Assertion: shirt | /r/HasAspect | level
Facets:
value: after 6 months after washing
type: TEMPORAL
value: in excess of 75 ppm
type: OTHER
Source sentences:
text: In 1999, a study of the effect of washing on the formaldehyde levels found that after 6 months after washing, 7 of 27 shirts had levels in excess of 75 ppm, which is a safe limit for direct skin exposure.