Assertion: lubricant's substance | /r/HasProperty | identified as uvcb
Facets:
Source sentences:
text: These levels of biodegradation must be achieved within 10 days of the start of degradation which point is taken as the time when 10 % of the substance has been degraded, unless the substance is identified as an UVCB or as a complex, multi-constituent substance with structurally similar components.