Assertion: chloroform | /r/HasProperty | reported for the niagara river
Facets:
value: from 1990
type: TEMPORAL
value: at fort erie
type: LOCATION
Source sentences:
text: The highest concentration of chloroform reported for the Niagara River at Fort Erie and Niagara-on-the-Lake from 1990 to 1993 was 0.19