1、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BRITISH STANDARD BS EN 12880:2000 The Euro
2、pean Standard EN 12880:2000 has the status of a British Standard ICS 13.030.20 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Characterization of sludges Determination of dry residue and water contentThis British Standard, having been prepared under the direction of the Healt
3、h and Environment Sector Committee, was published under the authority of the Standards Committee and comes into effect on 15 October 2000 BSI 10-2000 ISBN 0 580 36376 7 BS EN 12880:2000 Amendments issued since publication Amd. No. Date Comments National foreword This British Standard is the official
4、 English language version of EN 12880:2000. The UK participation in its preparation was entrusted to Technical Committee EH/5, Sludge characterization, which has the responsibility to: aid enquirers to understand the text; present to the responsible European committee any enquiries on the interpreta
5、tion, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. A list of organizations represented on this committee can be obtained on request to its secretary. Further information Users of this standard are
6、informed that the UK submitted some substantial comments at the final voting stage of the draft EN for the following reasons. 1) In annex A, it is essential that the description of the samples used in the inter-laboratory comparison is given. The date that the laboratory inter-comparison was carried
7、 out should also be given. 2) The following note should be added to the scope: “The validation for this standard has only been carried out using materials as described in annex A. For other sludges, the user should validate the method using reproducibility tests”. 3) The final phrase, “and sludge pr
8、oducts,” in the first sentence of the scope should be removed as it is inappropriate. 4) In clause 5, suggest adding the following phrase: “This is an empirical method where the result is defined by the methodology. The test is usually employed as a process control parameter with emphasis on the det
9、ection of significant changes”. 5) In the section on Analytical Quality Control (AQC), it is recommended that an additional brief section be added on the use of adequate AQC as per CEN/TC223 methods: “The analysis described in this standard should be carried out within a quality control system utili
10、zing Analyical Quality Control measures. Where performance data are absent for the sample type, minimum reproducibility data should be obtained”.BS EN 12879:2000 BSI 10-2000 i Cross-references The British Standards which implement international or European publications referred to in this document m
11、ay be found in the BSI Standards Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Find” facility of the BSI Standards Electronic Catalogue. A British Standard does not purport to include all the necessary provisions of a contract. Users of British
12、 Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, the EN title page, pages 2 to 9 and a back cover. The
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