Assertion: sewage's waste | /r/HasProperty | reduced by 90 percent
Facets:
value: between the 1980s
type: TEMPORAL
value: between 2006
type: TEMPORAL
Source sentences:
text: Control of releases of industrial sewage like petroleum products, radioactive waste and persistent organic pollutants has improved, with oily wastes reduced by 90 percent between the 1980s and 2006.