# The Chemical Analysis of Water Status (Technical Specifications) Regulations (Northern Ireland) 2011, Regulation 4: Methods of analysis

Extent: N.I.

The Department shall ensure that all methods of analysis, including laboratory, field and on-line methods, used for the purposes of regulation 3(c) are validated and documented in accordance with EN ISO/IEC-17025 standard or other equivalent standard accepted at international level.

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Source: https://www.legislation.gov.uk/nisr/2011/238/regulation/4 (the official version)
Page: https://openlegislation.uk/chemical-analysis-of-water-status-technical-specifications-regulations-northern-ireland-2011/regulation-4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.