Date Printed: 11/13/2025 01:30 Daily Summary Report Site: Clemmons Middle 11/12/2025 Interval: 001h Ozone PM2.5 PM10 LC PM Coarse Time ppm ug/m3 ug/m3 ug/m3 00:00 B 5.0 10.1 5.1 01:00 B 4.3 9.3 4.9 02:00 B 4.5 9.0 4.5 03:00 B 4.7 9.8 5.1 04:00 B 5.0 11.0 6.0 05:00 B 5.4 10.9 5.4 06:00 B 5.8 10.5 4.7 07:00 B 6.3 14.2 7.9 08:00 B 6.9 12.7 5.8 09:00 B 6.9 15.5 8.6 10:00 B 6.0 12.6 6.6 11:00 B 5.5 13.2 7.7 12:00 B 5.3 14.4 9.1 13:00 B 5.2 15.9 10.7 14:00 B 4.9 14.9 9.9 15:00 B 5.2 13.6 8.3 16:00 B 5.0 16.5 11.5 17:00 B 3.7 11.7 7.9 18:00 B 3.4 9.0 5.5 19:00 B 4.0 10.4 6.3 20:00 B 4.1 10.9 6.7 21:00 B 4.3 10.8 6.5 22:00 B 4.2 10.1 5.8 23:00 B 4.6 10.5 5.9 Average 5.0 11.9 6.9 Max B 6.9 16.5 11.5 Max Hour 09:00 16:00 16:00 Min B 3.4 9.0 4.5 Count 0 24 24 24 Total Calibration Report Parameter Sequence Phase Start Time End Time Value Expected Value % Error 0.0 % Error Date Printed: 11/13/2025 01:30 Daily Summary Report Site: Hattie Avenue (A) 11/12/2025 Interval: 001h Ozone NO NO2 NOx SO2 Time ppm ppb ppb ppb ppb 00:00 B .1 3.4 3.5 .0 01:00 B .1 4.0 4.1 .0 02:00 B .1 5.2 5.4 .0 03:00 B .2 5.3 5.5 .0 04:00 B .2 6.1 6.3 .1 05:00 B .2 6.7 6.9 .2 06:00 B .5 9.1 9.7 .5 07:00 B B B B .2 08:00 B B B B .5 09:00 B B B B .6 10:00 B B B B .2 11:00 B 1.4 B 4.5 B 5.9 B .1 12:00 B .7 3.5 4.3 .1 13:00 B .6 3.5 4.2 .1 14:00 B .4 3.3 3.7 .1 15:00 B .5 C 4.3 C 4.8 C .1 16:00 B C C C .1 17:00 B .1 C 11.4 C 11.6 C .1 18:00 B .1 8.8 8.9 .0 19:00 B .1 4.5 4.6 .0 C 20:00 B .1 4.2 4.3 C 21:00 B .2 5.4 5.6 .1 C 22:00 B .1 5.0 5.1 .0 23:00 B .1 6.1 6.3 .0 Average .3 5.4 5.8 .1 Max B 1.4 11.4 11.6 .6 Max Hour 11:00 17:00 17:00 09:00 Min B .1 3.3 3.5 .0 Count 0 19 19 19 23 Total Calibration Report Parameter Sequence Phase Start Time End Time Value Expected Value % Error NO NOx_Auto NO-PREC 12-Nov-2025 15:46:00 16:11:00 68.8 70 -1.71% GPT-PS 12-Nov-2025 15:46:00 16:18:00 0.4 0.0 .46 GPTZ 12-Nov-2025 15:46:00 16:38:00 222 225 -1.29% GPT-PREC 12-Nov-2025 15:46:00 17:08:00 154.4 155 -.36% NO2 GPT-PREC 12-Nov-2025 15:46:00 17:08:00 69.1 70 -1.26% NO2 Precision NO2_Diff PRECDIFF 12-Nov-2025 17:15:00 17:15:05 67.6 69.117 -2.11% NOx NOx_Auto NO-PREC 12-Nov-2025 15:46:00 16:11:00 