Date Printed: 1/17/2026 01:30 Daily Summary Report Site: Clemmons Middle 1/16/2026 Interval: 001h Ozone PM2.5 PM10 LC PM Coarse Time ppm ug/m3 ug/m3 ug/m3 00:00 B 4.5 7.6 3.0 01:00 B 3.2 5.8 2.6 02:00 B 3.4 6.2 2.7 03:00 B 3.6 6.6 3.0 04:00 B 3.7 7.0 3.2 05:00 B 4.0 7.2 3.2 06:00 B 4.2 7.9 3.6 07:00 B 4.4 10.0 5.5 08:00 B 7.4 24.6 17.2 09:00 B 4.5 B 11.4 B 6.8 B 10:00 B B B B 11:00 B 3.2 6.4 3.1 12:00 B 3.2 6.7 3.4 13:00 B 3.3 6.9 3.6 14:00 B 3.5 10.5 6.9 15:00 B 3.5 9.7 6.1 16:00 B 4.8 13.2 8.4 17:00 B 4.5 13.3 8.8 18:00 B 4.5 11.6 7.1 19:00 B 8.2 16.0 7.7 20:00 B 8.6 14.3 5.6 21:00 B 5.8 12.3 6.5 22:00 B 6.9 15.4 8.5 23:00 B 7.0 15.1 8.1 Average 4.7 10.6 5.8 Max B 8.6 24.6 17.2 Max Hour 20:00 08:00 08:00 Min B 3.2 5.8 2.6 Count 0 23 23 23 Total Calibration Report Parameter Sequence Phase Start Time End Time Value Expected Value % Error 0.0 % Error Date Printed: 1/17/2026 01:30 Daily Summary Report Site: Hattie Avenue (A) 1/16/2026 Interval: 001h Ozone NO NO2 NOx SO2 Time ppm ppb ppb ppb ppb 00:00 B .2 5.2 5.5 .0 01:00 B .3 6.3 6.7 .0 02:00 B .2 6.2 6.5 .0 03:00 B .4 8.2 8.6 .0 04:00 B .4 10.7 11.1 .0 05:00 B .8 12.6 13.5 .0 06:00 B 1.2 17.3 18.6 .0 07:00 B 7.3 23.6 30.9 .1 08:00 B 12.7 22.1 34.8 .3 09:00 B 7.3 13.1 20.5 .1 10:00 B 1.7 4.2 5.9 .0 D 11:00 B 1.1 3.0 4.1 D 12:00 B 1.7 4.0 5.8 D 13:00 B 1.5 4.0 5.5 .5 14:00 B 1.2 3.6 4.9 .2 15:00 B 1.2 C 4.7 C 6.0 C .2 16:00 B C C C .2 17:00 B .3 C 8.5 C 8.9 C .1 18:00 B .3 14.8 15.1 .1 19:00 B .4 19.5 20.0 .1 C 20:00 B .3 16.6 17.0 C 21:00 B .2 8.5 8.7 .9 C 22:00 B .1 6.4 6.6 .5 23:00 B .2 6.2 6.4 .5 Average 1.7 9.9 11.8 .1 Max B 12.7 23.6 34.8 .9 Max Hour 08:00 07:00 08:00 21:00 Min B .1 3.0 4.1 .0 Count 0 23 23 23 21 Total Calibration Report Parameter Sequence Phase Start Time End Time Value Expected Value % Error NO NOx_Auto NO-PREC 16-Jan-2026 15:46:00 16:11:00 67.2 70 -3.96% GPT-PS 16-Jan-2026 15:46:00 16:18:00 0.5 0.0 .58 GPTZ 16-Jan-2026 15:46:00 16:38:00 215.4 225 -4.24% GPT-PREC 16-Jan-2026 15:46:00 17:08:00 150.1 155 -3.13% NO2 GPT-PREC 16-Jan-2026 15:46:00 17:08:00 65.9 70 -5.76% NO2 Precision NO2_Diff PRECDIFF 16-Jan-2026 17:15:00 17:15:05 65.3 65.965 -.98% NOx NOx_Auto NO-PREC 16-Jan-2026 15:46:00 16:11:00 67.2 70 -3.87% SO2 SO2_Auto ZERO 16-Jan-2026 19:46:00 20:11:00 0 0.0 -.05 SPAN 16-Jan-2026 19:46:00 20:36:00 89.9 90 -.09% PREC 16-Jan-2026 19:46:00 21:01:00 40.1 40 .37% Date Printed: 1/17/2026 01:30 Daily Summary Report Site: Hattie Avenue (B) 1/16/2026 Interval: 001h PM2.5 PM10 STP PM Coarse Time ug/m3 ug/m3 ug/m3 00:00 2.8 4.4 1.9 01:00 3.1 5.5 2.7 02:00 3.6 5.9 2.7 03:00 3.8 6.2 2.9 04:00 3.9 7.6 4.3 05:00 4.0 6.6 3.1 06:00 4.2 6.8 3.2 07:00 5.0 8.5 4.2 08:00 5.4 10.4 5.7 09:00 4.4 9.4 5.6 10:00 3.4 6.3 3.1 11:00 3.2 6.0 3.0 12:00 3.2 6.6 3.6 13:00 3.2 7.2 4.2 14:00 3.4 8.1 4.9 15:00 3.7 9.1 5.6 16:00 4.3 10.2 6.2 17:00 4.3 10.2 6.2 18:00 5.0 12.0 7.5 19:00 5.3 10.9 6.1 20:00 6.5 15.4 9.5 21:00 8.1 17.6 10.3 22:00 6.8 15.4 9.3 23:00 6.3 14.2 8.6 Average 4.4 9.1 5.1 Max 8.1 17.6 10.3 Max Hour 21:00 21:00 21:00 Min 2.8 4.4 1.9 Count 24 24 24 Total Calibration Report Parameter Sequence Phase Start Time End Time Value Expected Value % Error 0.0 .37% Date Printed: 1/17/2026 01:30 Daily Summary Report Site: Union Cross 1/16/2026 Interval: 001h Ozone Barometric Pres. Temperature (°F) Dew Point (°F) Time ppm mmHg DegF DegF 00:00 01:00 02:00 03:00 04:00 05:00 06:00 07:00 08:00 09:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00 20:00 21:00 22:00 23:00 Average Max Max Hour Min Count 0 0 0 0 Total Calibration Report Parameter Sequence Phase Start Time End Time Value Expected Value % Error 0.0 .37% 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