Assertion: formaldehyde | /r/AtLocation | elevated levels
Facets:
value: so commonly
type: TEMPORAL
value: in millions of homes
type: LOCATION
Source sentences:
text: Glues and additives in many other synthetic materials and engineered wood products like "Oriented Strand Board" (OSB board) or particle board is why Formaldehyde is so commonly found at elevated levels in millions of homes.