Today’s Report will appear at 8:20 am.
Yesterday’s Report: calibrations2026-01-31.CSV
| Site | Parameter | Sequence | Phase | Start Time | End Time | Value | Expected Value | Error | Drift Warning Limit | ||
| BV | NO | Zero | Zero | 31-Jan-2026 00:46:00 | 01:07:00 | 0.16 | 0 | .16 | 3 | ||
| NO2 | NO2_Prec | NO2_Prec | 31-Jan-2026 04:30:00 | 04:51:00 | 61.920 | 66.7 | -4.78 | 10.4 | |||
| NO2_Span | NO2_Span | 31-Jan-2026 04:00:00 | 04:21:00 | 251.000 | * | 264 | -13 | ||||
| Zero | Zero | 31-Jan-2026 00:46:00 | 01:07:00 | 0.628 | 0 | .63 | 3 | ||||
| NOX | Zero | 31-Jan-2026 00:46:00 | 01:07:00 | 0.79 | 0 | .79 | 3 | ||||
| O3 | Zero | 31-Jan-2026 00:46:00 | 01:07:00 | 0.000 | 0 | 0.00 | |||||
| CV | CO | Zero | 31-Jan-2026 00:46:00 | 01:07:00 | 0.0 | 0 | .08 | .3 | |||
| NO | Zero | 31-Jan-2026 00:46:00 | 01:07:00 | 0.08 | 0 | .08 | 3 | ||||
| NO2 | NO2_Prec | NO2_Prec | 31-Jan-2026 04:30:00 | 04:51:00 | 68.730 | 70.6 | -1.87 | 11.4 | |||
| NO2_Span | NO2_Span | 31-Jan-2026 04:00:00 | 04:21:00 | 257.300 | 255 | 2.3 | 34.1 | ||||
| Zero | Zero | 31-Jan-2026 00:46:00 | 01:07:00 | 0.514 | 0 | .51 | 3 | ||||
| NOX | Zero | 31-Jan-2026 00:46:00 | 01:07:00 | 0.60 | 0 | .6 | 3 | ||||
| O3 | Zero | 31-Jan-2026 00:46:00 | 01:07:00 | 0.000 | 0 | 0.00 | |||||
| SO2 | Zero | 31-Jan-2026 00:46:00 | 01:07:00 | 0.452 | 0 | .45 | 3 | ||||
| ED | NO | Zero | 31-Jan-2026 00:46:00 | 01:07:00 | 0.10 | 0 | .1 | 3 | |||
| NO2 | NO2_Prec | NO2_Prec | 31-Jan-2026 04:35:00 | 04:56:00 | 75.410 | 74 | 1.41 | 10.2 | |||
| NO2_Span | NO2_Span | 31-Jan-2026 04:00:00 | 04:21:00 | 259.900 | 260 | -.1 | 21.1 | ||||
| Zero | Zero | 31-Jan-2026 00:46:00 | 01:07:00 | 0.380 | 0 | .38 | 3 | ||||
| NOX | Zero | 31-Jan-2026 00:46:00 | 01:07:00 | 0.48 | 0 | .48 | 3 | ||||
| O3 | Zero | 31-Jan-2026 00:46:00 | 01:07:00 | -0.001 | 0 | 0.00 | |||||
| EN | NO | Zero | 31-Jan-2026 00:46:00 | 01:07:00 | 0.05 | 0 | .05 | 3 | |||
| NO2 | Zero | 31-Jan-2026 00:46:00 | 01:07:00 | 0.038 | 0 | .04 | 3 | ||||
| NOX | Zero | 31-Jan-2026 00:46:00 | 01:07:00 | 0.09 | 0 | .09 | 3 | ||||
| O3 | O3_Prec | O3_Prec | 31-Jan-2026 04:30:00 | 04:51:00 | 0.067 | 0.0675 | 0.00 | ||||
| O3_Span | O3_Span | 31-Jan-2026 04:00:00 | 04:21:00 | 0.416 | 0.414 | 0.00 | |||||
| Zero | Zero | 31-Jan-2026 00:46:00 | 01:07:00 | 0.000 | 0 | 0.00 | |||||
| H3 | NO | Zero | 31-Jan-2026 00:46:00 | 01:07:00 | 0.03 | 0 | .03 | 3 | |||
| NO2 | Zero | 31-Jan-2026 00:46:00 | 01:07:00 | 0.439 | 0 | .44 | 3 | ||||
| NOX | Zero | 31-Jan-2026 00:46:00 | 01:07:00 | 0.47 | 0 | .47 | 3 | ||||
