EN ISO 15473:2020 PDF

Name: EN ISO 15473:2020 — Soil quality - Guidance on laboratory testing for biodegradation of organic chemicals in soil under anaerobic conditions (ISO 15473:2002)
SKU: EN ISO 15473:2020
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Soil quality - Guidance on laboratory testing for biodegradation of organic chemicals in soil under anaerobic conditions (ISO 15473:2002)

Название (английский):

EN ISO 15473:2020

Soil quality - Guidance on laboratory testing for biodegradation of organic chemicals in soil under anaerobic conditions (ISO 15473:2002)

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 20
Дата публикации:: 29 апреля 2020 г.
Издание:: CEN EN 15473 edition 1 version 1
ICS:: 13.080.30

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Описание (английский):

This International Standard gives guidance on the selection and method of appropriate tests for the determination of biodegradation of organic chemicals in soil samples under anaerobic conditions. NOTE For methods intended for tests in the framework of the registration of chemicals, an OECD Guideline on soil degradation gives useful guidance on additional test requirements.

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

EN ISO 15473:2020 (ISO 15473:2002) - "Soil quality - Guidance on laboratory testing for biodegradation of organic chemicals in soil under anaerobic conditions" - provides laboratory guidance for selecting and performing appropriate tests to determine how organic chemicals degrade in soil when oxygen is absent. The standard addresses test selection, soil sampling and handling, incubation approaches, measurement of degradation, and reporting of results. It is intended for environmental laboratories, regulators, chemical registrants and researchers assessing persistence and anaerobic transformation of organic compounds in soils.

Key topics and requirements

Scope and purpose

Guidance for determining biodegradation of organic chemicals in soil under anaerobic conditions; useful where soil is water-logged, marshy, landfill or otherwise reducing.

Defined terms

Clear definitions for biodegradation, primary/ultimate biodegradation, DT50/DT90, bound (non-extractable) residues, and anaerobic transformation.

Test approaches

Two principal methods are described:
- Methanogenic incubation: chemically induced low redox potential (recommended to assess methanogenic potential). Methanogenic redox potential is stated as less than –200 mV.
- Water‑logged (flooded) incubation: simulates natural transient anaerobic conditions; redox development depends on soil and may progress through nitrate-, Fe‑, sulfate‑reducing stages (with example redox ranges cited).

Measurement and analytics

Biodegradation monitored via production of CO2, methane and other volatiles or by substance‑specific analysis of parent compound disappearance.
Use of radio-labelled (e.g., 14C) compounds is recommended when tracking volatiles, metabolites or formation of bound residues.

Soil selection and characterization

Preferentially use soil from the anticipated exposure site; record field history, sampling depth, aeration status and amendments.
Characterize soils (pH, organic carbon, texture, water content, redox potential) to support interpretation.

Reporting

Standard requires clear expression of results (e.g., DT50/DT90, extent of mineralization, bound residue) and a comprehensive test report.

Applications and users

Environmental testing laboratories performing biodegradation assays under anaerobic conditions

Regulators and risk assessors evaluating chemical persistence and fate in anoxic soils and sediments

Chemical manufacturers and registrants preparing degradation data for registration or environmental dossiers

Researchers studying anaerobic microbial transformation, landfill or wetland contaminant behavior

Contaminated land consultants assessing remediation options for reduced environments

Related standards and guidance

ISO 11266 (aerobic biodegradation guidance)

ISO 14239 (laboratory incubation systems for aerobic mineralization)

ISO 10381-6 (soil sampling and handling)

OECD Guidelines on soil degradation (additional requirements for regulatory testing)

Keywords: soil quality, biodegradation, anaerobic conditions, EN ISO 15473:2020, methanogenic, water‑logged, redox potential, DT50, bound residue, laboratory testing.

EN ISO 15473:2020 PDF

Abstract

Похожие стандарты

Overview

Key topics and requirements

Applications and users

Related standards and guidance

Технические детали

ISO 15473:2002

Soil quality — Guidance on laboratory testing for biodegradation of organic chemicals in soil under anaerobic…

SIST EN ISO 11266:2020

Soil quality - Guidance on laboratory testing for biodegradation of organic chemicals in soil under aerobic c…

BS EN ISO 14239:2020

Soil quality. Laboratory incubation systems for measuring the mineralization of organic chemicals in soil und…

ISO 10381-6:1993

Soil quality — Sampling — Part 6: Guidance on the collection, handling and storage of soil for the assessment…