Latest Calibration Reports

Today’s Report will appear at 8:20 am.

Yesterday’s Report: calibrations2026-05-09.CSV

Site Parameter Sequence Phase Start Time End Time Value Expected Value Error Drift Warning Limit
BV NO Zero Zero 09-May-2026 00:46:00 01:07:00 -0.05 0 -.05 3
NO2 NO2_Prec NO2_Prec 09-May-2026 04:30:00 04:51:00 75.360 71 4.36 10.4
NO2_Span NO2_Span 09-May-2026 04:00:00 04:21:00 259.300 * 257 2.3
Zero Zero 09-May-2026 00:46:00 01:07:00 -0.028 0 -.03 3
NOX Zero 09-May-2026 00:46:00 01:07:00 -0.08 0 -.08 3
O3 Zero 09-May-2026 00:46:00 01:07:00 -0.001 0 0.00
CV CO Zero 09-May-2026 00:46:00 01:07:00 0.0 0 .07 .3
NO Zero 09-May-2026 00:46:00 01:07:00 0.04 0 .04 3
NO2 NO2_Prec NO2_Prec 09-May-2026 04:30:00 04:51:00 62.710 64.3 -1.59 11.4
NO2_Span NO2_Span 09-May-2026 04:00:00 04:21:00 254.000 251.2 2.8 34.1
Zero Zero 09-May-2026 00:46:00 01:07:00 -0.035 0 -.04 3
NOX Zero 09-May-2026 00:46:00 01:07:00 0.01 0 .01 3
O3 Zero 09-May-2026 00:46:00 01:07:00 0.000 0 0.00
SO2 Zero 09-May-2026 00:46:00 01:07:00 0.374 0 .37 3
ED NO Zero 09-May-2026 00:46:00 01:07:00 0.00 0 0.00 3
NO2 NO2_Prec NO2_Prec 09-May-2026 04:35:00 04:56:00 74.210 74 .21 10.2
NO2_Span NO2_Span 09-May-2026 04:00:00 04:21:00 259.200 260 -.8 21.1
Zero Zero 09-May-2026 00:46:00 01:07:00 0.021 0 .02 3
NOX Zero 09-May-2026 00:46:00 01:07:00 0.02 0 .02 3
O3 Zero 09-May-2026 00:46:00 01:07:00 0.000 0 0.00
EN NO Zero 09-May-2026 00:46:00 01:07:00 -0.20 0 -.2 3
Zero 09-May-2026 02:46:00 03:07:00 -0.21 0 -.21 3
Zero 09-May-2026 05:46:00 06:07:00 -0.14 0 -.14 3
NO2 Zero 09-May-2026 00:46:00 01:07:00 -0.069 0 -.07 3
Zero 09-May-2026 02:46:00 03:07:00 0.010 0 .01 3
Zero 09-May-2026 05:46:00 06:07:00 -0.028 0 -.03 3
NOX Zero 09-May-2026 00:46:00 01:07:00 -0.27 0 -.27 3
Zero 09-May-2026 02:46:00 03:07:00 -0.20 0 -.2 3
Zero 09-May-2026 05:46:00 06:07:00 -0.17 0 -.17 3
O3 O3_Prec O3_Prec 09-May-2026 04:30:00 04:51:00 0.061 0.061 0.00
O3_Span O3_Span 09-May-2026 04:00:00 04:21:00 0.414 0.406 .01
Zero Zero 09-May-2026 00:46:00 01:07:00 0.007 * 0 .01
EN O3 Zero Zero 09-May-2026 02:46:00 03:07:00 0.006 * 0 .01
Zero 09-May-2026 05:46:00 06:07:00 0.002 0 0.00
H3 NO Zero 09-May-2026 00:46:00 01:07:00 0.08 0 .08 3
NO2 Zero 09-May-2026 00:46:00 01:07:00 0.051 0 .05 3
NOX Zero 09-May-2026 00:46:00 01:07:00 0.13 0 .13 3
O3 O3_Prec O3_Prec 09-May-2026 04:30:00 04:50:00 0.063 0.065 0.00
O3_Span O3_Span 09-May-2026 04:00:00 04:21:00 0.402 0.405 0.00
Zero Zero 09-May-2026 00:46:00 01:07:00 0.000 0 0.00
HC NO Zero 09-May-2026 00:46:00 01:07:00 0.01 0 .01 3
NO2 Zero 09-May-2026 00:46:00 01:07:00 -0.410 0 -.41 3
NOX Zero 09-May-2026 00:46:00 01:07:00 -0.40 0 -.4 3
