Date Printed: 11/13/2026 01:30 Daily Summary Report Site: Clemmons Middle 11/12/2026 Interval: 001h O3 PM2.5 PM10 LC PM Coarse Time ppm ug/m3 ug/m3 ug/m3 00:00 B 16.9 26.2 9.2 01:00 B 19.3 29.2 9.8 02:00 B 21.1 30.5 9.3 03:00 B 19.0 27.8 8.7 04:00 B 19.4 28.4 9.0 05:00 B 19.2 27.5 8.2 06:00 B 19.1 26.4 7.2 07:00 B 18.7 26.5 7.7 08:00 B 15.9 24.5 8.6 09:00 B 11.6 18.2 6.5 10:00 B 8.9 14.5 5.5 11:00 B 6.7 13.2 6.4 12:00 B 4.3 12.0 7.7 13:00 B 3.7 9.3 5.5 14:00 B 2.7 6.3 3.6 15:00 B 1.9 5.8 3.8 16:00 B 1.8 6.0 4.1 17:00 B 2.5 6.2 3.7 18:00 B 2.4 4.9 2.4 19:00 B 2.7 4.8 2.0 20:00 B 3.2 6.2 3.0 21:00 B 3.6 7.0 3.4 22:00 B 3.5 7.0 3.4 23:00 B 3.2 6.0 2.8 Average 9.6 15.6 5.8 Max B 21.1 30.5 9.8 Max Hour 02:00 02:00 01:00 Min B 1.8 4.8 2.0 Count 0 24 24 24 Total Calibration Report Parameter Sequence Phase Start Time End Time Value Expected Value % Error 0.0 % Error Date Printed: 11/13/2026 01:30 Daily Summary Report Site: Hattie Avenue (A) 11/12/2026 Interval: 001h Ozone NO NO2 NOx SO2 Time ppm ppb ppb ppb ppb 00:00 B .1 7.5 7.6 .3 01:00 B .2 10.9 11.1 .3 02:00 B .2 6.8 7.0 .3 03:00 B .2 8.2 8.5 .2 04:00 B .2 7.6 7.9 .3 05:00 B .3 8.6 8.9 .2 06:00 B .2 11.2 11.5 .3 07:00 B 1.0 10.7 11.7 .3 08:00 B 3.7 12.3 16.0 .3 09:00 B 3.8 9.4 13.3 .5 10:00 B 3.2 7.6 10.8 .5 11:00 B .5 3.4 4.0 .3 12:00 B .4 3.2 3.6 .3 13:00 B .2 2.2 2.5 .3 14:00 B .3 2.4 2.7 .3 15:00 B .3 C 2.9 C 3.2 C .3 16:00 B C C C .3 17:00 B .1 C 3.1 C 3.3 C .3 18:00 B .0 3.5 3.6 .2 19:00 B .1 3.1 3.2 .2 C 20:00 B .0 3.6 3.6 C 21:00 B .1 4.7 4.8 .3 C 22:00 B .1 4.0 4.2 .2 23:00 B .3 6.2 6.5 .2 Average .6 6.2 6.9 .2 Max B 3.8 12.3 16.0 .5 Max Hour 09:00 08:00 08:00 10:00 Min B .0 2.2 2.5 .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 12-Nov-2026 15:46:00 16:11:00 69.4 70 -.78% GPT-PS 12-Nov-2026 15:46:00 16:18:00 0.4 0.0 .44 GPTZ 12-Nov-2026 15:46:00 16:38:00 225.4 225 .18% GPT-PREC 12-Nov-2026 15:46:00 17:08:00 156.8 155 1.21% NO2 GPT-PREC 12-Nov-2026 15:46:00 17:08:00 68.6 70 -1.86% NO2 Precision NO2_Diff PRECDIFF 12-Nov-2026 17:15:00 17:15:05 68.5 68.696 -.24% NOx NOx_Auto NO-PREC 12-Nov-2026 15:46:00 16:11:00 69.5 70 -.67% SO2 SO2_Auto ZERO 12-Nov-2026 19:46:00 20:11:00 0.2 0.0 .24 SPAN 12-Nov-2026 19:46:00 20:36:00 86.7 90 -3.58% PREC 12-Nov-2026 19:46:00 21:01:00 38.4 40 -3.93% Date Printed: 11/13/2026 01:30 Daily Summary Report Site: Hattie Avenue (B) 11/12/2026 Interval: 001h PM2.5 PM10 STP PM Coarse Time ug/m3 ug/m3 ug/m3 00:00 19.7 30.7 10.9 01:00 19.8 28.6 8.8 02:00 21.4 29.8 8.5 03:00 20.8 27.9 7.2 04:00 20.7 28.5 8.1 05:00 19.7 28.1 8.5 06:00 19.2 26.3 7.2 07:00 19.1 27.8 8.9 08:00 17.1 25.7 8.5 09:00 12.9 21.8 8.5 10:00 9.5 20.5 10.4 11:00 7.4 14.0 6.1 12:00 6.4 13.2 6.4 13:00 3.9 11.2 7.0 14:00 2.4 12.2 9.5 15:00 1.8 9.2 7.2 16:00 2.0 9.0 6.9 17:00 2.5 9.3 6.8 18:00 2.5 4.6 2.1 19:00 2.8 6.4 3.5 20:00 3.2 6.5 3.3 21:00 3.4 6.6 3.2 22:00 3.4 6.7 3.3 23:00 3.4 6.9 3.6 Average 10.2 17.1 6.8 Max 21.4 30.7 10.9 Max Hour 02:00 00:00 00:00 Min 1.8 4.6 2.1 Count 24 24 24 Total Calibration Report Parameter Sequence Phase Start Time End Time Value Expected Value % Error 0.0 -3.93% Date Printed: 11/13/2026 01:30 Daily Summary Report Site: Union Cross 11/12/2026 Interval: 001h Ozone Barometric Pres. Temperature (°F) Dew Point (°F) Time ppm mmHg DegF DegF 00:00 B 728.3 55.9 45.1 01:00 B 727.7 54.2 44.8 02:00 B 727.3 53.6 44.7 03:00 B 727.0 52.0 44.3 04:00 B 726.8 51.1 44.1 05:00 B 726.8 50.2 44.0 06:00 B 726.2 49.5 44.9 07:00 B 726.1 49.2 44.8 08:00 B 726.2 52.6 44.6 09:00 B 726.0 57.0 46.0 10:00 B 725.6 62.3 47.8 11:00 B 725.2 65.2 48.3 12:00 B 724.9 65.3 46.5 13:00 B 724.9 64.2 44.1 14:00 B 725.2 62.7 42.9 15:00 B 725.7 60.5 40.6 16:00 B 726.3 58.1 38.9 17:00 B 726.7 54.9 37.3 18:00 B 727.3 52.5 36.6 19:00 B 727.6 51.1 35.7 20:00 B 727.7 49.8 35.1 21:00 B 727.9 47.7 34.7 22:00 B 727.9 46.2 34.4 23:00 B 727.7 44.9 33.9 Average 726.6 54.6 41.8 Max B 728.3 65.3 48.3 Max Hour 00:00 12:00 11:00 Min B 724.9 44.9 33.9 Count 0 24 24 24 Total Calibration Report Parameter Sequence Phase Start Time End Time Value Expected Value % Error 0.0 -3.93% 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