Assertion: hydrogen peroxide | /r/HasProperty | cost-effective
Facets:
value: for gravity sewers
type: TRANSITIVE-OBJECT
value: with retention times
type: OTHER
value: for typical domestic sewers
type: OTHER
Source sentences:
text: Hydrogen peroxide (H2O2) is considerably simpler and more cost-effective.
text: For typical domestic sewers, hydrogen peroxide is cost-effective for gravity sewers with retention times < 3-4 hours and force mains with retention times < 2-3 hours.