ISO 5667-8:1993 PDF

Name: ISO 5667-8:1993 — Water quality — Sampling — Part 8: Guidance on the sampling of wet deposition
SKU: ISO 5667-8:1993
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Water quality — Sampling — Part 8: Guidance on the sampling of wet deposition

Название (английский):

ISO 5667-8:1993

Water quality — Sampling — Part 8: Guidance on the sampling of wet deposition

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 9
Дата публикации:: 11 марта 1993 г.
Издание:: ISO IS 5667 edition 1 version 1
ICS:: 13.060.45

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Описание (английский):

Provides guidance on the design of sampling programmes and the choice of instrumentation and techniques for the sampling of the quality of wet deposition. Does not cover measurement of the quantity of rain, dry deposition or other types of wet deposition such as mist, fog and cloudwaters. The main objectives are control of local emissions and assessment of long range transport of airborne pollutants.

Abstract

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Стандарты, упомянутые в описании

Overview

ISO 5667-8:1993, "Water quality - Sampling - Part 8: Guidance on the sampling of wet deposition," provides practical guidance for designing sampling programmes and selecting instrumentation and techniques for wet deposition sampling (rain and snow). The standard focuses on the quality of wet precipitation for chemical analysis and interpretation, and explicitly does not cover measurement of rainfall quantity, dry deposition, or other wet forms such as mist, fog and cloudwaters. Primary objectives include the control of local emissions and the assessment of long-range transport of airborne pollutants.

Key topics and technical requirements

Sampling programme design: Guidance on choosing representative sites and sampling strategies to detect temporal and spatial variations in precipitation chemistry.

Sampling equipment, materials and siting: Recommendations on collectors and construction materials:

Organic analyses: use stainless steel, glass or PTFE; avoid most plastics.
Inorganic analyses: high-quality polyethylene, glass, PTFE or polypropylene containers are acceptable; borosilicate/quartz glass with PTFE‑lined caps recommended for some parameters.

Contamination control and preservation:

Procedures for cleaning funnels/bottles and use of bottle blanks.
Acidification (e.g., nitric acid) to preserve trace metal samples and reduce adsorption.
Avoid sample transfer where possible; use sealable liners and dust-free handling.

Sampling techniques:

Event sampling (collect each precipitation event) and wet‑only collectors for representative chemistry.
Automatic wet‑only samplers with moisture sensors and heated grids to operate covers.
Composite sampling options (automatic or manual compositing; daily emptying as an approximation).
Special considerations for snow/snowfall sampling due to aerodynamic displacement.

Field measurements and sub-sampling: Make field measurements on separate discardable sub-samples and label bottles with filtration/preservative status.

Sample transport, storage and quality control: Rapid shipment, cool/dark storage, and laboratory coordination; guidance on sampling QA/QC and safety.

Practical applications

Environmental monitoring networks tracking acid deposition, nutrients, trace metals or organic contaminants in precipitation.

Research studies on atmospheric transport and deposition of pollutants.

Regulatory and compliance programmes assessing emissions impact on ecosystems.

Laboratory managers developing sampling SOPs and chain-of-custody for precipitation chemistry.

ISO 5667-8:1993 PDF

Abstract

Похожие стандарты

Overview

Key topics and technical requirements

Practical applications

Who should use it

Related standards

Технические детали

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