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  • BSI
    BS EN ISO 21268-1:2019 Soil quality. Leaching procedures for subsequent chemical and ecotoxicological testing of soil and soil-like materials - Batch test using a liquid to solid ratio of 2 l/kg dry matter
    Edition: 2019
    $418.55
    / user per year

Description of BS EN ISO 21268-1:2019 2019

This document specifies a test providing information on leaching of soil and soil-like materials under the experimental conditions specified hereafter, and particularly at a liquid to solid ratio of 2 l/kg dry matter.

The document has been developed to measure the release of inorganic and organic substances from soil and soil-like material as well as to produce eluates for subsequent ecotoxicological testing. For ecotoxicological testing, see ISO 15799[ 6] and ISO 17616[ 7].

NOTE 1

Volatile organic substances include the low-molecular-weight substances in mixtures such as mineral oil.

NOTE 2

It is not always possible to optimise test conditions simultaneously for inorganic and organic substances and optimum test conditions can also vary between different groups of organic substances. Test requirements for organic substances are generally more stringent than those for inorganic substances. The test conditions suitable for measuring the release of organic substances will generally also be applicable to inorganic substances.

NOTE 3

Within the category of organic substances, a significant difference in behaviour exists between the more polar, relatively water-soluble compounds and apolar, hydrophobic organic substances (HOCs). In the latter case, mechanisms of release (e.g. particle-bound or dissolved organic carbon-bound) can be more crucial as well as sorption losses of soluble HOCs on different materials with which they come in contact (e.g. bottles, filters). The test and the results should be used for leaching of organic substances only with thorough consideration of the specific properties of the substances in question and the associated potential problems.

NOTE 4

For ecotoxicological testing, eluates representing the release of both inorganic and organic substances are needed. In this document, ecotoxicological testing is also meant to include genotoxicological testing.

This test method produces eluates, which can subsequently be characterized by physical, chemical and ecotoxicological methods in accordance with existing standard methods. The test is not suitable for substances that are volatile under ambient conditions.

This procedure is not applicable to materials with a dry-matter-content ratio lower than 33 %.

This test is mainly aimed at being used for routine and control purposes, and it cannot be used alone to describe all leaching properties of a soil. Additional leaching tests are needed for that extended goal. This document does not address issues related to health and safety. It only determines the leaching properties as outlined in Clause 4.



Standard NumberBS EN ISO 21268-1:2019
TitleSoil quality. Leaching procedures for subsequent chemical and ecotoxicological testing of soil and soil-like materials - Batch test using a liquid to solid ratio of 2 l/kg dry matter
StatusDefinitive
Publication Date2019-10-28
Identical National Standard OfISO 21268-1, EN ISO 21268-1
DescriptorsQuality, Leaching, Soils, Chemical analysis and testing, Testing
ICS13.080.05 Examination of soils in general
CommitteeEH/4
ISBN978 0 580 99414 2
PublisherBSI
Pages36

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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