Central California Ozone Study (CCOS) - Desert Research Institute
Central California Ozone Study (CCOS) - Desert Research Institute
Central California Ozone Study (CCOS) - Desert Research Institute
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<strong>CCOS</strong> Field Operations Plan Version 2: 5/31/00<br />
6/15/2000 Field surface measurements begin<br />
9/15/2000 Field surface measurements end<br />
9/30/2000 Field measurements end for upper air meteorology<br />
7/1/2001 Draft data quality summary and<br />
Draft QA report (field and laboratory measurements)<br />
10/1/2001 Final data quality summary and<br />
Final QA report (field and laboratory measurements)<br />
In general, audits of all measurement systems will be carried out as soon as the<br />
measurement systems are in place and operational in order to identify and correct potential<br />
problems before they impact the measurement DQOs. In addition, every attempt will be made<br />
to complete as many of the audits as possible prior to the start of the Primary <strong>Study</strong> Period<br />
(7/6/00), during which Intensive Operational Periods (IOPs) can occur. The following schedule<br />
takes into account this approach and the anticipated measurement start dates presented above.<br />
Delays in the starting of measurements may push some audits into the Primary <strong>Study</strong> Period.<br />
Auditing effort Auditor # of Date to be conducted<br />
sites<br />
Air quality system and performance<br />
audits, S0, S1, and S2 sites<br />
CARB/<br />
BAAQMD<br />
23 5/1/00 – 9/15/00<br />
Air quality system and performance D. Bush 8 6/20/00 – 7/7/00<br />
audits, S2 and research sites<br />
Aircraft air quality system and CARB/ 4 6/12/00 – 7/5/00<br />
performance audits<br />
D. Bush<br />
Radar profiler/RASS system and R. Baxter/ 13 5/15/00 – 7/5/00<br />
performance audits<br />
D. Bush<br />
Sodar system and performance R. Baxter 5 5/15/00 – 7/5/00<br />
audits<br />
Surface meteorology (including R. Baxter/ 15 5/15/00 – 7/5/00<br />
surface measurements at each of the D. Bush<br />
upper air sites)<br />
Data processing audits D. Bush 4 8/1/00 – 8/30/00<br />
Table 4.2-1 specifies the audit schedule for the ARB QA audit teams (Van A and B).<br />
4.3 Audit Standards And Certification<br />
Radar Profilers / RASS<br />
The radar profiler and RASS audits will be performed by releasing balloon borne sondes<br />
and comparing the calculated wind and virtual temperature (Tv) profiles with that or the radar<br />
profiler and RASS, respectively. Prior to release, the sondes’ output is verified against the<br />
surface pressure and temperature readings of an audit device. These barometers are certified by<br />
a single-point comparison to a standard barometer, as well as by periodic comparisons to airport<br />
Chapter 4: QUALITY ASSURANCE 4-4
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