Vattenkvalitet

Kommittébeteckning: SIS/TK 426 (Biologiska vattenundersökningar)
Källa: CEN
Svarsdatum: den 19 nov 2018
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This document is focused on the structural features of rivers, on geomorphological and hydrological processes, and on river continuity. It provides guidance on the features and processes to be taken into account when characterizing and assessing the hydromorphology of rivers. It is based on methods developed, tested, and compared in Europe. Its main aim is to improve the comparability of hydromorphological assessment methods, data processing and interpretation. Although it has particular importance for the WFD by providing guidance on assessing hydromorphological quality, it has considerably wider scope for other applications. In addition, while recognizing the important influence of hydromorphology on plant and animal ecology, no attempt is made to provide guidance in this area, but where the biota have an important influence on hydromorphology these influences are included.

NOTE A case study illustrating the application of this standard is given in Gurnell and Grabowski[1].

Kommittébeteckning: SIS/TK 424 (Kemiska vattenundersökningar)
Källa: CEN
Svarsdatum: den 17 dec 2018
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This document gives criteria for mass spectrometric identification of target compounds in water samples and may be applied to environmental samples in general. This document shall be used in conjunction with a standard developed for the determination of the specific compounds, for example, ISO 17943[3] for volatile organic substances or ISO 16693[1] for determination of organochlorine pesticide (OCP). If the standard method for analysing specific compounds includes criteria for identification, those criteria shall be followed.

Kommittébeteckning: SIS/TK 424 (Kemiska vattenundersökningar)
Källa: CEN
Svarsdatum: den 17 dec 2018
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This document specifies the critical points to consider while developing an in-house mass spectrometry-based method for quantitative analysis of multi-group organic substances in the scope of physical-chemical analysis of water.

ISO/TS 13530 provides guidance on the initial characterization of the measurement performances. This document supplements ISO/TS 13530 by providing details on the following points:

— selection of the characterization-test matrix;

— internal standards and internal standard recoveries;

— analyte recovery;

— checking that performance levels do not degrade over time.

Chromatographic separation and identification of analytes are described in ISO/DIS 21253-1.

The estimation of measurement uncertainties is integral to the characterization of any quantitative method of analysis, but the process is not described here, as ISO 11352 applies. Similarly, the calibration protocols are not described here but set out in the ISO 8466- series of standards.

This document is not intended as a substitute for the currently applicable analytical standards dedicated to organic compounds but as a resource bringing additional characterization elements.

Ämnesområden: Avloppsvatten
Kommittébeteckning: SIS/TK 198 (Vatten- och avloppssystem)
Källa: CEN
Svarsdatum: den 20 dec 2018
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This document specifies characteristics and related requirements, assessment methods, the marking and assessment and verification of constancy of performance (AVCP) procedures for packaged and/or site assembled septic tank used for populations up to 50 inhabitants.

Packaged and/or site assembled septic tanks in accordance with this document are:

• used for the primary treatment of domestic wastewater including that of guest houses and businesses;

• made of concrete, steel, Unplasticized Polyvinylchloride (PVC-U), Polyethylene (PE), Polypropylene (PP), Glass Reinforced Polyester (GRP-UP) and/or Polydicyclopentadiene (PDCPD);

• with or without elastomeric seals for joints made of vulcanized rubber;

• used buried in the ground;

• with or without extension shaft;

• with a nominally capacity of at least 2 m²;

• made of prefabricated components that are factory or site-assembled by one manufacturer and which are tested as a whole.

This document does not cover packaged and/or site assembled septic tank:

• where vehicle loads apply to it;

• receiving grey water only.

Ämnesområden: Avloppsvatten
Kommittébeteckning: SIS/TK 198 (Vatten- och avloppssystem)
Källa: CEN
Svarsdatum: den 20 dec 2018
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This document specifies characteristics and related requirements, assessment methods, the marking and assessment and verification of constancy of performance (AVCP) procedures for packaged and/or site assembled domestic wastewater treatment plants used for populations up to 50 inhabitants.

Packaged and/or site assembled domestic wastewater treatment plants in accordance with this document are:

• used for the treatment of domestic wastewater including that of guest houses and businesses.

• made of concrete, steel, Unplasticized Polyvinylchloride (PVC-U), Polyethylene (PE), Polypropylene (PP), Glass Reinforced Polyester (GRP-UP), Polydicyclopentadiene (PDCPD), PVC and/or EPDM;

• used buried in the ground;

• with or without extension shaft;

• made of prefabricated components that are factory or site-assembled by one manufacturer and which are tested as a whole.

This document does not cover packaged and/or site assembled domestic wastewater treatment plants where vehicle loads apply to it.

