the detection and classification of water and wastewater events. The following subjects are within the scope of this document: — publicly and privately owned and operated water utilities. It does not favour any particular ownership or operating model; — all aspects of the drinking water system and the wastewater system; — all causes of abnormal changes in water and/or wastewater service provision capable of detection by monitoring systems in...view more

    • sale 15% off
    • Technical specification
      56 pages
      English language

This European Standard specifies a procedure to determine the migration of substances from ion exchange, adsorbent or hybrid resin materials for use in contact with water intended for human consumption.
Resins comprise synthetic organic macromolecular materials.
This standard is applicable to resins of the following types:
-   ion exchange resins: used to modify the composition of water (e.g. softening by removal of calcium ions). They can be in either an anionic or cationic state;
-   adsorbent...
view more

    • sale 10% off
    • Standard
      15 pages
      English language
    • e-Library read for
      1 day

This document specifies a procedure to determine the migration of substances from ion exchange, adsorbent or hybrid resin materials for use in contact with water intended for human consumption.
Resins comprise synthetic organic macromolecular materials.
This standard is applicable to resins of the following types:
-   ion exchange resins: used to modify the composition of water (e.g. softening by removal of calcium ions). They can be in either an anionic or cationic state;
-   adsorbent resins: ...
view more

    • sale 10% off
    • Standard
      15 pages
      English language
    • e-Library read for
      1 day

This document specifies a method for the determination of gross alpha and gross beta activity concentration for alpha- and beta-emitting radionuclides using liquid scintillation counting (LSC).
The method is applicable to all types of waters with a dry residue of less than 5 g/l and when no correction for colour quenching is necessary.
Gross alpha and gross beta activity measurement is not intended to give an absolute determination of the activity concentration of all alpha- and beta-emitting ...
view more

    • sale 10% off
    • Standard
      28 pages
      English language
    • e-Library read for
      1 day

This European Standard describes the specifications and test methods for gravity fed devices for conditioning of drinking water that are not connected to the mains water distribution system in buildings, known as jug water filter systems. It also gives instructions for the user manuals, so that the jug water filter system can be used and maintained properly. Jug water filter systems are intended to modify the properties of drinking water only, and are not designed to make non-potable water safe ...view more

    • sale 10% off
    • Standard
      35 pages
      English language
    • e-Library read for
      1 day

This European Standard describes the specifications and test methods for gravity fed devices for conditioning of drinking water that are not connected to the mains water distribution system in buildings, known as jug water filter systems. It also gives instructions for the user manuals, so that the jug water filter system can be used and maintained properly. Jug water filter systems are intended to modify the properties of drinking water only, and are not designed to make non-potable water safe ...view more

    • sale 10% off
    • Standard
      35 pages
      English language
    • e-Library read for
      1 day

This document provides several examples of varying complexity which illustrate the use and intent of the performance assessment methodology set out in ISO 24510, ISO 24511 and ISO 24512. The document also provides examples of the parallel and similar practices for measuring performance or establishing benchmarks as found in various institutional circumstances. These examples represent practices in a range of utilities (e.g. small, medium and large water utilities; water utilities from developed ...view more

    • sale 15% off
    • Technical report
      65 pages
      English language

This draft European Standard specifies the characteristics and the requirements of air gap with non-circular overflow (unrestricted) Family A, Type B for nominal flow velocity not exceeding 3 m/s. Air gaps are devices for protection of potable water in water installations from pollution by backflow. This draft European Standard applies to air gaps in factory-assembled products and to constructed air gaps in situ, and defines the physico-chemical characteristics of materials of construction used ...view more

    • sale 10% off
    • Standard
      19 pages
      English language
    • e-Library read for
      1 day

This European Standard specifies the characteristics and the requirements of air gap with non-circular overflow (unrestricted) Family A, Type B for nominal flow velocity not exceeding 3 m/s. Air gaps are devices for protection of potable water in water installations from pollution by backflow. This European Standard applies to air gaps in factory-assembled products and to constructed air gaps in situ, and defines requirements and methods to verify and ensure compliance with this European Standar...view more

    • sale 10% off
    • Standard
      19 pages
      English language
    • e-Library read for
      1 day

This document is applicable to aluminium chloride basic, polyaluminium chloride hydroxide and polyaluminium chloride hydroxide sulfate used for treatment of water intended for human consumption. It describes the characteristics and specifies the requirements of aluminium chloride basic, polyaluminium chloride hydroxide and polyaluminium chloride hydroxide sulfate and refers to the corresponding analytical methods. It gives information for their use in water treatment. It also determines the rule...view more

    • sale 10% off
    • Standard
      24 pages
      English language
    • e-Library read for
      1 day

This draft European Standard is applicable to modified starches used for treatment of water intended for human consumption. It describes the characteristics of modified starches and specifies the requirements and the corresponding test methods for modified starches.

    • sale 10% off
    • Standard
      17 pages
      English language
    • e-Library read for
      1 day

ISO 24516-3:2017 specifies guidelines for technical aspects, tools and good practices for the management of assets of wastewater networks to maintain value from existing assets. ISO 24516-3:2017 does not apply to the management of assets of treatment plants, which are also physically part of the wastewater system and can influence the management of network assets. NOTE 1 The management of the following individual assets will be covered by ISO 24516‑4: wastewater pumping stations, retention and d...view more

    • sale 15% off
    • Standard
      44 pages
      French language
    • sale 15% off
    • Standard
      42 pages
      English language

ISO/TS 24520:2017 provides guidance to water utilities on good practice in technical aspects of crisis management. ISO/TS 24520:2017 is applicable to all water utilities, of whatever size, whether public or private, that wish to review the effectiveness and efficiency of their service activities relating to preparation for, response to and recovery from a crisis.

    • sale 15% off
    • Technical specification
      43 pages
      English language

This European Standard specifies the methods used for the chemical analyses and the determination of physical properties of calcium carbonate, high-calcium lime, half-burnt dolomite, magnesium oxid calcium magnesium carbonate and dolomitic lime used to treat water for human consumption.
This document describes the reference methods and, in certain cases, an alternative method which can be considered to be equivalent. In the case of a dispute, only the reference methods are used.
Any other meth...
view more

    • sale 10% off
    • Standard
      73 pages
      English language
    • e-Library read for
      1 day