69.1 70 -1.26% Ozone O3_Auto ZERO 12-Nov-2025 22:50:00 23:20:00 0 0.0 0.00 PREC 12-Nov-2025 22:50:00 23:50:00 0 0.07 -100% SO2 SO2_Auto ZERO 12-Nov-2025 19:46:00 20:11:00 -0.1 0.0 -.11 SPAN 12-Nov-2025 19:46:00 20:36:00 88.7 90 -1.41% PREC 12-Nov-2025 19:46:00 21:01:00 39.4 40 -1.3% Date Printed: 11/13/2025 01:30 Daily Summary Report Site: Hattie Avenue (B) 11/12/2025 Interval: 001h PM2.5 PM10 STP PM Coarse Time ug/m3 ug/m3 ug/m3 00:00 4.5 8.6 4.4 01:00 4.4 9.2 5.2 02:00 4.7 9.2 5.0 03:00 4.8 9.8 5.4 04:00 5.2 10.5 5.8 05:00 5.6 11.0 5.9 06:00 5.9 11.3 5.9 07:00 6.5 12.5 6.6 08:00 7.1 14.3 7.7 09:00 6.8 14.3 7.8 10:00 6.4 15.1 8.9 11:00 B B B 12:00 5.4 16.2 10.6 13:00 5.2 18.1 12.6 14:00 5.0 18.0 12.7 15:00 5.0 18.3 13.0 16:00 5.1 17.3 12.0 17:00 4.6 16.1 11.4 18:00 3.7 11.9 8.1 19:00 4.1 10.3 6.3 20:00 4.4 13.3 8.9 21:00 4.6 12.6 8.0 22:00 4.6 11.4 6.9 23:00 4.6 11.1 6.6 Average 5.1 13.0 8.0 Max 7.1 18.3 13.0 Max Hour 08:00 15:00 15:00 Min 3.7 8.6 4.4 Count 23 23 23 Total Calibration Report Parameter Sequence Phase Start Time End Time Value Expected Value % Error 0.0 -1.3% Date Printed: 11/13/2025 01:30 Daily Summary Report Site: Union Cross 11/12/2025 Interval: 001h Ozone Barometric Pres. Temperature (°F) Dew Point (°F) Time ppm mmHg DegF DegF 00:00 B 737.8 38.2 18.6 01:00 B 737.7 37.2 18.6 02:00 B 737.7 36.2 18.4 03:00 B 737.6 35.8 18.5 04:00 B 737.5 35.6 18.8 05:00 B 737.5 35.0 19.1 06:00 B 737.5 34.8 19.6 07:00 B 737.6 35.4 20.4 08:00 B 737.6 39.3 22.2 09:00 B 737.5 44.2 24.6 10:00 B 737.2 49.1 27.3 11:00 B 736.5 54.0 30.6 12:00 B 735.6 57.9 33.4 13:00 B 735.0 60.4 35.2 14:00 B 734.5 62.8 36.9 15:00 B 734.4 63.5 37.9 16:00 B 734.6 62.1 37.3 17:00 B 735.1 59.4 36.1 18:00 B 735.7 57.5 34.9 19:00 B 735.8 57.2 34.2 20:00 B 736.2 55.8 33.6 21:00 B 736.7 54.9 33.5 22:00 B 737.0 54.1 33.1 23:00 B 737.4 52.3 32.3 Average 736.5 48.8 28.1 Max B 737.8 63.5 37.9 Max Hour 00:00 15:00 15:00 Min B 734.4 34.8 18.4 Count 0 24 24 24 Total Calibration Report Parameter Sequence Phase Start Time End Time Value Expected Value % Error Ozone O3_Auto ZERO 12-Nov-2025 22:50:00 23:20:00 0 0.0 0.00 PREC 12-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