Date Printed: 11/17/2025 01:30 Daily Summary Report Site: Clemmons Middle 11/16/2025 Interval: 001h Ozone PM2.5 PM10 LC PM Coarse Time ppm ug/m3 ug/m3 ug/m3 00:00 B 12.6 20.7 8.1 01:00 B 12.1 19.3 7.1 02:00 B 12.0 18.5 6.5 03:00 B 12.0 18.3 6.3 04:00 B 11.6 17.7 6.1 05:00 B 11.7 18.0 6.3 06:00 B 11.5 17.9 6.3 07:00 B 11.6 17.0 5.4 08:00 B 11.6 19.1 7.4 09:00 B 12.1 19.7 7.5 10:00 B 6.6 13.9 7.3 11:00 B 3.7 10.4 6.7 12:00 B 3.2 8.6 5.4 13:00 B 3.3 9.7 6.4 14:00 B 3.0 8.0 4.9 15:00 B 2.5 7.3 4.7 16:00 B 2.5 6.5 4.0 17:00 B 2.4 6.6 4.1 18:00 B 2.0 5.6 3.5 19:00 B 1.9 5.3 3.4 20:00 B 2.2 5.1 2.9 21:00 B 2.4 4.9 2.5 22:00 B 1.9 5.3 3.3 23:00 B 1.8 4.5 2.6 Average 6.5 11.9 5.3 Max B 12.6 20.7 8.1 Max Hour 00:00 00:00 00:00 Min B 1.8 4.5 2.5 Count 0 24 24 24 Total Calibration Report Parameter Sequence Phase Start Time End Time Value Expected Value % Error 0.0 % Error Date Printed: 11/17/2025 01:30 Daily Summary Report Site: Hattie Avenue (A) 11/16/2025 Interval: 001h Ozone NO NO2 NOx SO2 Time ppm ppb ppb ppb ppb 00:00 B .1 2.7 2.8 .1 01:00 B .1 2.2 2.3 .1 02:00 B .1 2.5 2.7 .1 03:00 B .1 2.9 3.1 .1 04:00 B .1 2.2 2.4 .1 05:00 B .1 2.7 2.8 .1 06:00 B .2 3.2 3.4 .1 07:00 B .3 3.6 3.9 .0 08:00 B .3 3.1 3.5 .0 09:00 B .5 2.6 3.1 .0 10:00 B .2 1.6 1.9 .0 11:00 B .2 1.5 1.7 .0 12:00 B .2 1.5 1.8 .0 13:00 B .2 1.6 1.9 .0 14:00 B .2 1.6 1.8 .0 15:00 B .2 C 1.9 C 2.2 C .0 16:00 B C C C .0 17:00 B .1 C 2.4 C 2.6 C .0 18:00 B .1 2.9 3.0 .0 19:00 B .0 2.0 2.1 .0 C 20:00 B .0 2.1 2.2 C 21:00 B .0 3.0 3.1 .0 C 22:00 B .0 2.2 2.2 .0 23:00 B .0 2.7 2.8 .0 Average .1 2.3 2.5 .0 Max B .5 3.6 3.9 .1 Max Hour 09:00 07:00 07:00 06:00 Min B .0 1.5 1.7 .0 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 16-Nov-2025 15:46:00 16:11:00 68.6 70 -1.98% GPT-PS 16-Nov-2025 15:46:00 16:18:00 0.6 0.0 .63 GPTZ 16-Nov-2025 15:46:00 16:38:00 221.8 225 -1.4% GPT-PREC 16-Nov-2025 15:46:00 17:08:00 154 155 -.6% NO2 GPT-PREC 16-Nov-2025 15:46:00 17:08:00 69.4 70 -.72% NO2 Precision NO2_Diff PRECDIFF 16-Nov-2025 17:15:00 17:15:05 67.7 69.496 -2.47% NOx NOx_Auto NO-PREC 16-Nov-2025 15:46:00 16:11:00 68.6 70 -1.95% Ozone O3_Auto ZERO 16-Nov-2025 22:50:00 23:20:00 0 0.0 0.00 PREC 16-Nov-2025 22:50:00 23:50:00 0 0.07 -100% SO2 SO2_Auto ZERO 16-Nov-2025 19:46:00 20:11:00 0 0.0 .01 SPAN 16-Nov-2025 19:46:00 20:36:00 88.9 90 -1.19% PREC 16-Nov-2025 19:46:00 21:01:00 39.6 40 -.89% Date Printed: 11/17/2025 01:30 Daily Summary Report Site: Hattie Avenue (B) 11/16/2025 Interval: 001h PM2.5 PM10 STP PM Coarse Time ug/m3 ug/m3 ug/m3 00:00 12.8 22.1 8.9 01:00 12.2 20.9 8.3 02:00 12.0 20.0 7.7 03:00 12.2 19.3 6.8 04:00 11.8 18.5 6.4 05:00 11.9 18.7 6.5 06:00 11.6 18.7 6.8 07:00 11.0 17.8 6.4 08:00 11.4 17.5 5.8 09:00 11.2 20.3 8.4 10:00 5.7 15.9 9.5 11:00 4.2 21.8 16.7 12:00 3.3 15.8 11.9 13:00 3.4 12.2 8.3 14:00 3.0 11.1 7.6 15:00 2.9 8.7 5.5 16:00 2.8 7.6 4.6 17:00 2.5 7.9 5.2 18:00 2.2 6.3 4.1 19:00 2.5 5.1 2.6 20:00 2.1 4.8 2.6 21:00 2.2 4.9 2.7 22:00 2.6 6.2 3.6 23:00 2.5 6.1 3.6 Average 6.6 13.6 6.6 Max 12.8 22.1 16.7 Max Hour 00:00 00:00 11:00 Min 2.1 4.8 2.6 Count 24 24 24 Total Calibration Report Parameter Sequence Phase Start Time End Time Value Expected Value % Error 0.0 -.89% Date Printed: 11/17/2025 01:30 Daily Summary Report Site: Union Cross 11/16/2025 Interval: 001h Ozone Barometric Pres. Temperature (°F) Dew Point (°F) Time ppm mmHg DegF DegF 00:00 B 726.6 61.3 48.2 01:00 B 725.9 60.9 48.1 02:00 B 725.6 60.8 48.3 03:00 B 725.2 60.5 48.5 04:00 B 724.9 60.0 48.7 05:00 B 724.9 60.0 49.1 06:00 B 725.4 59.3 49.3 07:00 B 725.8 58.7 49.2 08:00 B 726.0 60.6 50.1 09:00 B 726.2 65.1 51.9 10:00 B 726.3 70.3 49.3 11:00 B 726.4 70.5 47.1 12:00 B 726.4 69.5 43.8 13:00 B 726.5 69.2 42.5 14:00 B 726.7 68.2 41.0 15:00 B 727.3 67.2 39.5 16:00 B 727.8 65.0 37.8 17:00 B 728.7 62.4 35.3 18:00 B 729.5 60.1 31.2 19:00 B 730.2 58.6 29.4 20:00 B 730.7 57.1 27.4 21:00 B 731.3 55.1 26.4 22:00 B 731.5 53.4 26.0 23:00 B 731.9 52.1 25.6 Average 727.4 61.9 41.4 Max B 731.9 70.5 51.9 Max Hour 23:00 11:00 09:00 Min B 724.9 52.1 25.6 Count 0 24 24 24 Total Calibration Report Parameter Sequence Phase Start Time End Time Value Expected Value % Error Ozone O3_Auto ZERO 16-Nov-2025 22:50:00 23:20:00 0 0.0 0.00 PREC 16-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