Date Printed: 11/10/2026 01:30 Daily Summary Report Site: Clemmons Middle 11/9/2026 Interval: 001h O3 PM2.5 PM10 LC PM Coarse Time ppm ug/m3 ug/m3 ug/m3 00:00 B 7.2 13.4 6.1 01:00 B 7.4 12.9 5.4 02:00 B 7.3 13.0 5.7 03:00 B 7.2 12.6 5.4 04:00 B 7.5 12.4 4.8 05:00 B 7.3 12.5 5.2 06:00 B 7.0 13.9 6.8 07:00 B 7.5 15.7 8.2 08:00 B 6.9 16.2 9.2 09:00 B 5.5 10.9 5.3 10:00 B 3.6 8.3 4.7 11:00 B 3.6 9.1 5.4 12:00 B 3.6 9.3 5.6 13:00 B 3.3 11.3 8.0 14:00 B 3.0 7.6 4.6 15:00 B 2.9 7.3 4.4 16:00 B 2.9 10.3 7.4 17:00 B 3.1 8.9 5.7 18:00 B 3.2 8.6 5.4 19:00 B 4.8 10.3 5.4 20:00 B 4.7 9.5 4.7 21:00 B 5.0 10.8 5.8 22:00 B 9.6 17.0 7.4 23:00 B 6.2 13.4 7.2 Average 5.4 11.4 5.9 Max B 9.6 17.0 9.2 Max Hour 22:00 22:00 08:00 Min B 2.9 7.3 4.4 Count 0 24 24 24 Total Calibration Report Parameter Sequence Phase Start Time End Time Value Expected Value % Error 0.0 % Error Date Printed: 11/10/2026 01:30 Daily Summary Report Site: Hattie Avenue (A) 11/9/2026 Interval: 001h Ozone NO NO2 NOx SO2 Time ppm ppb ppb ppb ppb 00:00 B .1 5.8 6.0 .2 01:00 B .2 7.9 8.1 .2 02:00 B .2 8.2 8.4 .2 03:00 B .2 8.0 8.2 .2 04:00 B .1 9.0 9.1 .2 05:00 B .1 9.1 9.2 .2 06:00 B .5 14.6 15.1 .2 07:00 B 2.9 19.7 22.6 .2 08:00 B 4.6 13.0 17.6 .4 09:00 B .9 4.1 5.1 .4 10:00 B .5 2.3 2.9 .3 11:00 B .3 1.9 2.3 .3 12:00 B .2 1.7 2.0 .3 13:00 B .2 1.6 1.8 .3 14:00 B .4 2.2 2.6 .2 15:00 B .2 C 2.2 C 2.4 C .2 16:00 B C C C .3 17:00 B .0 C 8.8 C 8.9 C .3 18:00 B .0 14.6 14.7 .3 19:00 B .0 14.0 14.0 .3 C 20:00 B .7 15.0 15.7 C 21:00 B .5 12.9 13.5 .3 C 22:00 B .1 13.0 13.1 .2 23:00 B 1.6 23.0 24.7 .2 Average .6 9.2 9.9 .2 Max B 4.6 23.0 24.7 .4 Max Hour 08:00 23:00 23:00 09:00 Min B .0 1.6 1.8 .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 09-Nov-2026 15:46:00 16:11:00 68.9 70 -1.47% GPT-PS 09-Nov-2026 15:46:00 16:18:00 0.4 0.0 .47 GPTZ 09-Nov-2026 15:46:00 16:38:00 223.7 225 -.54% GPT-PREC 09-Nov-2026 15:46:00 17:08:00 156.8 155 1.18% NO2 GPT-PREC 09-Nov-2026 15:46:00 17:08:00 67.6 70 -3.41% NO2 Precision NO2_Diff PRECDIFF 09-Nov-2026 17:15:00 17:15:05 66.9 67.613 -.99% NOx NOx_Auto NO-PREC 09-Nov-2026 15:46:00 16:11:00 69 70 -1.38% SO2 SO2_Auto ZERO 09-Nov-2026 19:46:00 20:11:00 0.1 0.0 .12 SPAN 09-Nov-2026 19:46:00 20:36:00 86.4 90 -3.9% PREC 09-Nov-2026 19:46:00 21:01:00 38.1 40 -4.67% Date Printed: 11/10/2026 01:30 Daily Summary Report Site: Hattie Avenue (B) 11/9/2026 Interval: 001h PM2.5 PM10 STP PM Coarse Time ug/m3 ug/m3 ug/m3 00:00 5.9 10.3 4.6 01:00 5.8 9.6 4.0 02:00 6.2 10.8 4.8 03:00 5.5 10.5 5.3 04:00 4.4 11.2 7.0 05:00 3.6 8.4 5.0 06:00 3.8 8.4 4.8 07:00 3.9 10.7 7.0 08:00 3.9 9.3 5.4 09:00 3.6 10.0 6.3 10:00 3.4 7.9 4.4 11:00 3.5 10.8 7.0 12:00 3.3 8.9 5.4 13:00 3.1 9.7 6.4 14:00 2.6 9.4 6.5 15:00 2.2 7.3 4.9 16:00 2.7 8.0 5.2 17:00 3.1 12.5 9.3 18:00 4.4 11.9 7.5 19:00 4.4 13.4 9.0 20:00 7.9 19.8 12.1 21:00 4.7 10.4 5.8 22:00 5.1 10.9 5.9 23:00 7.0 14.2 7.6 Average 4.3 10.5 6.3 Max 7.9 19.8 12.1 Max Hour 20:00 20:00 20:00 Min 2.2 7.3 4.0 Count 24 24 24 Total Calibration Report Parameter Sequence Phase Start Time End Time Value Expected Value % Error 0.0 -4.67% Date Printed: 11/10/2026 01:30 Daily Summary Report Site: Union Cross 11/9/2026 Interval: 001h Ozone Barometric Pres. Temperature (°F) Dew Point (°F) Time ppm mmHg DegF DegF 00:00 B 736.1 48.4 40.3 01:00 B 735.9 47.8 38.7 02:00 B 736.0 45.9 38.6 03:00 B 736.0 45.1 37.7 04:00 B 736.4 46.9 32.9 05:00 B 736.8 46.9 31.8 06:00 B 737.1 47.3 31.7 07:00 B 737.5 47.9 33.2 08:00 B 737.8 52.1 37.8 09:00 B 738.0 57.1 40.5 10:00 B 737.9 61.1 40.5 11:00 B 737.8 63.7 41.6 12:00 B 737.4 66.5 42.7 13:00 B 736.9 68.4 43.1 14:00 B 736.5 70.0 44.0 15:00 B 736.5 70.6 43.4 16:00 B 736.9 69.2 42.2 17:00 B 737.4 65.9 40.1 18:00 B 737.8 62.6 38.4 19:00 B 738.2 59.7 38.0 20:00 B 738.3 57.6 37.3 21:00 B 738.4 55.7 36.9 22:00 B 738.6 54.0 36.4 23:00 B 738.6 49.7 35.8 Average 737.2 56.6 38.4 Max B 738.6 70.6 44.0 Max Hour 23:00 15:00 14:00 Min B 735.9 45.1 31.7 Count 0 24 24 24 Total Calibration Report Parameter Sequence Phase Start Time End Time Value Expected Value % Error 0.0 -4.67% 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