The assessment methods specified in this document establish the performance of the packaged and/or site assembled domestic wastewater treatment plant, needed to verify its suitability for the condition in which it is normally installed.

Ämnesområden: Avloppsvatten
Kommittébeteckning: SIS/TK 198 (Vatten- och avloppssystem)
Källa: CEN
Svarsdatum: den 20 dec 2018
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This document specifies characteristics and related requirements, assessment methods, the marking and assessment and verification of constancy of performance (AVCP) procedures for prefabricated secondary treatment units for populations up to 50 inhabitants.

Prefabricated secondary treatment units in accordance with this document are:

• used for the treatment of effluent from product in accordance with EN 12566-1;

Equivalent septic effluent may come from existing septic tanks.

• made of concrete, steel, Unplasticized Polyvinylchloride (PVC-U), Polyethylene (PE), Polypropylene (PP), Glass Reinforced Polyester (GRP-UP), Polydicyclopentadiene (PDCPD), PVC and/or EPDM;

• used buried in the ground;

• with or without extension shaft;

• made of prefabricated components that are factory or site-assembled by one manufacturer and which are tested as a whole.

This document does not cover prefabricated secondary treatment units:

• where vehicle loads apply to it;

• with direct infiltration into the ground (non-watertight);

• made of retrofit kits (see definition in 3.1.5).

The assessment methods specified in this European Standard establish the performance of the prefabricated secondary treatment unit, needed to verify its suitability for the condition in which it is normally installed.

Ämnesområden: Avloppsvatten
Kommittébeteckning: SIS/TK 198 (Vatten- och avloppssystem)
Källa: CEN
Svarsdatum: den 20 dec 2018
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This document specifies characteristics and related requirements, assessment methods, the marking and assessment and verification of constancy of performance (AVCP) procedures for prefabricated tertiary treatment units used for populations up to 50 inhabitants.

Prefabricated tertiary treatment units in accordance with this document are:

• used for the tertiary treatment of domestic wastewater coming from:

a) products in accordance with EN 12566-3 or EN 12566-6 or;

b) installation designed and constructed in accordance with CEN/TR 12566-5.

Equivalent secondary treated effluent may come from existing systems.

• made of concrete, steel, Unplasticized Polyvinylchloride (PVC-U), Polyethylene (PE), Polypropylene (PP), Glass Reinforced Polyester (GRP-UP), Polydicyclopentadiene (PDCPD), PVC and/or EPDM.

• used buried in the ground;

• with or without extension shaft;

• made of prefabricated components that are factory or site-assembled by one manufacturer and which are tested as a whole.

This document does not cover prefabricated tertiary treatment units:

• where vehicle loads apply to it;

• with direct infiltration into the ground (non-watertight);

• made of retrofit kits (see definition in 3.1.9);

• forming part of products covered by EN 12566-3 and EN 12566-6;

• for microorganism reduction.

The assessment methods specified in this document establish the performance of the prefabricated tertiary treatment unit, needed to verify its suitability for the condition in which it is normally installed.

Kommittébeteckning: SIS/TK 424 (Kemiska vattenundersökningar)
Källa: ISO
Svarsdatum: den 20 jan 2019
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This document specifies a method for the determination of selected polyfluoroalkyl and perfluoroalkyl substances (PFAS) in non-filtrated waters, for example drinking water, natural water (fresh water and sea water) and waste water containing less than 2 g/l solid particulate material (SPM) using liquid chromatography-tandem mass spectrometry (LC-MS/MS). The compounds monitored by this method are typically the linear isomers. Other isomers may be reported separately as non-linear isomers and qualified as such. The group of compounds determined by this method are representative of a wide variety of polyfluorinated compounds. The analytes specified in Table 1 can be determined by this method. The list can be modified depending on the purpose for which the method is intended. The lower application range of this method can vary depending on the sensitivity of the equipment used and the matrix of the sample. For most compounds to which this document applies ≥ 0,2 ng/l as limit of quantification. Actual levels may depend on the blank levels achieved by individual laboratory.

The applicability of the method to further substances, not listed in Table 1, or to further types of water is not excluded, but needs to be validated separately for each individual case.

The user should be aware that each analyte has its own specific optimum conditions and therefore modification of the analyte list could require the specification of additional conditions for each additional parameter.

NOTE 1 Polyfluoroalkyl substances will be used in this document to describe the analytes monitored. Many of the compounds in Table 1 are perfluorinated and are also considered polyfluoralkyl substances

NOTE 2 In this document linear PFAS isomers are specified. The non-linear isomers may be present in environmental samples, especially for PFOS. Analysis of individual non-linear isomer of PFAS is described in Annex E.