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Biodegradation in water: screening tests

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Description of key information

Biodegradation in water: screening test: OECD Guideline for the Testing of Chemicals, OECD 301B; Not readily Biodegradable; Reliability = K1;  

Evidence of ready biodegradability in a Carbon Dioxide Evolution Test is ≥ 60% TCO2 within the 28 day test period.  In addition, the pass level must be reached within 10 days of achieving 10% TCO2.  The final mean percent biodegradation for BPAF/BPAF: BTPP-Salt was -10.3% at the end of the test.

The average cumulative percent biodegradation for BPAF/BPAF: BTPPSalt was 10.3% lower than the blank inoculum, indicating that BPAF/BPAF: BTPP Salt did not degrade over the 28 day test period.

Key value for chemical safety assessment

Biodegradation in water:
under test conditions no biodegradation observed

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