Date Printed: 5/4/2025 01:30 Daily Summary Report Site: Clemmons Middle 5/3/2025 Interval: 001h Ozone PM2.5 PM10 LC PM Coarse Time ppm ug/m3 ug/m3 ug/m3 00:00 .031 7.0 14.1 7.1 01:00 .032 6.5 14.1 7.6 02:00 .032 6.3 16.4 10.0 03:00 .028 5.8 12.8 7.0 04:00 .023 6.4 13.0 6.6 05:00 .014 6.6 14.3 7.6 06:00 .015 6.9 13.8 6.8 07:00 .020 7.2 16.4 9.1 08:00 .025 8.5 17.8 9.3 09:00 .027 9.7 19.8 10.1 10:00 .032 10.6 21.0 10.3 11:00 .036 11.0 20.1 9.0 12:00 .037 12.1 22.0 9.8 13:00 .037 12.1 21.7 9.5 14:00 .038 10.5 18.7 8.2 15:00 .040 8.4 22.7 14.2 16:00 .038 7.8 24.9 17.1 17:00 .039 6.0 25.5 19.5 18:00 .036 5.7 18.7 13.0 19:00 .030 6.2 17.2 11.0 20:00 .027 6.2 15.4 9.1 21:00 .028 6.9 15.2 8.2 22:00 .030 C 6.0 13.2 7.2 23:00 C 5.6 11.1 5.5 Average .030 7.7 17.4 9.7 Max .040 12.1 25.5 19.5 Max Hour 15:00 13:00 17:00 17:00 Min .014 5.6 11.1 5.5 Count 23 24 24 24 Total Calibration Report Parameter Sequence Phase Start Time End Time Value Expected Value % Error Ozone O3_Auto ZERO 03-May-2025 22:50:00 23:20:00 -0.001 0.0 0.00 PREC 03-May-2025 22:50:00 23:50:00 0.067 0.07 -3.36% Date Printed: 5/4/2025 01:30 Daily Summary Report Site: Hattie Avenue (A) 5/3/2025 Interval: 001h Ozone NO NO2 NOx SO2 Time ppm ppb ppb ppb ppb 00:00 .031 .0 7.7 7.7 .8 01:00 .034 .0 4.0 4.0 .5 02:00 .035 .0 3.4 3.4 .4 03:00 .032 .0 3.5 3.5 .1 04:00 .027 .0 4.5 4.5 .1 05:00 .021 .1 5.7 5.8 .1 06:00 .020 .2 4.0 4.3 .1 07:00 .022 .3 3.2 3.6 .2 08:00 .027 .3 2.5 2.8 .1 09:00 .029 .3 2.8 3.1 .1 10:00 .033 .3 2.5 2.8 .1 11:00 .038 .2 2.4 2.7 .1 12:00 .038 .5 2.7 3.3 .2 13:00 .039 .3 2.4 2.7 .3 14:00 .041 .0 2.2 2.2 .2 15:00 .039 .4 C 4.6 C 5.0 C .1 16:00 .040 C C C .1 17:00 .038 .0 C 3.1 C 3.2 C .1 18:00 .037 .0 3.4 3.3 .1 19:00 .031 .0 4.6 4.6 .1 20:00 .026 .0 5.6 5.6 C 21:00 .031 .0 3.4 3.3 .2 C 22:00 .032 C .0 2.2 2.1 .1 23:00 C .0 1.6 1.5 .1 Average .032 .1 3.5 3.6 .1 Max .041 .5 7.7 7.7 .8 Max Hour 14:00 12:00 00:00 00:00 00:00 Min .020 .0 1.6 1.5 .1 Count 23 23 23 23 23 Total Calibration Report Parameter Sequence Phase Start Time End Time Value Expected Value % Error NO NOx_Auto NO-PREC 03-May-2025 15:46:00 16:11:00 66.6 70 -4.74% GPT-PS 03-May-2025 15:46:00 16:18:00 0.3 0.0 .39 GPTZ 03-May-2025 15:46:00 16:38:00 216.1 225 -3.93% GPT-PREC 03-May-2025 15:46:00 17:08:00 149.4 155 -3.55% NO2 GPT-PREC 03-May-2025 15:46:00 17:08:00 66.6 70 -4.79% NO2 Precision NO2_Diff PRECDIFF 03-May-2025 17:15:00 17:15:05 66.6 66.645 .03% NOx NOx_Auto NO-PREC 03-May-2025 15:46:00 16:11:00 66.8 70 -4.44% Ozone O3_Auto ZERO 03-May-2025 22:50:00 23:20:00 -0.002 0.0 0.00 PREC 03-May-2025 22:50:00 23:50:00 0.066 0.069 -3.29% SO2 SO2_Auto