Date Printed: 11/27/2025 01:30 Daily Summary Report Site: Clemmons Middle 11/26/2025 Interval: 001h Ozone PM2.5 PM10 LC PM Coarse Time ppm ug/m3 ug/m3 ug/m3 00:00 B 15.2 22.8 7.5 01:00 B 18.5 25.4 6.9 02:00 B 20.3 29.1 8.7 03:00 B 21.6 30.5 8.8 04:00 B 20.8 29.9 9.0 05:00 B 22.8 37.7 14.9 06:00 B 24.5 40.1 15.5 07:00 B 21.2 33.0 11.8 08:00 B 16.4 25.1 8.6 09:00 B 11.7 18.6 6.8 10:00 B 8.1 12.8 4.6 11:00 B 8.2 12.8 4.6 12:00 B 8.3 13.1 4.8 13:00 B 6.3 11.1 4.8 14:00 B 5.4 9.8 4.3 15:00 B 5.5 9.4 3.8 16:00 B 5.9 10.2 4.3 17:00 B 5.5 10.6 5.1 18:00 B 3.2 6.6 3.4 19:00 B 2.7 5.6 2.8 20:00 B 2.7 6.1 3.3 21:00 B 2.9 6.7 3.8 22:00 B 2.2 5.8 3.6 23:00 B 1.8 6.3 4.4 Average 10.9 17.4 6.5 Max B 24.5 40.1 15.5 Max Hour 06:00 06:00 06:00 Min B 1.8 5.6 2.8 Count 0 24 24 24 Total Calibration Report Parameter Sequence Phase Start Time End Time Value Expected Value % Error 0.0 % Error Date Printed: 11/27/2025 01:30 Daily Summary Report Site: Hattie Avenue (A) 11/26/2025 Interval: 001h Ozone NO NO2 NOx SO2 Time ppm ppb ppb ppb ppb 00:00 B .8 11.9 12.8 .0 01:00 B .4 7.5 8.0 .0 02:00 B .4 8.0 8.4 .0 03:00 B .4 7.7 8.2 .0 04:00 B .5 7.1 7.7 .0 05:00 B .5 7.0 7.5 .0 06:00 B .8 7.3 8.1 .0 07:00 B B B B .0 08:00 B B B B .0 09:00 B B B B .0 10:00 B B B B .0 11:00 B B B B .0 12:00 B .8 2.5 3.3 .0 13:00 B .4 2.1 2.5 .0 14:00 B .4 2.4 2.8 .0 15:00 B .3 C 2.7 C 3.1 C .0 16:00 B C C C .0 17:00 B .3 C 5.1 C 5.5 C .0 18:00 B .0 2.0 2.1 .0 19:00 B .0 2.2 2.3 .0 C 20:00 B .0 2.0 2.1 C 21:00 B .0 1.9 2.0 .0 C 22:00 B .0 1.4 1.5 .0 23:00 B .1 2.1 2.2 .0 Average .3 4.6 5.0 .0 Max B .8 11.9 12.8 .0 Max Hour 12:00 00:00 00:00 23:00 Min B .0 1.4 1.5 .0 Count 0 18 18 18 23 Total Calibration Report Parameter Sequence Phase Start Time End Time Value Expected Value % Error NO NOx_Auto NO-PREC 26-Nov-2025 15:46:00 16:11:00 68.5 70 -2.04% GPT-PS 26-Nov-2025 15:46:00 16:18:00 0.4 0.0 .48 GPTZ 26-Nov-2025 15:46:00 16:38:00 221.2 225 -1.67% GPT-PREC 26-Nov-2025 15:46:00 17:08:00 154.2 155 -.48% NO2 GPT-PREC 26-Nov-2025 15:46:00 17:08:00 68.6 70 -1.91% NO2 Precision NO2_Diff PRECDIFF 26-Nov-2025 17:15:00 17:15:05 66.9 68.661 -2.44% NOx NOx_Auto NO-PREC 26-Nov-2025 15:46:00 16:11:00 68.6 70 -1.97% Ozone O3_Auto