Assertion: tritium | /r/CapableOf | reach 120 bq/l
Facets:
value: in the mid-1960s
type: TEMPORAL
value: in precipitation in ottawa
type: LOCATION
Source sentences:
text: Tritium produced from nuclear weapons tests in the 1950s and 1960s was dispersed into the global atmosphere and reached 120 Bq/L in precipitation in Ottawa in the mid-1960s.