SVENSK STANDARD SS-EN 12913

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SVENSK STANDARD SS-EN 12913 Handläggande organ Fastställd Utgåva Sida Standardiseringsgruppen STG 1999-10-15 1 1 (1+13) Copyright SIS. Reproduction in any form without permission is prohibited.

1 SVENSK STANDARD SS-EN Handläggande organ Fastställd Utgåva Sida Standardiseringsgruppen STG (1+13) Copyright SIS. Reproduction in any form without permission is prohibited. Products used for treatment of water intended for human consumption Powdered diatomaceous earth Processkemikalier för beredning av dricksvatten Diatomit (Kiselgurpulver) This Swedish Standard consists of the English version of, Products used for treatment of water intended for human consumption Powdered diatomaceous earth. Swedish Standards corresponding to documents referred to in this Standard are listed in Catalogue of Swedish Standards, issued by SIS. The Catalogue lists, with reference number and year of Swedish approval, International and European Standards approved as Swedish Standards as well as other Swedish Standards. Denna standard utgörs av den engelska versionen av, Products used for treatment of water intended for human consumption Powdered diatomaceous earth. Motsvarigheten och aktualiteten i svensk standard till de publikationer som omnämns i denna standard framgår av Katalog över svensk standard, som ges ut av SIS. I katalogen redovisas internationella och europeiska standarder som fastställts som svenska standarder och övriga gällande svenska standarder. ICS ; Standarder kan beställas hos SIS som även lämnar allmänna upplysningar om svensk och utländsk standard. Postadress: SIS, Box 6455, STOCKHOLM Telefon: Telefax: Upplysningar om sakinnehållet i standarden lämnas av STG. Telefon: Telefax: E-post: info@stg.se Prisgrupp P Tryckt i november 1999

3 EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM EN August 1999 ICS English version Products used for treatment of water intended for human consumption - Powdered diatomaceous earth Produits utilisés pour le traitement de l'eau destinée à la consommation humaine - Terre de diatomées en poudre Produkte zur Aufbereitung von Wasser für den menschlichen Gebrauch - Kieselgur This European Standard was approved by CEN on 16 July CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG Central Secretariat: rue de Stassart, 36 B-1050 Brussels 1999 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. E

4 Page 2 Contents Foreword...3 Introduction Scope Normative references Definitions and symbols Description Identification Commercial form Physical properties Appearance Particle size distribution Density Chemical properties Specific properties Test methods Sampling Analysis Labelling, transportation and storage Means of delivery Risk and safety labelling according to the EU directive Transportation regulations and labelling Marking Storage...8 Annex A (informative) General information on powdered diatomaceous earth...10 Annex B (normative) General rules relating to safety...12 Bibliography...13 Page

5 Page 3 Foreword This European Standard has been prepared by Technical Committee CEN/TC 164 "Water supply", the secretariat of which is held by AFNOR. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by February 2000, and conflicting national standards shall be withdrawn at the latest by February According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom.

6 Page 4 Introduction In respect of potential adverse effects on the quality of water intended for human consumption, caused by the product covered by this Standard : 1) this Standard provides no information as to whether the product may be used without restriction in any of the Member States of the EU or EFTA ; 2) it should be noted that, while awaiting the adoption of verifiable European criteria, existing national regulations concerning the use and/or the characteristics of this product remain in force.

7 Page 5 1 Scope This European standard is applicable to powdered diatomaceous earth used for treatment of water intended for human consumption. It describes the characteristics of powdered diatomaceous earth and specifies the requirements and the corresponding test methods for powdered diatomaceous earth and gives information on its use in water treatment. 2 Normative references This European Standard incorporates by dated and undated reference, provisions from other publications. These normative references are cited at the appropriate places in the text and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this European standard only when incorporated in it by amendment or revision. For undated references the latest edition of the publication referred to applies. EN 12901, Products used for treatment of water intended for human consumption - Inorganic supporting and filtering materials Definitions. EN 12902, Products used for treatment of water intended for human consumption - Inorganic supporting and filtering materials - Methods of test. 3 Definitions and symbols For the purpose of this standard, the definitions and symbols given in EN apply. 4 Description 4.1 Identification Chemical name Not applicable Synonym or common names Diatomite, Kieselguhr, Diatomaceous earth, Calcined diatomite, Flux calcined diatomite Chemical formula Not applicable CAS Registry numbers 1) Dry and ground ; Diatomaceous calcined ; Flux calcined. 1) Chemical Abstracts Service Registry Number

8 Page EINECS reference 2) Calcined Commercial form The product is available in powder forms in many grades differing in permeability. 5 Physical properties 5.1 Appearance The product is a white (flux calcined), pink (calcined), or white to green (natural), powder. 5.2 Particle size distribution Particle size At least 95 percent by mass (% (m/m)) shall have a particle size less than 1000 µm. NOTE Other values can be necessary for certain applications. The particle size distribution is commonly specified as 95 % (m/m) less than a given particle size. The particle size distribution shall be within the manufacturer s declared values Uniformity coefficient Not relevant Oversize and undersize particles The proportion of oversize and undersize particles shall be within the manufacturer s declared values. 5.3 Density Bulk density packed The bulk density packed shall be in the range of 150 kg/m 3 to 550 kg/m 3. 6 Chemical properties The composition of the commercial product shall conform to table 1. Table 1 - Composition of commercial product Parameter Limit in % (m/m) of the product SiO2 min. 85 Mass loss at 150 C max. 5 2) European Inventory of existing Commercial Chemical Substances

SVENSK STANDARD SS-EN 12770

SVENSK STANDARD SS-EN 12770 Handläggande organ Fastställd Utgåva Sida Standardiseringsgruppen STG 2000-02-18 1 1 (1+11) Copyright SIS. Reproduction in any form without permission is prohibited. Footwear