ZERO 26-Nov-2025 22:50:00 23:20:00 0 0.0 0.00 PREC 26-Nov-2025 22:50:00 23:50:00 0 0.07 -100% SO2 SO2_Auto ZERO 26-Nov-2025 19:46:00 20:11:00 -0.1 0.0 -.12 SPAN 26-Nov-2025 19:46:00 20:36:00 88 90 -2.15% PREC 26-Nov-2025 19:46:00 21:01:00 39.2 40 -1.79% Date Printed: 11/27/2025 01:30 Daily Summary Report Site: Hattie Avenue (B) 11/26/2025 Interval: 001h PM2.5 PM10 STP PM Coarse Time ug/m3 ug/m3 ug/m3 00:00 20.2 28.8 8.8 01:00 21.6 28.9 7.5 02:00 22.0 29.3 7.5 03:00 21.7 29.1 7.5 04:00 21.0 28.8 7.8 05:00 22.7 35.1 12.5 06:00 22.9 34.2 11.4 07:00 15.1 21.5 6.3 08:00 14.2 21.7 7.5 09:00 11.6 17.5 5.8 10:00 8.6 13.5 4.8 11:00 8.2 13.2 4.7 12:00 8.6 13.6 4.7 13:00 6.3 11.3 4.7 14:00 5.2 10.3 4.7 15:00 4.6 9.3 4.4 16:00 5.7 10.7 4.7 17:00 5.6 10.2 4.4 18:00 2.9 6.2 3.2 19:00 2.7 7.4 4.6 20:00 3.0 6.5 3.5 21:00 2.7 6.6 3.9 22:00 2.2 9.2 7.0 23:00 2.5 7.8 5.4 Average 10.9 17.1 6.1 Max 22.9 35.1 12.5 Max Hour 06:00 05:00 05:00 Min 2.2 6.2 3.2 Count 24 24 24 Total Calibration Report Parameter Sequence Phase Start Time End Time Value Expected Value % Error 0.0 -1.79% Date Printed: 11/27/2025 01:30 Daily Summary Report Site: Union Cross 11/26/2025 Interval: 001h Ozone Barometric Pres. Temperature (°F) Dew Point (°F) Time ppm mmHg DegF DegF 00:00 B 735.3 53.7 53.3 01:00 B 735.2 53.6 53.5 02:00 B 734.8 53.5 53.5 03:00 B 734.3 54.9 54.9 04:00 B 734.1 57.0 57.0 05:00 B 734.1 58.6 58.7 06:00 B 734.4 57.2 57.2 07:00 B 734.5 56.8 56.8 08:00 B 734.5 57.7 57.7 09:00 B 734.5 58.5 57.2 10:00 B 734.5 59.8 55.9 11:00 B 734.0 62.4 54.7 12:00 B 733.3 64.9 54.3 13:00 B 732.8 67.6 51.5 14:00 B 732.5 68.5 51.4 15:00 B 732.5 69.2 50.9 16:00 B 732.7 67.3 50.8 17:00 B 733.0 64.7 49.9 18:00 B 733.8 63.5 41.7 19:00 B 734.2 60.9 36.5 20:00 B 734.8 58.1 35.5 21:00 B 735.3 55.3 32.1 22:00 B 735.9 53.2 27.6 23:00 B 736.2 50.8 26.2 Average 734.2 59.4 49.1 Max B 736.2 69.2 58.7 Max Hour 23:00 15:00 05:00 Min B 732.5 50.8 26.2 Count 0 24 24 24 Total Calibration Report Parameter Sequence Phase Start Time End Time Value Expected Value % Error Ozone O3_Auto ZERO 26-Nov-2025 22:50:00 23:20:00 0 0.0 0.00 PREC 26-Nov-2025 22:50:00 23:50:00 0 0.0 0.00 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