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ILNAS-EN ISO 22766:2021 Edition 11/2021
Plastics - Determination of the degree of disintegration of plastic materials in marine habitats under real field conditions (ISO 22766:2020)
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Abstract

This document specifies test methods for the determination of the degree of disintegration of plastic materials exposed to marine habitats under real field conditions. The marine areas under investigation are the sandy sublittoral and the sandy eulittoral zone where plastic materials can either be placed intentionally (e.g. biodegradable fishing nets) or end up as litter due to irresponsible human behaviour. This depends on their physical characteristics, form and size of the materials, and on water currents and tidal movements. This document specifies the general requirements of the apparatus, and the procedures for using the test methods described. The determination of the level of disintegration of plastic materials exposed to pelagic zones such as the sea surface or the water column above the seafloor are not within the scope of this document. This document is not suitable for the assessment of disintegration caused by heat or light exposure. The described field test is a disintegration test and not a biodegradation test. Therefore, it cannot be used for demonstrating biodegradation or for making unqualified claims such as "biodegradable in marine environment" and similar.

Status

Standard - Active

Origin

Technical Committee :
CEN/TC 249 : Plastics

Implementation

start of the vote on the project    15/07/2021   date of ratification (dor)    08/11/2021
end of the vote on the project    07/10/2021   date of anouncement (doa)    28/02/2022
start of the vote on the final project    16/02/2023   date of publication (dop)    31/05/2022
end of the vote on the final project    13/04/2023   date of withdrawal (dow)    31/05/2022


Publication Official Journal
of the Grand-Duchy of Luxembourg 		24/05/2022
Reference Mémorial A N° 244

International Classification for Standards (ICS codes) :

83.080.01 : Plastics in general
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