A weight-of-evidence approach to assess chemicals: case study on the assessment of persistence of 4,6-substituted phenolic benzotriazoles in the environment

Environmental Sciences Europe

Table 4 Results of QSAR calculations on ready biodegradation (all results are rated as reliable with restrictions)

	UV-320	UV-327	UV-328	UV-350
BIOWIN 2	0.016 (does not biodegrade fast)	0.0013 (does not biodegrade fast)	0.0108 (does not biodegrade fast)	0.1329 (does not biodegrade fast)
BIOWIN 6	0.0091 (not readily biodegradable)	0.0024 (not readily biodegradable)	0.0096 (not readily biodegradable)	0.012 (not readily biodegradable)
BIOWIN 3	1.1165 (months)	1.8338 (>1 month)	2.0546 (months)	2.2538 (weeks–months)
Overall conclusion acc. to QSAR criteria of ECHA guidance R.11^a	Screening criterion for persistence met	Screening criterion for persistence met	Screening criterion for persistence met	Screening criterion for persistence not met, borderline case