Latest Calibration Reports

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

Yesterday’s Report: calibrations2026-07-18.CSV

Site Parameter Sequence Phase Start Time End Time Value Expected Value Error Drift Warning Limit
BV NO Zero Zero 18-Jul-2026 00:46:00 01:07:00 -0.03 0 -.03 3
NO2 NO2_Prec NO2_Prec 18-Jul-2026 04:30:00 04:51:00 72.050 71 1.05 10.4
NO2_Span NO2_Span 18-Jul-2026 04:00:00 04:21:00 268.700 * 257 11.7
Zero Zero 18-Jul-2026 00:46:00 01:07:00 -0.019 0 -.02 3
NOX Zero 18-Jul-2026 00:46:00 01:07:00 -0.05 0 -.05 3
O3 Zero 18-Jul-2026 00:46:00 01:07:00 0.000 0 0.00
CV CO Zero 18-Jul-2026 00:46:00 01:07:00 0.0 0 .02 .3
NO Zero 18-Jul-2026 00:46:00 01:07:00 -0.49 0 -.49 3
NO2 NO2_Prec NO2_Prec 18-Jul-2026 04:30:00 04:51:00 65.550 63 2.55 11.4
NO2_Span NO2_Span 18-Jul-2026 04:00:00 04:21:00 268.000 244 24 34.1
Zero Zero 18-Jul-2026 00:46:00 01:07:00 0.095 0 .1 3
NOX Zero 18-Jul-2026 00:46:00 01:07:00 -0.39 0 -.39 3
O3 Zero 18-Jul-2026 00:46:00 01:07:00 0.000 0 0.00
SO2 Zero 18-Jul-2026 00:46:00 01:07:00 -0.004 0 0.00 3
ED NO Zero 18-Jul-2026 00:46:00 01:07:00 -0.03 0 -.03 3
NO2 NO2_Prec NO2_Prec 18-Jul-2026 04:35:00 04:56:00 72.020 70 2.02 10.2
NO2_Span NO2_Span 18-Jul-2026 04:00:00 04:21:00 257.700 259 -1.3 21.1
Zero Zero 18-Jul-2026 00:46:00 01:07:00 0.155 0 .16 3
NOX Zero 18-Jul-2026 00:46:00 01:07:00 0.12 0 .12 3
O3 Zero 18-Jul-2026 00:46:00 01:07:00 0.000 0 0.00
EN NO Zero 18-Jul-2026 00:46:00 01:07:00 -0.18 0 -.18 3
NO2 Zero 18-Jul-2026 00:46:00 01:07:00 0.415 0 .42 3
NOX Zero 18-Jul-2026 00:46:00 01:07:00 0.24 0 .24 3
O3 O3_Prec O3_Prec 18-Jul-2026 04:30:00 04:51:00 0.060 0.061 0.00
O3_Span O3_Span 18-Jul-2026 04:00:00 04:21:00 0.405 0.406 0.00
Zero Zero 18-Jul-2026 00:46:00 01:07:00 0.000 0 0.00
H3 NO Zero 18-Jul-2026 00:46:00 01:07:00 -0.03 0 -.03 3
NO2 Zero 18-Jul-2026 00:46:00 01:07:00 0.415 0 .42 3
NOX Zero 18-Jul-2026 00:46:00 01:07:00 0.39 0 .39 3
O3 O3_Prec O3_Prec 18-Jul-2026 04:30:00 04:50:00 0.063 0.065 0.00
O3_Span O3_Span 18-Jul-2026 04:00:00 04:21:00 0.400 0.405 0.00
Zero Zero 18-Jul-2026 00:46:00 01:07:00 0.000 0 0.00
HC NO Zero Zero 18-Jul-2026 00:46:00 01:07:00 0.12 0 .12 3
NO2 Zero 18-Jul-2026 00:46:00 01:07:00 -0.072 0 -.07 3
NOX Zero 18-Jul-2026 00:46:00 01:07:00 0.05 0 .05 3
O3 Zero 18-Jul-2026 00:46:00 01:07:00 0.000 0 0.00
HV CO Zero 18-Jul-2026 00:46:00 01:07:00 0.2 0 .24 .3
NO NOX_Span NOX_Span 18-Jul-2026 04:00:00 04:20:00 352.20 369 -16.8 42.2
Zero Zero 18-Jul-2026 00:46:00 01:07:00 -0.07 0 -.07 3
