Date Printed: 11/14/2026 01:30 Daily Summary Report Site: Clemmons Middle 11/13/2026 Interval: 001h O3 PM2.5 PM10 LC PM Coarse Time ppm ug/m3 ug/m3 ug/m3 00:00 B 2.8 4.6 1.8 01:00 B 2.5 4.9 2.3 02:00 B 2.5 4.5 1.9 03:00 B 2.7 5.6 2.8 04:00 B 2.7 4.7 1.9 05:00 B 2.2 3.5 1.3 06:00 B 2.4 3.8 1.4 07:00 B 2.8 6.9 4.0 08:00 B 2.5 6.4 3.8 09:00 B 2.3 4.0 1.6 10:00 B 2.4 4.5 2.1 11:00 B 2.1 4.0 1.9 12:00 B 1.8 3.0 1.1 13:00 B 1.3 3.3 1.9 14:00 B 1.1 3.2 2.0 15:00 B 1.0 2.5 1.4 16:00 B 1.1 3.2 2.0 17:00 B 1.3 3.0 1.6 18:00 B 2.0 3.4 1.4 19:00 B 2.5 4.2 1.6 20:00 B 3.1 6.4 3.2 21:00 B 3.2 5.8 2.5 22:00 B 3.5 6.4 2.9 23:00 B 3.3 6.0 2.6 Average 2.2 4.4 2.1 Max B 3.5 6.9 4.0 Max Hour 22:00 07:00 07:00 Min B 1.0 2.5 1.1 Count 0 24 24 24 Total Calibration Report Parameter Sequence Phase Start Time End Time Value Expected Value % Error 0.0 % Error Date Printed: 11/14/2026 01:30 Daily Summary Report Site: Hattie Avenue (A) 11/13/2026 Interval: 001h Ozone NO NO2 NOx SO2 Time ppm ppb ppb ppb ppb 00:00 B .1 6.1 6.2 .2 01:00 B .1 4.0 4.1 .2 02:00 B .1 4.4 4.6 .2 03:00 B .0 2.7 2.8 .2 04:00 B .1 2.6 2.8 .2 05:00 B .1 3.2 3.4 .2 06:00 B .2 5.7 6.0 .2 07:00 B 1.0 8.9 10.0 .2 08:00 B 1.4 4.8 6.2 .3 09:00 B .8 2.3 3.2 .2 10:00 B .8 1.9 2.7 .2 11:00 B .6 1.6 2.2 .2 12:00 B .4 1.5 2.0 .2 13:00 B .4 1.9 2.4 .2 14:00 B .4 2.2 2.6 .2 15:00 B .3 C 3.2 C 3.6 C .3 16:00 B C C C .2 17:00 B .1 C 4.0 C 4.1 C .2 18:00 B .1 5.5 5.6 .2 19:00 B .0 4.8 4.9 .2 C 20:00 B .0 3.7 3.8 C 21:00 B .0 4.9 5.0 .2 C 22:00 B .0 6.7 6.8 .2 23:00 B .4 9.1 9.5 .2 Average .3 4.1 4.5 .2 Max B 1.4 9.1 10.0 .3 Max Hour 08:00 23:00 07:00 15:00 Min B .0 1.5 2.0 .2 Count 0 23 23 23 23 Total Calibration Report Parameter Sequence Phase Start Time End Time Value Expected Value % Error NO NOx_Auto NO-PREC 13-Nov-2026 15:46:00 16:11:00 69.1 70 -1.18% GPT-PS 13-Nov-2026 15:46:00 16:18:00 0.5 0.0 .53 GPTZ 13-Nov-2026 15:46:00 16:38:00 223.9 225 -.47% GPT-PREC 13-Nov-2026 15:46:00 17:08:00 156.1 155 .75% NO2 GPT-PREC 13-Nov-2026 15:46:00 17:08:00 68.4 70 -2.18% NO2 Precision NO2_Diff PRECDIFF 13-Nov-2026 17:15:00 17:15:05 67.7 68.474 -1.02% NOx NOx_Auto NO-PREC 13-Nov-2026 15:46:00 16:11:00 69.1 70 -1.19% SO2 SO2_Auto ZERO 13-Nov-2026 19:46:00 20:11:00 0.1 0.0 .14 SPAN 13-Nov-2026 19:46:00 20:36:00 86.7 90 -3.62% PREC 13-Nov-2026 19:46:00 21:01:00 38.3 40 -4.22% Date Printed: 11/14/2026 01:30 Daily Summary