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BS ISO 17088:2021

BS ISO 17088:2021

$142.49

Plastics. Organic recycling. Specifications for compostable plastics

Published By Publication Date Number of Pages
BSI 2021 32
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This document specifies procedures and requirements for plastics, and products made from plastics, that are suitable for recovery through organic recycling. The four following aspects are addressed:

  1. disintegration during composting;

  2. ultimate aerobic biodegradation;

  3. no adverse effects of compost on terrestrial organisms;

  4. control of constituents.

These four aspects are suitable to assess the effects on the industrial composting process.

This document is intended to be used as the basis for systems of labelling and claims for compostable plastics materials and products.

This document does not provide information on requirements for the biodegradability of plastics which end up in the environment as litter. It is also not applicable to biological treatment undertaken in small installations by householders.

NOTE 1

The recovery of compostable plastics through composting can be carried out under the conditions found in well-managed industrial composting processes, where the temperature, water content, aerobic conditions, carbon/nitrogen ratio and processing conditions are optimized. Such conditions are generally obtained in industrial and municipal composting plants. Under these conditions, compostable plastics disintegrate and biodegrade at rates comparable to yard trimmings, kraft paper bags and food scraps.

NOTE 2

“Compostable” or “compostable in municipal and industrial composting facilities” are expressions considered to be equivalent to organically recyclable for the purposes of this document.

PDF Catalog

PDF Pages PDF Title
2 National foreword
6 Foreword
8 Introduction
9 1 Scope
2 Normative references
10 3 Terms and definitions
12 4 General
5 Basic requirements
5.1 General
5.2 Disintegration during composting
5.3 Ultimate aerobic biodegradability
5.4 No adverse effect of compost on terrestrial organisms
13 5.5 Control of constituents
6 Detailed requirements
6.1 General
6.2 Disintegration during composting
6.2.1 General
14 6.2.2 Variation in permitted thickness
6.3 Ultimate biodegradation
6.3.1 Aerobic biodegradation
15 6.3.2 Potential for biogas production
16 6.4 No adverse effects of compost on terrestrial organisms
6.4.1 General
6.4.2 Ecotoxicity test scheme
6.4.3 Plant growth test (mandatory)
17 6.4.4 Acute earthworm toxicity test (mandatory)
6.4.5 Chronic earthworm toxicity test (mandatory)
6.4.6 Nitrification inhibition test with soil microorganisms (optional)
6.5 Control of constituents
6.5.1 General
6.5.2 Regulated metals and other elements
18 6.5.3 Per- and poly-fluorinated compounds (PFCs)
6.5.4 Other hazardous substances
6.5.5 Volatile solids
7 Declaration of results
8 Test report
20 Annex A (informative) Examples of maximum concentrations of regulated metals and other elements
21 Annex B (normative) Detection of per- and poly-fluorinated compounds and maximum concentrations of other hazardous substances
22 Annex C (normative) Determination of ecotoxic effects on higher plants
24 Annex D (normative) Determination of acute ecotoxic effects to earthworm
26 Annex E (normative) Determination of chronic ecotoxic effects to earthworm
28 Annex F (informative) Determination of nitrification activity of soil microorganisms
30 Bibliography

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BS ISO 17088:2021
$142.49