| O3 | O3_Prec | O3_Prec | 31-Jan-2026 04:30:00 | 04:50:00 | 0.066 | 0.067 | 0.00 | ||||
| O3_Span | O3_Span | 31-Jan-2026 04:00:00 | 04:21:00 | 0.402 | 0.4 | 0.00 | |||||
| Zero | Zero | 31-Jan-2026 00:46:00 | 01:07:00 | 0.000 | 0 | 0.00 | |||||
| HC | NO | Zero | Zero | 31-Jan-2026 00:46:00 | 01:07:00 | 0.08 | 0 | .08 | 3 | ||
| NO2 | Zero | 31-Jan-2026 00:46:00 | 01:07:00 | -0.088 | 0 | -.09 | 3 | ||||
| NOX | Zero | 31-Jan-2026 00:46:00 | 01:07:00 | -0.01 | 0 | -.01 | 3 | ||||
| O3 | Zero | 31-Jan-2026 00:46:00 | 01:07:00 | 0.000 | 0 | 0.00 | |||||
| HV | CO | Zero | 31-Jan-2026 00:46:00 | 01:07:00 | 0.2 | 0 | .3 | .3 | |||
| NO | NOX_Span | NOX_Span | 31-Jan-2026 04:00:00 | 04:20:00 | 391.10 | 402 | -10.9 | 42.2 | |||
| Zero | Zero | 31-Jan-2026 00:46:00 | 01:07:00 | 0.09 | 0 | .09 | 3 | ||||
| NO2 | Zero | 31-Jan-2026 00:46:00 | 01:07:00 | 0.987 | 0 | .99 | 3 | ||||
| NOX | NOX_Span | NOX_Span | 31-Jan-2026 04:00:00 | 04:20:00 | 412.60 | 421 | -8.4 | 43 | |||
| Zero | Zero | 31-Jan-2026 00:46:00 | 01:07:00 | 1.08 | 0 | 1.08 | 3 | ||||
| O3 | Zero | 31-Jan-2026 00:46:00 | 01:07:00 | -0.001 | 0 | 0.00 | |||||
| HW | CO | Zero | 31-Jan-2026 00:46:00 | 01:07:00 | -0.3 | * | 0 | -.33 | .3 | ||
| DIFF | NOY_Zero | NOY_Zero | 31-Jan-2026 02:00:00 | 02:35:00 | 1.5 | 0 | 1.46 | 3 | |||
| N500NO | Zero | Zero | 31-Jan-2026 00:46:00 | 01:07:00 | 0.204 | 0 | .2 | 3 | |||
| N500NO2 | Zero | 31-Jan-2026 00:46:00 | 01:07:00 | 0.163 | 0 | .16 | 3 | ||||
| N500NOX | Zero | 31-Jan-2026 00:46:00 | 01:07:00 | 0.367 | * | 0 | .37 | ||||
| NO | Zero | 31-Jan-2026 00:46:00 | 01:07:00 | 0.04 | 0 | .04 | 3 | ||||
| NO2 | NO2_Prec | NO2_Prec | 31-Jan-2026 04:30:00 | 04:51:00 | 66.850 | 65.5 | 1.35 | 11.1 | |||
| NO2_Span | NO2_Span | 31-Jan-2026 04:00:00 | 04:21:00 | 269.700 | 269.7 | 0.00 | 29 | ||||
| Zero | Zero | 31-Jan-2026 00:46:00 | 01:07:00 | 0.835 | 0 | .84 | 3 | ||||
| NOX | Zero | 31-Jan-2026 00:46:00 | 01:07:00 | 0.87 | 0 | .87 | 3 | ||||
| NOY | NOY_Zero | NOY_Zero | 31-Jan-2026 02:00:00 | 02:35:00 | 1.5 | 0 | 1.49 | 3 | |||
| O3 | Zero | Zero | 31-Jan-2026 00:46:00 | 01:07:00 | 0.000 | 0 | 0.00 | ||||
| SO2TRACE | Zero | 31-Jan-2026 00:46:00 | 01:07:00 | 0.417 | 0 | .42 | 3 | ||||
| YNO | NOY_Zero | NOY_Zero | 31-Jan-2026 02:00:00 | 02:35:00 | 0.0 | 0 | .04 | 3 | |||
| LN | CO | Zero | Zero | 31-Jan-2026 00:46:00 | 01:07:00 | 0.1 | 0 | .16 | .3 | ||
| NO | NOX_Span | NOX_Span | 31-Jan-2026 04:00:00 | 04:21:00 | 418.10 | 404 | 14.1 | 43.4 | |||
| Zero | Zero | 31-Jan-2026 00:46:00 | 01:07:00 | 0.19 | 0 | .19 | 3 | ||||
| NO2 | Zero | 31-Jan-2026 00:46:00 | 01:07:00 | 0.217 | 0 | .22 | 3 | ||||
