Latest Calibration Reports

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

Yesterday’s Report: calibrations2026-05-31.CSV

Site Parameter Sequence Phase Start Time End Time Value Expected Value Error Drift Warning Limit
BV NO NOX_Span NOX_Span 31-May-2026 04:00:00 04:20:00 377.80 386 -8.2 41.5
Zero Zero 31-May-2026 00:46:00 01:07:00 0.05 0 .05 3
NO2 Zero 31-May-2026 00:46:00 01:07:00 -0.090 0 -.09 3
NOX NOX_Span NOX_Span 31-May-2026 04:00:00 04:20:00 387.80 392 -4.2 41.8
Zero Zero 31-May-2026 00:46:00 01:07:00 -0.04 0 -.04 3
O3 Zero 31-May-2026 00:46:00 01:07:00 0.000 0 0.00
CV CO Zero 31-May-2026 00:46:00 01:07:00 0.0 0 .05 .3
NO NOX_Span NOX_Span 31-May-2026 04:00:00 04:21:00 321.90 363.6 -41.7 42.5
NOX_Span 31-May-2026 05:46:00 06:07:00 327.30 363.6 -36.3 42.5
Zero Zero 31-May-2026 00:46:00 01:07:00 -0.05 0 -.05 3
NO2 Zero 31-May-2026 00:46:00 01:07:00 -0.098 0 -.1 3
NOX NOX_Span NOX_Span 31-May-2026 04:00:00 04:21:00 330.00 360 -30 42.5
NOX_Span 31-May-2026 05:46:00 06:07:00 327.30 360 -32.7 42.5
Zero Zero 31-May-2026 00:46:00 01:07:00 -0.15 0 -.15 3
O3 Zero 31-May-2026 00:46:00 01:07:00 0.000 0 0.00
SO2 Zero 31-May-2026 00:46:00 01:07:00 0.477 0 .48 3
ED NO NOX_Span NOX_Span 31-May-2026 04:00:00 04:21:00 377.50 385 -7.5 41.9
Zero Zero 31-May-2026 00:46:00 01:07:00 0.05 0 .05 3
NO2 Zero 31-May-2026 00:46:00 01:07:00 -0.027 0 -.03 3
NOX NOX_Span NOX_Span 31-May-2026 04:00:00 04:21:00 388.20 392 -3.8 41.9
Zero Zero 31-May-2026 00:46:00 01:07:00 0.02 0 .02 3
O3 Zero 31-May-2026 00:46:00 01:07:00 0.000 0 0.00
EN NO Zero 31-May-2026 00:46:00 01:07:00 -0.27 0 -.27 3
NO2 NO2_Prec NO2_Prec 31-May-2026 04:36:00 04:57:00 69.500 70 -.5 10.5
NO2_Span NO2_Span 31-May-2026 04:00:00 04:21:00 284.000 282 2 27.8
Zero Zero 31-May-2026 00:46:00 01:07:00 0.007 0 .01 3
NOX Zero 31-May-2026 00:46:00 01:07:00 -0.27 0 -.27 3
O3 Zero 31-May-2026 00:46:00 01:07:00 -0.001 0 0.00
H3 NO Zero 31-May-2026 00:46:00 01:07:00 0.05 0 .05 3
NO2 NO2_Prec NO2_Prec 31-May-2026 04:30:00 04:51:00 66.350 72.5 -6.15 9.9
NO2_Span NO2_Span 31-May-2026 04:00:00 04:20:00 240.000 260 -20 28.2
Zero Zero 31-May-2026 00:46:00 01:07:00 0.065 0 .07 3
H3 NOX Zero Zero 31-May-2026 00:46:00 01:07:00 0.11 0 .11 3
O3 Zero 31-May-2026 00:46:00 01:07:00 0.000 0 0.00
HC NO Zero 31-May-2026 00:46:00 01:07:00 0.14 0 .14 3
NO2 Zero 31-May-2026 00:46:00 01:07:00 -0.370 0 -.37 3
NOX Zero 31-May-2026 00:46:00 01:07:00 -0.23 0 -.23 3
O3 Zero 31-May-2026 00:46:00 01:07:00 -0.001 0 0.00
HV CO Zero 31-May-2026 00:46:00 01:07:00 0.1 0 .19 .3
NO Zero 31-May-2026 00:46:00 01:07:00 -0.06 0 -.06 3
NO2 NO2_Prec NO2_Prec 31-May-2026 04:30:00 04:51:00 79.920 77 2.92 10.5
NO2_Span NO2_Span 31-May-2026 04:00:00 04:21:00 264.300 269 -4.7 25.6
Zero Zero 31-May-2026 00:46:00 01:07:00 0.013 0 .01 3
NOX Zero 31-May-2026 00:46:00 01:07:00 -0.04 0 -.04 3
O3 Zero 31-May-2026 00:46:00 01:07:00 0.000 0 0.00
HW CO Zero 31-May-2026 00:46:00 01:07:00 0.0 0 -.01 .3