Report Site: Hattie Avenue (B) 11/13/2026 Interval: 001h PM2.5 PM10 STP PM Coarse Time ug/m3 ug/m3 ug/m3 00:00 3.2 6.3 3.2 01:00 2.8 5.6 2.9 02:00 2.5 4.1 1.6 03:00 2.3 3.9 1.7 04:00 2.4 4.0 1.7 05:00 2.1 3.7 1.7 06:00 1.7 2.7 1.0 07:00 1.8 5.0 3.2 08:00 2.2 5.0 2.8 09:00 2.7 7.6 4.9 10:00 2.3 9.1 6.7 11:00 1.6 6.6 4.9 12:00 1.4 4.1 2.7 13:00 1.2 5.3 4.0 14:00 1.2 5.7 4.4 15:00 1.3 5.6 4.2 16:00 1.3 6.2 4.9 17:00 1.5 6.2 4.8 18:00 2.3 5.5 3.3 19:00 2.6 5.1 2.5 20:00 2.8 5.0 2.3 21:00 3.1 5.3 2.3 22:00 3.6 6.8 3.3 23:00 5.1 9.1 4.3 Average 2.2 5.5 3.3 Max 5.1 9.1 6.7 Max Hour 23:00 23:00 10:00 Min 1.2 2.7 1.0 Count 24 24 24 Total Calibration Report Parameter Sequence Phase Start Time End Time Value Expected Value % Error 0.0 -4.22% Date Printed: 11/14/2026 01:30 Daily Summary Report Site: Union Cross 11/13/2026 Interval: 001h Ozone Barometric Pres. Temperature (°F) Dew Point (°F) Time ppm mmHg DegF DegF 00:00 B 727.4 43.9 33.5 01:00 B 727.5 43.0 33.4 02:00 B 727.7 03:00 B 727.7 42.9 33.6 04:00 B 727.8 41.7 33.5 05:00 B 727.9 41.9 33.8 06:00 B 728.1 41.7 34.0 07:00 B 728.5 41.2 34.3 08:00 B 728.8 45.3 34.4 09:00 B 728.9 48.2 33.0 10:00 B 729.2 50.4 31.2 11:00 B 729.1 52.3 31.0 12:00 B 728.6 53.8 31.9 13:00 B 728.4 53.5 31.5 14:00 B 728.4 53.3 31.8 15:00 B 728.6 52.3 31.9 16:00 B 729.2 51.0 32.2 17:00 B 729.7 49.4 31.6 18:00 B 730.2 47.3 29.8 19:00 B 730.8 46.1 28.9 20:00 B 731.1 45.8 29.1 21:00 B 731.7 45.2 29.0 22:00 B 731.9 23:00 B 732.2 41.2 28.0 Average 729.1 46.8 31.8 Max B 732.2 53.8 34.4 Max Hour 23:00 12:00 08:00 Min B 727.4 41.2 28.0 Count 0 24 22 22 Total Calibration Report Parameter Sequence Phase Start Time End Time Value Expected Value % Error 0.0 -4.22% Flags T Out of Control A Arithmetic Error (math calculation error) t Out of Control (Partial) S Site Visit s Site Activity > Some Data Missing + Max Exceeded - Min Exceeded < Logger Invalid ? Suspect a Audit B Bad Status C Calibration c Ceiling Limit D Channel Disabled E Edited e Site Malfunction f Floor Limit H High-High Alarm h High Alarm I Invalidated By Edit J High Rate of Change Exceeded L Low-Low Alarm l Low Alarm M Maintenance m Marked Maint by edit O Overrange o Other P Power Failure p Precision Check Q Quality Assured R Rate of Change Exceeded V Dig Info#1 W Dig Info#2 X Dig Info#3 Y Dig Info#4 Z Dig Info#5 z Zero Adjusted F Boiler Offline j Low Rate of Change Exceeded