Assertion: hydrogen sulfide's concentration | /r/AtLocation | same study
Facets:
value: respectively
type: MANNER
Source sentences:
text: In the same study, maximum 1-hour and 24-hour average concentrations of 13.5 ppb (18.9 μg/m3) and 2.3 ppb (3.22 μg/m3), respectively, were reported.
text: In the same study, 99th percentile and maximum hourly concentrations of 0.6 to1.2 ppb (up to 0.84 to 1.68 μg/m3) and up to 10.8 ppb (up to 15.12 μg/m3), respectively, were reported, based on the assumption of up to 60% of total reduced sulfur being hydrogen sulfide.
text: In the same study, maximum 1-hour and 24-hour average concentrations of 22 ppb (30.8 μg/m3) and 3 ppb (4.2 μg/m3), respectively, were reported.