Assertion: ozone's concentration | /r/ObjectUse | used for this type of treatment
Facets:
Source sentences:
text: Concentrations used for this type of treatment are usually approximately 40ug/ml, and the ozone is introduced into the sauna at a rate of 1/4LPM.
text: Concentrations used for this type of treatment are usually approximately 30 - 40ug/ml, and the ozone is introduced into the sauna at a rate of 1/4LPM.