Symphony reports d2w soil-test results; test conditions and timing need careful reading
Symphony Environmental published a soil-biodegradation study update on 7 September 2026. Company's reported findings The company describes eight tests conducted by Intertek India, including accelerated ageing of d2w polyethylene under ASTM D5208, soil testing under ISO 17556 and earthworm and plant assessments using OECD methods. It reports extensive mineralisation, no detected microplastics in the stated analytical examinations and no adverse effects in the specified organism tests. Limits of t
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