NO2 Zero 18-Jul-2026 00:46:00 01:07:00 0.307 0 .31 3
NOX NOX_Span NOX_Span 18-Jul-2026 04:00:00 04:20:00 378.30 384 -5.7 43
Zero Zero 18-Jul-2026 00:46:00 01:07:00 0.24 0 .24 3
O3 Zero 18-Jul-2026 00:46:00 01:07:00 0.000 0 0.00
HW CO Zero 18-Jul-2026 00:46:00 01:07:00 0.0 0 .01 .3
DIFF NOY_Zero NOY_Zero 18-Jul-2026 02:00:00 02:35:00 0.6 0 .65 3
N500NO Zero Zero 18-Jul-2026 00:46:00 01:07:00 0.046 0 .05 3
N500NO2 Zero 18-Jul-2026 00:46:00 01:07:00 0.064 0 .06 3
N500NOX Zero 18-Jul-2026 00:46:00 01:07:00 0.110 * 0 .11
NO Zero 18-Jul-2026 00:46:00 01:07:00 0.12 0 .12 3
NO2 NO2_Prec NO2_Prec 18-Jul-2026 04:30:00 04:51:00 66.550 68.5 -1.95 11.1
NO2_Span NO2_Span 18-Jul-2026 04:00:00 04:21:00 261.100 267.3 -6.2 29
Zero Zero 18-Jul-2026 00:46:00 01:07:00 0.076 0 .08 3
NOX Zero 18-Jul-2026 00:46:00 01:07:00 0.20 0 .2 3
NOY NOY_Zero NOY_Zero 18-Jul-2026 02:00:00 02:35:00 0.6 0 .64 3
O3 Zero Zero 18-Jul-2026 00:46:00 01:07:00 0.000 0 0.00
SO2TRACE Zero 18-Jul-2026 00:46:00 01:07:00 0.563 0 .56 3
YNO NOY_Zero NOY_Zero 18-Jul-2026 02:00:00 02:35:00 0.0 0 0.00 3
LN CO Zero Zero 18-Jul-2026 00:46:00 01:07:00 0.1 0 .12 .3
NO NOX_Span NOX_Span 18-Jul-2026 04:00:00 04:21:00 416.80 428 -11.2 43.4
Zero Zero 18-Jul-2026 00:46:00 01:07:00 -0.16 0 -.16 3
NO2 Zero 18-Jul-2026 00:46:00 01:07:00 0.331 0 .33 3
NOX NOX_Span NOX_Span 18-Jul-2026 04:00:00 04:21:00 430.90 431.8 -.9 44.1
Zero Zero 18-Jul-2026 00:46:00 01:07:00 0.17 0 .17 3
LN O3 Zero Zero 18-Jul-2026 00:46:00 01:07:00 0.000 0 0.00
M7 NO Zero 18-Jul-2026 00:46:00 01:07:00 0.03 0 .03 3
NO2 Zero 18-Jul-2026 00:46:00 01:07:00 0.046 0 .05 3
NOX Zero 18-Jul-2026 00:46:00 01:07:00 0.08 0 .08 3
O3 O3_Prec O3_Prec 18-Jul-2026 04:30:00 04:51:00 0.072 0.0728 0.00
O3_Span O3_Span 18-Jul-2026 04:00:00 04:21:00 0.418 0.409 .01 .4
Zero Zero 18-Jul-2026 00:46:00 01:07:00 0.000 0 0.00
NR CO CO_Prec CO_Prec 18-Jul-2026 04:30:00 04:51:00 3.7 3.6 .15 .4
CO_Span CO_Span 18-Jul-2026 04:00:00 04:21:00 39.0 39.7 -.7 3.8
Zero Zero 18-Jul-2026 00:46:00 01:07:00 0.0 0 -.04 .3
NO Zero 18-Jul-2026 00:46:00 01:07:00 0.03 0 .03 3
NO2 Zero 18-Jul-2026 00:46:00 01:07:00 0.111 0 .11 3
NOX Zero 18-Jul-2026 00:46:00 01:07:00 0.14 0 .15 3
O3 Zero 18-Jul-2026 00:46:00 01:07:00 0.000 0 0.00
P2 NO NOX_Span NOX_Span 18-Jul-2026 04:00:00 04:20:00 381.00 378 3 42
Zero Zero 18-Jul-2026 00:46:00 01:07:00 0.85 0 .85 3
NO2 Zero 18-Jul-2026 00:46:00 01:07:00 -0.191 0 -.19 3
NOX NOX_Span NOX_Span 18-Jul-2026 04:00:00 04:20:00 392.90 381 11.9 42