| NOX | NOX_Span | NOX_Span | 31-Jan-2026 04:00:00 | 04:21:00 | 430.50 | 427 | 3.5 | 44.1 | |||
| Zero | Zero | 31-Jan-2026 00:46:00 | 01:07:00 | 0.41 | 0 | .41 | 3 | ||||
| LN | O3 | Zero | Zero | 31-Jan-2026 00:46:00 | 01:07:00 | 0.000 | 0 | 0.00 | |||
| M7 | NO | Zero | 31-Jan-2026 00:46:00 | 01:07:00 | 0.10 | 0 | .1 | 3 | |||
| NO2 | Zero | 31-Jan-2026 00:46:00 | 01:07:00 | -0.014 | 0 | -.01 | 3 | ||||
| NOX | Zero | 31-Jan-2026 00:46:00 | 01:07:00 | 0.09 | 0 | .09 | 3 | ||||
| O3 | O3_Prec | O3_Prec | 31-Jan-2026 04:30:00 | 04:51:00 | 0.061 | 0.062 | 0.00 | ||||
| O3_Span | O3_Span | 31-Jan-2026 04:00:00 | 04:21:00 | 0.394 | 0.395 | 0.00 | .4 | ||||
| Zero | Zero | 31-Jan-2026 00:46:00 | 01:07:00 | -0.001 | 0 | 0.00 | |||||
| NR | CO | CO_Prec | CO_Prec | 31-Jan-2026 04:30:00 | 04:51:00 | 3.8 | 4 | -.13 | .4 | ||
| CO_Span | CO_Span | 31-Jan-2026 04:00:00 | 04:21:00 | 37.4 | 38.6 | -1.18 | 3.8 | ||||
| Zero | Zero | 31-Jan-2026 00:46:00 | 01:07:00 | 0.0 | 0 | .04 | .3 | ||||
| NO | Zero | 31-Jan-2026 00:46:00 | 01:07:00 | 0.05 | 0 | .05 | 3 | ||||
| NO2 | Zero | 31-Jan-2026 00:46:00 | 01:07:00 | 1.650 | 0 | 1.65 | 3 | ||||
| NOX | Zero | 31-Jan-2026 00:46:00 | 01:07:00 | 1.70 | 0 | 1.7 | 3 | ||||
| O3 | Zero | 31-Jan-2026 00:46:00 | 01:07:00 | 0.000 | 0 | 0.00 | |||||
| P2 | NO | NOX_Span | NOX_Span | 31-Jan-2026 04:00:00 | 04:20:00 | 413.30 | 429 | -15.7 | 42 | ||
| Zero | Zero | 31-Jan-2026 00:46:00 | 01:07:00 | -0.01 | 0 | -.01 | 3 | ||||
| NO2 | Zero | 31-Jan-2026 00:46:00 | 01:07:00 | 0.012 | 0 | .01 | 3 | ||||
| NOX | NOX_Span | NOX_Span | 31-Jan-2026 04:00:00 | 04:20:00 | 428.00 | 440 | -12 | 42 | |||
| Zero | Zero | 31-Jan-2026 00:46:00 | 01:07:00 | 0.00 | 0 | 0.00 | 3 | ||||
| O3 | Zero | 31-Jan-2026 00:46:00 | 01:07:00 | 0.000 | 0 | 0.00 | |||||
| RP | CO | Zero | 31-Jan-2026 00:46:00 | 01:07:00 | -0.2 | 0 | -.24 | .3 | |||
| NO | Zero | 31-Jan-2026 00:46:00 | 01:07:00 | 0.50 | 0 | .5 | 3 | ||||
| NO2 | Zero | 31-Jan-2026 00:46:00 | 01:07:00 | 1.156 | 0 | 1.16 | 3 | ||||
| NOX | Zero | 31-Jan-2026 00:46:00 | 01:07:00 | 1.65 | 0 | 1.65 | 3 | ||||
| O3 | Zero | 31-Jan-2026 00:46:00 | 01:07:00 | -0.002 | 0 | 0.00 | |||||
| SO2 | SO2_Prec | SO2_Prec | 31-Jan-2026 04:35:00 | 05:05:00 | 62.380 | 63.2 | -.82 | 6.4 | |||
| SO2_Span | SO2_Span | 31-Jan-2026 04:00:00 | 04:30:00 | 394.100 | 400 | -5.9 | 40.5 | ||||
| Zero | Zero | 31-Jan-2026 00:46:00 | 01:07:00 | 0.743 | 0 | .74 | 3 | ||||
| RS | NO2TRACE | ZERO | ZERO | 31-Jan-2026 00:46:00 | 01:07:00 | 0.051 | 0 | .05 | 3 | ||
