Assertion: formaldehyde | /r/AtLocation | indoor environments
Facets:
value: with extensive efforts
type: OTHER
value: always
type: TEMPORAL
Source sentences:
text: Even with extensive efforts to reduce formaldehyde emissions, formaldehyde will always be present in the indoor environments, simply because it is emitted from natural materials such as wood.
text: Since formaldehyde is present in most indoor environments, many organizations, including EPA, advise that formaldehyde levels be kept as low as reasonably achievable.