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Sci Total Environ. 2019 Feb 15;651(Pt 2):3253-3268. doi: 10.1016/j.scitotenv.2018.10.015. Epub 2018 Oct 4.

Overview of known plastic packaging-associated chemicals and their hazards.

Author information

1
Food Packaging Forum Foundation, Zurich, Switzerland. Electronic address: ksenia.groh@fp-forum.org.
2
Department of Biological and Environmental Sciences, University of Gothenburg, Gothenburg, Sweden.
3
Food Packaging Forum Foundation, Zurich, Switzerland.
4
International Chemical Secretariat (ChemSec), Gothenburg, Sweden.
5
Department of Environment & Health, Vrije Universiteit Amsterdam, the Netherlands.
6
Independent Consultant, Germantown, MD, USA.
7
Centre for Sustainable Development (GMV), University of Gothenburg, Gothenburg, Sweden.
8
School of Medicine, New York University, New York, USA.
9
CHEM Trust, London, United Kingdom.

Abstract

Global plastics production has reached 380 million metric tons in 2015, with around 40% used for packaging. Plastic packaging is diverse and made of multiple polymers and numerous additives, along with other components, such as adhesives or coatings. Further, packaging can contain residues from substances used during manufacturing, such as solvents, along with non-intentionally added substances (NIAS), such as impurities, oligomers, or degradation products. To characterize risks from chemicals potentially released during manufacturing, use, disposal, and/or recycling of packaging, comprehensive information on all chemicals involved is needed. Here, we present a database of Chemicals associated with Plastic Packaging (CPPdb), which includes chemicals used during manufacturing and/or present in final packaging articles. The CPPdb lists 906 chemicals likely associated with plastic packaging and 3377 substances that are possibly associated. Of the 906 chemicals likely associated with plastic packaging, 63 rank highest for human health hazards and 68 for environmental hazards according to the harmonized hazard classifications assigned by the European Chemicals Agency within the Classification, Labeling and Packaging (CLP) regulation implementing the United Nations' Globally Harmonized System (GHS). Further, 7 of the 906 substances are classified in the European Union as persistent, bioaccumulative, and toxic (PBT), or very persistent, very bioaccumulative (vPvB), and 15 as endocrine disrupting chemicals (EDC). Thirty-four of the 906 chemicals are also recognized as EDC or potential EDC in the recent EDC report by the United Nations Environment Programme. The identified hazardous chemicals are used in plastics as monomers, intermediates, solvents, surfactants, plasticizers, stabilizers, biocides, flame retardants, accelerators, and colorants, among other functions. Our work was challenged by a lack of transparency and incompleteness of publicly available information on both the use and toxicity of numerous substances. The most hazardous chemicals identified here should be assessed in detail as potential candidates for substitution.

KEYWORDS:

Additive; Chemical composition; Environment; Harmonized hazard data; Human health; Non-intentionally added substances (NIAS); Packaging; Plastics; Substitution

PMID:
30463173
DOI:
10.1016/j.scitotenv.2018.10.015
[Indexed for MEDLINE]
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