Assertion: fluoride's level | /r/CapableOf | deem safe
Facets:
value: in 1 ppm
type: OTHER
value: by the united states
type: OTHER
value: by the u.s. public health service
type: OTHER
Source sentences:
text: The third group was from the town of Launton, where the natural water supply contains 1ppm of fluorine (the same as the level deemed "safe" by the U.S. Public Health Service).
text: The level of fluoride deemed “safe” by the United States in 1 ppm.