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Regulations should have (i) increased transparency about chemical identities, physical characteristics and grouping approaches for in-use polymers

(2/n)

(ii) improved understanding of the environmental fate of polymers and materials composed of polymers across size and density categories and exposure profiles
- the figure below shows different ways polymers and plastics over diverse size ranges manifest in the environment

(3/n)

Hans Peter Arp

(iii) comprehensive assessment of the environmental hazards of polymers, considering the effects of degradation and weathering and taking into account the actual uptake, long-term toxicity, and geophysical impacts

- such as for the below

(4/n)

(iv) consideration of the production volume and use/release patterns in determining regulatory data and testing requirements

Many thanks to @KseniaGroh , @MattMacL and @ZhanyunWang for fantastic collaboration on this!

Thanks Elizabeth Ellenwood for providing the images of and :-)

Funding: @ZeroPM_H2020 @HorizonEU & @forskningsradet & @FulbrightPrgrm