Given a premise, retrieve a hypothesis that is entailed by the premise.The unquantified benefits for ozone and PM fall into two  (1) those for which the scientific literature does not provide an established Concentration-Response (C-R) function capable of estimating health effects with reasonable certainty and (2) those effects that may double-count benefits (e.g.
There are two categories of unquantified benefits for ozone and PM.
There are absolutely zero unquantified benefits for ozone and PM.