Assertion: formaldehyde | /r/HasProperty | listed by the air resources board
Facets:
value: with no safe level of exposure
type: OTHER
value: formally
type: MANNER
value: in 1992
type: TEMPORAL
Source sentences:
text: However, "In 1992, formaldehyde was formally listed by the Air Resources Board as a Toxic Air Contaminant in California with no safe level of exposure.