Assertion: formaldehyde | /r/HasProperty | designated as toxic air contaminant
Facets:
value: with no safe level of exposure
type: OTHER
value: in california
type: LOCATION
value: in 1992
type: TEMPORAL
Source sentences:
text: Formaldehyde was also designated as a toxic air contaminant (TAC) in California in 1992 with no safe level of exposure.