ZERO 03-May-2025 20:00:00 20:20:00 0.1 0.0 .12 SPAN 03-May-2025 20:00:00 20:40:00 87.9 89.6 -1.88% PREC 03-May-2025 20:00:00 21:00:00 38.9 40 -2.59% Date Printed: 5/4/2025 01:30 Daily Summary Report Site: Hattie Avenue (B) 5/3/2025 Interval: 001h PM2.5 PM10 STP PM Coarse Time ug/m3 ug/m3 ug/m3 00:00 7.3 17.4 9.7 01:00 6.4 14.4 7.7 02:00 6.1 13.0 6.6 03:00 5.9 14.0 7.8 04:00 7.1 15.2 8.0 05:00 7.8 16.2 8.2 06:00 7.8 16.6 8.6 07:00 8.3 18.1 9.5 08:00 9.6 20.2 10.2 09:00 10.9 21.7 10.3 10:00 11.9 23.5 11.0 11:00 12.5 22.9 9.7 12:00 13.6 25.5 11.3 13:00 13.3 23.6 9.5 14:00 9.9 26.2 15.7 15:00 6.6 18.9 11.9 16:00 8.0 25.3 16.8 17:00 6.7 27.1 20.1 18:00 5.8 18.1 12.1 19:00 6.8 17.7 10.7 20:00 7.5 16.5 8.8 21:00 6.4 15.6 8.9 22:00 6.0 14.4 8.2 23:00 6.2 13.0 6.6 Average 8.2 18.9 10.3 Max 13.6 27.1 20.1 Max Hour 12:00 17:00 17:00 Min 5.8 13.0 6.6 Count 24 24 24 Total Calibration Report Parameter Sequence Phase Start Time End Time Value Expected Value % Error 0.0 -2.59% Date Printed: 5/4/2025 01:30 Daily Summary Report Site: Union Cross 5/3/2025 Interval: 001h Ozone Temperature Dew Point Wind Speed Wind Direction Relative Humidity Barometric Pres. Time ppm DegC DegC MPH DEG PERCENT mmHg 00:00 .034 18.2 14.3 3.6 205 80.1 735.1 01:00 .033 17.7 14.6 3.5 226 84.3 734.8 02:00 .033 18.1 14.6 4.0 217 82.2 734.9 03:00 .029 17.2 14.8 3.2 197 87.8 734.3 04:00 .026 16.9 15.1 3.6 197 90.9 734.0 05:00 .024 16.8 15.4 4.4 207 92.7 734.2 06:00 .022 16.8 15.7 4.2 241 94.3 734.9 07:00 .025 17.8 15.7 5.5 235 89.3 735.3 08:00 .029 19.0 15.5 5.8 234 81.8 735.3 09:00 .031 19.6 15.5 5.3 228 79.1 735.3 10:00 .034 20.4 15.7 4.3 230 76.3 735.4 11:00 .035 20.7 16.0 5.8 212 76.2 735.0 12:00 .033 21.0 16.6 5.4 201 78.0 734.4 13:00 .036 22.6 17.4 5.4 210 74.1 733.4 14:00 .037 18.7 17.4 4.1 236 92.8 732.6 15:00 .042 17.3 16.4 4.8 173 95.0 732.4 16:00 .039 16.9 16.3 2.7 195 96.4 732.3 17:00 .040 16.6 15.7 4.9 221 95.1 732.5 18:00 .037 16.2 15.6 2.7 209 96.6 732.3 19:00 .030 16.2 15.7 1.3 168 97.5 731.9 20:00 .029 16.2 15.9 2.4 172 98.5 732.1 21:00 .029 16.2 16.2 3.4 158 99.5 731.8 22:00 .031 C 16.5 16.6 3.5 167 99.8 731.6 23:00 C 16.7 16.7 4.0 183 99.4 731.3 Average .032 17.9 15.8 3.7 209 89.0 733.6 Max .042 22.6 17.4 5.8 241 99.8 735.4 Max Hour 15:00 13:00 13:00 11:00 06:00 22:00 10:00 Min .022 16.2 14.3 1.3 158 74.1 731.3 Count 23 24 24 24 24 24 24 Total Calibration Report Parameter Sequence Phase Start Time End Time Value Expected Value % Error Ozone O3_Auto ZERO 03-May-2025 22:50:00 23:20:00 -0.0011 0.0 0.00 PREC 03-May-2025 22:50:00 23:50:00 0.0695 0.07 -.97% 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