EN ISO 19458:2006 PDF

Name: EN ISO 19458:2006 — Water quality - Sampling for microbiological analysis (ISO 19458:2006)
SKU: EN ISO 19458:2006
Price: 73.76 EUR
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Water quality - Sampling for microbiological analysis (ISO 19458:2006)

Название (английский):

EN ISO 19458:2006

Water quality - Sampling for microbiological analysis (ISO 19458:2006)

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 25
Дата публикации:: 1 августа 2006 г.
Издание:: CEN EN 19458 edition 1 version 1
ICS:: 13.060.45

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Срок поставки:5 раб. дн. (перевод)

Цена:375 €

Описание (английский):

ISO 19458:2006 provides guidance on planning water sampling regimes, on sampling procedures for microbiological analysis and on transport, handling and storage of samples until analysis begins. ISO 19458:2006 focuses on sampling for microbiological investigations.

Abstract

Overview

Key topics and requirements

Scope and purpose: Guidance specifically focussed on microbiological sampling (living organisms in suspension) rather than chemical sampling; complements the ISO 5667 series for different water bodies.
Sampling point selection: Choose representative sites that account for vertical, horizontal and temporal variations; avoid unstable or heterogeneous locations (dead-ends, surface films, inlet/outlet differences).
Sampling technique and personnel: Formal training, documented competence and record-keeping for staff who take samples.
Sample containers and volumes: Use clean, sterile bottles (glass or plastics such as polyethylene) with volumes adequate for requested analyses. Typical routine volume: 500 ml; larger volumes (up to 1 L or many litres) for pathogens (Legionella, Salmonella, viruses, protozoa) often require on-site concentration (filtration, flocculation).
Sterilization and handling: Re-useable glass bottles should be cleaned and autoclaved or oven-sterilized; single-use plastics may be sterilized by gamma or ethylene oxide where appropriate; controls and traceability for sterilization processes are recommended.
Inactivation of disinfectants: To accurately assess disinfected waters, an appropriate neutralizer (e.g., sodium thiosulfate) must be added at sampling to stop oxidant action - ISO 19458 gives guidance on dosing.
Transport and storage: Guidance on temperature control, maximum holding times and preservation until analysis begins (see Annex B for recommended/acceptable storage times).
Sampling frequency and statistics: Annex A provides methods to determine the number of samples needed to estimate mean microbial concentrations with defined confidence.

Applications and users

Who uses EN ISO 19458:2006:

Water utilities and distribution system operators
Environmental and public health laboratories
Microbiologists and laboratory managers validating sampling protocols
Regulators and consultants assessing compliance (drinking water, recreational water, pools, bottled water) Practical uses include routine compliance sampling, outbreak investigations, disinfection efficacy studies, and surveillance for pathogens (Legionella, enteric viruses, protozoa).

Related standards

ISO 5667-1, ISO 5667-2, ISO 5667-3 (sampling design, techniques and preservation) - referenced normative guidance that complements ISO 19458.

Keywords: EN ISO 19458:2006, ISO 19458, water quality, sampling for microbiological analysis, sampling procedures, sample containers, sterilization, disinfectant inactivation, transport and storage, ISO 5667.

Технические детали

Технический комитет: CEN/TC 230 - Water analysis
SKU: EN ISO 19458:2006

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EN ISO 19458:2006 PDF

Abstract

Overview

Похожие стандарты

Key topics and requirements

Applications and users

Related standards

Технические детали

ISO 19458:2006

Water quality — Sampling for microbiological analysis

BS ISO 5667-21:2010

Water quality. Sampling - Guidance on sampling of drinking water distributed by tankers or means other than d…

SIST EN ISO 19458:2007

Water quality - Sampling for microbiological analysis (ISO 19458:2006)

SIST EN ISO 5667-1:2023

Water quality - Sampling - Part 1: Guidance on the design of sampling programmes and sampling techniques (ISO…

ISO 5667-3:2024

Water quality — Sampling — Part 3: Preservation and handling of water samples