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Biodegradation in water: screening tests

The ready biodegradability of the read across substance Reaction products of γ-butyrolactone, naphthalene-1,6-diol and phthalic anhydride (EC 946-798-2) was determined according OECD 301 B under GLP conditions. The read across substance is not readily biodegradable according to OECD criteria, but poorly biodegradable (15% CO2/ThCO2 after 28 days).

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