Assertion: liter | /r/HasProperty | pci/l
Facets:
Source sentences:
text: When radiation from radon is measured directly, the amount is usually expressed in picocuries per liter of air (pCi/L).
text: However, the EPA recommends homes be fixed if an occupant's long-term exposure will average 4 picocuries per liter (pCi/L) or higher.