O3 Zero 09-May-2026 00:46:00 01:07:00 -0.001 0 0.00
HV CO Zero 09-May-2026 00:46:00 01:07:00 0.1 0 .13 .3
NO NOX_Span NOX_Span 09-May-2026 04:00:00 04:20:00 365.50 369 -3.5 42.2
Zero Zero 09-May-2026 00:46:00 01:07:00 -0.02 0 -.02 3
NO2 Zero 09-May-2026 00:46:00 01:07:00 -0.040 0 -.04 3
NOX NOX_Span NOX_Span 09-May-2026 04:00:00 04:20:00 386.10 386 .1 43
Zero Zero 09-May-2026 00:46:00 01:07:00 -0.06 0 -.06 3
O3 Zero 09-May-2026 00:46:00 01:07:00 0.001 0 0.00
HW CO Zero 09-May-2026 00:46:00 01:07:00 0.0 0 .08 .3
DIFF NOY_Zero NOY_Zero 09-May-2026 02:00:00 02:35:00 0.3 0 .3 3
N500NO Zero Zero 09-May-2026 00:46:00 01:07:00 -0.159 0 -.16 3
N500NO2 Zero 09-May-2026 00:46:00 01:07:00 0.165 0 .17 3
N500NOX Zero 09-May-2026 00:46:00 01:07:00 0.006 * 0 .01
NO Zero 09-May-2026 00:46:00 01:07:00 0.02 0 .02 3
NO2 NO2_Prec NO2_Prec 09-May-2026 04:30:00 04:51:00 67.770 65.5 2.27 11.1
NO2_Span NO2_Span 09-May-2026 04:00:00 04:21:00 266.000 269.7 -3.7 29
Zero Zero 09-May-2026 00:46:00 01:07:00 0.052 0 .05 3
NOX Zero 09-May-2026 00:46:00 01:07:00 0.07 0 .07 3
NOY NOY_Zero NOY_Zero 09-May-2026 02:00:00 02:35:00 0.3 0 .3 3
O3 Zero Zero 09-May-2026 00:46:00 01:07:00 0.000 0 0.00
HW SO2TRACE Zero Zero 09-May-2026 00:46:00 01:07:00 0.816 0 .82 3
YNO NOY_Zero NOY_Zero 09-May-2026 02:00:00 02:35:00 0.0 0 -.01 3
LN CO Zero Zero 09-May-2026 00:46:00 01:07:00 0.1 0 .15 .3
NO NOX_Span NOX_Span 09-May-2026 04:00:00 04:21:00 414.70 428 -13.3 43.4
Zero Zero 09-May-2026 00:46:00 01:07:00 -0.10 0 -.1 3
NO2 Zero 09-May-2026 00:46:00 01:07:00 -0.057 0 -.06 3
NOX NOX_Span NOX_Span 09-May-2026 04:00:00 04:21:00 429.10 431.8 -2.7 44.1
Zero Zero 09-May-2026 00:46:00 01:07:00 -0.16 0 -.16 3
O3 Zero 09-May-2026 00:46:00 01:07:00 0.000 0 0.00
M7 NO Zero 09-May-2026 00:46:00 01:07:00 0.09 0 .09 3
NO2 Zero 09-May-2026 00:46:00 01:07:00 -0.023 0 -.02 3
NOX Zero 09-May-2026 00:46:00 01:07:00 0.07 0 .07 3
O3 O3_Prec O3_Prec 09-May-2026 04:30:00 04:51:00 0.070 0.069 0.00
O3_Span O3_Span 09-May-2026 04:00:00 04:21:00 0.408 0.404 0.00 .4
Zero Zero 09-May-2026 00:46:00 01:07:00 0.000 0 0.00
NR CO CO_Prec CO_Prec 09-May-2026 04:30:00 04:51:00 3.6 3.6 .07 .4
CO_Span CO_Span 09-May-2026 04:00:00 04:21:00 39.6 39.7 -.04 3.8
Zero Zero 09-May-2026 00:46:00 01:07:00 -0.1 0 -.14 .3
NO Zero 09-May-2026 00:46:00 01:07:00 0.02 0 .02 3
NO2 Zero 09-May-2026 00:46:00 01:07:00 -0.059 0 -.06 3
NOX Zero 09-May-2026 00:46:00 01:07:00 -0.04 0 -.04 3
O3 Zero 09-May-2026 00:46:00 01:07:00 0.000 0 0.00
P2 NO NOX_Span NOX_Span 09-May-2026 04:00:00 04:20:00 370.60 365 5.6 42
Zero Zero 09-May-2026 00:46:00 01:07:00 0.26 0 .26 3
