ENA/OZONE/C1 - Reprocess: Under reporting ozone concentration

Switching valve developed an internal leak that gradually worsened. Reported instrument 
values are under-representations of the ambient ozone concentration during this period. The 
under reporting worsens from 85% to 77% over the course of this DQR. No corrections have 
been applied at this point.

A linear correction of the data from reported[ozone]/0.85 at the beginning of the 

period to reported[ozone]/0.77 at the end of the period brings the internal calibrations 
into line AND agrees with the step function of [O3] before and after the valve replacement.

• ozone

• Raw data stream - documentation not supported