| NOTRACE | NOX_Span | NOX_Span | 31-Jan-2026 04:00:00 | 04:21:00 | 358.1 | 365 | -6.9 | 43.7 | |||
| ZERO | ZERO | 31-Jan-2026 00:46:00 | 01:07:00 | 0.1 | 0 | .06 | 3 | ||||
| RS | NOXTRACE | NOX_Span | NOX_Span | 31-Jan-2026 04:00:00 | 04:21:00 | 359.7 | 365 | -5.3 | 43.1 | ||
| ZERO | ZERO | 31-Jan-2026 00:46:00 | 01:07:00 | 0.1 | 0 | .12 | 3 | ||||
| SF | NO | Zero | Zero | 31-Jan-2026 00:46:00 | 01:07:00 | 0.00 | 0 | 0.00 | 3 | ||
| NO2 | Zero | 31-Jan-2026 00:46:00 | 01:07:00 | 0.206 | 0 | .21 | 3 | ||||
| NOX | Zero | 31-Jan-2026 00:46:00 | 01:07:00 | 0.20 | 0 | .2 | 3 | ||||
| O3 | O3_Prec | O3_Prec | 31-Jan-2026 04:30:00 | 04:51:00 | 0.064 | 0.063 | 0.00 | ||||
| O3_Span | O3_Span | 31-Jan-2026 04:00:00 | 04:21:00 | 0.398 | 0.399 | 0.00 | |||||
| Zero | Zero | 31-Jan-2026 00:46:00 | 01:07:00 | 0.000 | 0 | 0.00 | |||||
| SM | NO | NOX_Span | NOX_Span | 31-Jan-2026 04:00:00 | 04:21:00 | 337.40 | 348 | -10.6 | 42.2 | ||
| Zero | Zero | 31-Jan-2026 00:46:00 | 01:07:00 | 0.23 | 0 | .23 | 3 | ||||
| NO2 | Zero | 31-Jan-2026 00:46:00 | 01:07:00 | 1.062 | 0 | 1.06 | 3 | ||||
| NOX | NOX_Span | NOX_Span | 31-Jan-2026 04:00:00 | 04:21:00 | 357.30 | 363 | -5.7 | 43.2 | |||
| Zero | Zero | 31-Jan-2026 00:46:00 | 01:07:00 | 1.29 | 0 | 1.29 | 3 | ||||
| O3 | Zero | 31-Jan-2026 00:46:00 | 01:07:00 | -0.001 | 0 | 0.00 | |||||
| UT | CO | Zero | 31-Jan-2026 00:46:00 | 01:07:00 | 0.0 | 0 | .06 | .3 | |||
| NO | Zero | 31-Jan-2026 00:46:00 | 01:07:00 | 0.071 | 0 | .07 | 3 | ||||
| NO2 | Zero | 31-Jan-2026 00:46:00 | 01:07:00 | 1.019 | 0 | 1.02 | 3 | ||||
| NOX | Zero | 31-Jan-2026 00:46:00 | 01:07:00 | 1.089 | 0 | 1.09 | 3 | ||||
| O3 | O3_Prec | O3_Prec | 31-Jan-2026 04:30:00 | 04:51:00 | 0.0 | 0.065 | 0.00 | 4.5 | |||
| O3_Span | O3_Span | 31-Jan-2026 04:00:00 | 04:21:00 | 0.3 | 0.4 | 0.00 | 39.9 | ||||
| Zero | Zero | 31-Jan-2026 00:46:00 | 01:07:00 | 0.0 | 0 | 0.00 | |||||
| SO2 | Zero | 31-Jan-2026 00:46:00 | 01:07:00 | 0.177 | 0 | .18 | 3 | ||||
| V4 | NO | NOX_Span | NOX_Span | 31-Jan-2026 04:00:00 | 04:21:00 | 381.80 | 405 | -23.2 | 41.2 | ||
| Zero | Zero | 31-Jan-2026 00:46:00 | 01:07:00 | 0.12 | 0 | .12 | 3 | ||||
| NO2 | Zero | 31-Jan-2026 00:46:00 | 01:07:00 | 0.05 | 0 | .05 | 3 | ||||
| NOX | NOX_Span | NOX_Span | 31-Jan-2026 04:00:00 | 04:21:00 | 386.10 | 410 | -23.9 | 41.1 | |||
| Zero | Zero | 31-Jan-2026 00:46:00 | 01:07:00 | 0.18 | 0 | .18 | 3 | ||||
| O3 | Zero | 31-Jan-2026 00:46:00 | 01:07:00 | -0.002 | 0 | 0.00 | |||||
| * - Drift limit exceeded | |||||||||||
| ** - Out of control limit exceeded |
First Report: calibrations2020-03-26.PDF