NO2 Zero 09-May-2026 00:46:00 01:07:00 0.030 0 .03 3
NOX NOX_Span NOX_Span 09-May-2026 04:00:00 04:20:00 380.50 379 1.5 42
Zero Zero 09-May-2026 00:46:00 01:07:00 0.29 0 .29 3
O3 Zero 09-May-2026 00:46:00 01:07:00 0.000 0 0.00
RP CO Zero 09-May-2026 00:46:00 01:07:00 -0.1 0 -.17 .3
NO Zero 09-May-2026 00:46:00 01:07:00 0.45 0 .45 3
NO2 Zero 09-May-2026 00:46:00 01:07:00 -0.051 0 -.05 3
RP NOX Zero Zero 09-May-2026 00:46:00 01:07:00 0.39 0 .39 3
O3 Zero 09-May-2026 00:46:00 01:07:00 0.002 0 0.00
SO2 SO2_Prec SO2_Prec 09-May-2026 04:35:00 05:05:00 60.850 63.2 -2.35 6.4
SO2_Span SO2_Span 09-May-2026 04:00:00 04:30:00 387.300 400 -12.7 40.5
Zero Zero 09-May-2026 00:46:00 01:07:00 0.927 0 .93 3
RS NO2TRACE ZERO ZERO 09-May-2026 00:46:00 01:07:00 -0.107 0 -.11 3
NOTRACE NOX_Span NOX_Span 09-May-2026 04:00:00 04:21:00 359.0 365 -6 43.7
ZERO ZERO 09-May-2026 00:46:00 01:07:00 0.0 0 .03 3
NOXTRACE NOX_Span NOX_Span 09-May-2026 04:00:00 04:21:00 361.1 365 -3.9 43.1
ZERO ZERO 09-May-2026 00:46:00 01:07:00 -0.1 0 -.08 3
SF NO Zero Zero 09-May-2026 00:46:00 01:07:00 -0.02 0 -.02 3
NO2 Zero 09-May-2026 00:46:00 01:07:00 -0.023 0 -.02 3
NOX Zero 09-May-2026 00:46:00 01:07:00 -0.04 0 -.04 3
O3 O3_Prec O3_Prec 09-May-2026 04:30:00 04:51:00 0.064 0.063 0.00
O3_Span O3_Span 09-May-2026 04:00:00 04:21:00 0.399 0.399 0.00
Zero Zero 09-May-2026 00:46:00 01:07:00 -0.001 0 0.00
SM NO NOX_Span NOX_Span 09-May-2026 04:00:00 04:21:00 384.40 387.3 -2.9 42.2
Zero Zero 09-May-2026 00:46:00 01:07:00 0.07 0 .07 3
NO2 Zero 09-May-2026 00:46:00 01:07:00 0.027 0 .03 3
NOX NOX_Span NOX_Span 09-May-2026 04:00:00 04:21:00 402.30 399.7 2.6 43.2
Zero Zero 09-May-2026 00:46:00 01:07:00 0.10 0 .1 3
O3 Zero 09-May-2026 00:46:00 01:07:00 -0.001 0 0.00
UT CO Zero 09-May-2026 00:46:00 01:07:00 0.3 * 0 .33 .3
NO Zero 09-May-2026 00:46:00 01:07:00 0.003 0 0.00 3
NO2 Zero 09-May-2026 00:46:00 01:07:00 0.077 0 .08 3
NOX Zero 09-May-2026 00:46:00 01:07:00 0.080 0 .08 3
O3 O3_Prec O3_Prec 09-May-2026 04:30:00 04:51:00 0.0 0.064 0.00 4.5
O3_Span O3_Span 09-May-2026 04:00:00 04:21:00 0.3 0.404 -.01 39.9
Zero Zero 09-May-2026 00:46:00 01:07:00 0.0 0 0.00
SO2 Zero 09-May-2026 00:46:00 01:07:00 0.635 0 .64 3
V4 NO NOX_Span NOX_Span 09-May-2026 04:00:00 04:21:00 386.40 393 -6.6 41.2
V4 NO Zero Zero 09-May-2026 00:46:00 01:07:00 -0.05 0 -.05 3
NO2 Zero 09-May-2026 00:46:00 01:07:00 0.05 0 .05 3
NOX NOX_Span NOX_Span 09-May-2026 04:00:00 04:21:00 387.20 391 -3.8 41.1
Zero Zero 09-May-2026 00:46:00 01:07:00 -0.01 0 -.01 3
O3 Zero 09-May-2026 00:46:00 01:07:00 -0.001 0 0.00
* - Drift limit exceeded
** - Out of control limit exceeded

First Report: calibrations2020-03-26.PDF