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AQD Site Index

• Each table summarizes one 24-hour period for each site.

• Each value represents an hourly average.

• Hour "00" is the hour spanning from midnight to 1:00 A.M. Central Standard Time.

• The parameters monitored are:

CO	Carbon Monoxide
NO2	Nitrogen Dioxide
NO	Nitric Oxide
NOx	Nitrogen Oxides
O3	Ozone
PM-10	Particulate Matter <10 microns
PM-2.5	Particulate Matter <2.5 microns
SO2	Sulfur Dioxide
Temp	Indoor temperature at site
H2S	Hydrogen Sulfide

• Unit abbreviations are:

PPM	parts per million
DEGF	degrees Fahrenheit
UG/M3	micrograms per cubic meter

• Data Qualifers (alpha-numeric characters appended to a reading may indicate suspect data):

<	<75% Data Capture
>	75% - 95% Data Capture
B	Equipment Failure
C	Multipoint Calibration
c	Site computer/data logger down
D	Voided by Operator
E	Operator Error
I	Miscellaneous
M	Maintenance/Routine Repairs
P	Power Failure
q	Q C Audit
Q	A Q Audit
S	Building/Site Repair
T	Shelter Temperature Outside Limits
X	Poor Quality Assurance Results
Z	Precision/Zero/Span

 

Please direct additional questions concerning data interpretation to the Department of Environmental Quality (405) 702-4100.