Zero Zero 18-Jul-2026 00:46:00 01:07:00 0.66 0 .66 3
O3 Zero 18-Jul-2026 00:46:00 01:07:00 0.000 0 0.00
RP CO Zero 18-Jul-2026 00:46:00 01:07:00 -0.1 0 -.11 .3
NO Zero 18-Jul-2026 00:46:00 01:07:00 0.00 0 0.00 3
NO2 Zero 18-Jul-2026 00:46:00 01:07:00 0.256 0 .26 3
NOX Zero 18-Jul-2026 00:46:00 01:07:00 0.25 0 .25 3
O3 Zero 18-Jul-2026 00:46:00 01:07:00 0.000 0 0.00
SO2 SO2_Prec SO2_Prec 18-Jul-2026 04:35:00 05:05:00 61.790 65 -3.21 6.4
SO2_Span SO2_Span 18-Jul-2026 04:00:00 04:30:00 396.000 407 -11 40.5
Zero Zero 18-Jul-2026 00:46:00 01:07:00 -0.114 0 -.11 3
RS NO2TRACE ZERO ZERO 18-Jul-2026 00:46:00 01:07:00 -0.041 0 -.04 3
NOTRACE NOX_Span NOX_Span 18-Jul-2026 04:00:00 04:21:00 358.3 365 -6.7 43.7
ZERO ZERO 18-Jul-2026 00:46:00 01:07:00 0.1 0 .11 3
RS NOXTRACE NOX_Span NOX_Span 18-Jul-2026 04:00:00 04:21:00 360.1 365 -4.9 43.1
ZERO ZERO 18-Jul-2026 00:46:00 01:07:00 0.1 0 .07 3
SF NO Zero Zero 18-Jul-2026 00:46:00 01:07:00 -0.01 0 -.01 3
NO2 Zero 18-Jul-2026 00:46:00 01:07:00 0.225 0 .23 3
NOX Zero 18-Jul-2026 00:46:00 01:07:00 0.21 0 .21 3
O3 O3_Prec O3_Prec 18-Jul-2026 04:30:00 04:51:00 0.063 0.064 0.00
O3_Span O3_Span 18-Jul-2026 04:00:00 04:21:00 0.400 0.401 0.00
Zero Zero 18-Jul-2026 00:46:00 01:07:00 0.000 0 0.00
SM NO NOX_Span NOX_Span 18-Jul-2026 04:00:00 04:21:00 381.80 387.3 -5.5 42.2
Zero Zero 18-Jul-2026 00:46:00 01:07:00 0.03 0 .03 3
NO2 Zero 18-Jul-2026 00:46:00 01:07:00 0.200 0 .2 3
NOX NOX_Span NOX_Span 18-Jul-2026 04:00:00 04:21:00 399.70 399.7 0.00 43.2
Zero Zero 18-Jul-2026 00:46:00 01:07:00 0.23 0 .23 3
O3 Zero 18-Jul-2026 00:46:00 01:07:00 -0.001 0 0.00
UT CO Zero 18-Jul-2026 00:46:00 01:07:00 0.0 0 -.01 .3
NO Zero 18-Jul-2026 00:46:00 01:07:00 0.041 0 .04 3
NO2 Zero 18-Jul-2026 00:46:00 01:07:00 0.079 0 .08 3
NOX Zero 18-Jul-2026 00:46:00 01:07:00 0.120 0 .12 3
O3 O3_Prec O3_Prec 18-Jul-2026 04:30:00 04:51:00 0.0 0.064 0.00 4.5
O3_Span O3_Span 18-Jul-2026 04:00:00 04:21:00 0.3 0.404 -.01 39.9
Zero Zero 18-Jul-2026 00:46:00 01:07:00 0.0 0 0.00
SO2 Zero 18-Jul-2026 00:46:00 01:07:00 0.293 0 .29 3
V4 NO NOX_Span NOX_Span 18-Jul-2026 04:00:00 04:21:00 392.60 393 -.4 41.2
Zero Zero 18-Jul-2026 00:46:00 01:07:00 0.05 0 .05 3
NO2 Zero 18-Jul-2026 00:46:00 01:07:00 0.15 0 .15 3
NOX NOX_Span NOX_Span 18-Jul-2026 04:00:00 04:21:00 392.40 391 1.4 41.1
Zero Zero 18-Jul-2026 00:46:00 01:07:00 0.20 0 .2 3
O3 Zero 18-Jul-2026 00:46:00 01:07:00 0.000 0 0.00
* - Drift limit exceeded
** - Out of control limit exceeded

First Report: calibrations2020-03-26.PDF