DIFF NOY_Zero NOY_Zero 31-May-2026 02:00:00 02:35:00 0.6 0 .61 3
N500NO Zero Zero 31-May-2026 00:46:00 01:07:00 -0.160 0 -.16 3
N500NO2 Zero 31-May-2026 00:46:00 01:07:00 0.212 0 .21 3
N500NOX Zero 31-May-2026 00:46:00 01:07:00 0.052 * 0 .05
NO NOX_Span NOX_Span 31-May-2026 04:00:00 04:21:00 434.00 441.4 -7.4 44.5
Zero Zero 31-May-2026 00:46:00 01:07:00 0.01 0 .01 3
NO2 Zero 31-May-2026 00:46:00 01:07:00 0.046 0 .05 3
NOX NOX_Span NOX_Span 31-May-2026 04:00:00 04:21:00 443.60 446.6 -3 44.1
Zero Zero 31-May-2026 00:46:00 01:07:00 0.05 0 .05 3
NOY NOY_Zero NOY_Zero 31-May-2026 02:00:00 02:35:00 0.6 0 .63 3
O3 Zero Zero 31-May-2026 00:46:00 01:07:00 0.000 0 0.00
SO2TRACE Zero 31-May-2026 00:46:00 01:07:00 0.922 0 .92 3
YNO NOY_Zero NOY_Zero 31-May-2026 02:00:00 02:35:00 0.0 0 .02 3
LN CO Zero Zero 31-May-2026 00:46:00 01:07:00 0.2 0 .27 .3
NO Zero 31-May-2026 00:46:00 01:07:00 -0.08 0 -.08 3
NO2 Zero 31-May-2026 00:46:00 01:07:00 -0.074 0 -.07 3
NOX Zero 31-May-2026 00:46:00 01:07:00 -0.15 0 -.15 3
LN O3 O3_Prec O3_Prec 31-May-2026 04:30:00 04:51:00 0.064 0.064 0.00
O3_Span O3_Span 31-May-2026 04:00:00 04:21:00 0.392 0.394 0.00
Zero Zero 31-May-2026 00:46:00 01:07:00 0.000 0 0.00
M7 NO NOX_Span NOX_Span 31-May-2026 04:00:00 04:21:00 394.40 399 -4.6 39.3
Zero Zero 31-May-2026 00:46:00 01:07:00 -0.04 0 -.04 3
NO2 Zero 31-May-2026 00:46:00 01:07:00 0.018 0 .02 3
NOX NOX_Span NOX_Span 31-May-2026 04:00:00 04:21:00 394.40 399 -4.6 40.9
Zero Zero 31-May-2026 00:46:00 01:07:00 -0.02 0 -.02 3
O3 Zero 31-May-2026 00:46:00 01:07:00 0.000 0 0.00
NR CO Zero 31-May-2026 00:46:00 01:07:00 -0.1 0 -.19 .3
NO NOX_Span NOX_Span 31-May-2026 04:00:00 04:21:00 389.10 400 -10.9 41.1
Zero Zero 31-May-2026 00:46:00 01:07:00 0.01 0 .01 3
NO2 Zero 31-May-2026 00:46:00 01:07:00 -0.073 0 -.07 3
NOX NOX_Span NOX_Span 31-May-2026 04:00:00 04:21:00 407.00 414 -7 41.7
Zero Zero 31-May-2026 00:46:00 01:07:00 -0.06 0 -.06 3
O3 Zero 31-May-2026 00:46:00 01:07:00 0.000 0 0.00
P2 NO Zero 31-May-2026 00:46:00 01:07:00 0.33 0 .33 3
NO2 Zero 31-May-2026 00:46:00 01:07:00 0.739 0 .74 3
NOX Zero 31-May-2026 00:46:00 01:07:00 1.07 0 1.07 3
O3 Zero 31-May-2026 00:46:00 01:07:00 0.000 0 0.00
RP CO Zero 31-May-2026 00:46:00 01:07:00 -0.2 0 -.28 .3
NO Zero 31-May-2026 00:46:00 01:07:00 0.57 0 .57 3
NO2 Zero 31-May-2026 00:46:00 01:07:00 -0.147 0 -.15 3
NOX Zero 31-May-2026 00:46:00 01:07:00 0.42 0 .42 3
O3 O3_Prec O3_Prec 31-May-2026 04:30:00 04:51:00 0.067 0.064 0.00
O3_Span O3_Span 31-May-2026 04:00:00 04:21:00 0.400 0.389 .01
Zero Zero 31-May-2026 00:46:00 01:07:00 0.000 0 0.00
SO2 Zero 31-May-2026 00:46:00 01:07:00 0.672 0 .67 3
RS NO2TRACE ZERO ZERO 31-May-2026 00:46:00 01:07:00 -0.078 0 -.08 3
NOTRACE ZERO 31-May-2026 00:46:00 01:07:00 0.0 0 -.01 3
NOXTRACE ZERO 31-May-2026 00:46:00 01:07:00 -0.1 0 -.09 3
SF NO NOX_Span NOX_Span 31-May-2026 04:00:00 04:21:00 426.40 430 -3.6 46.2
Zero Zero 31-May-2026 00:46:00 01:07:00 0.06 0 .06 3
NO2 Zero 31-May-2026 00:46:00 01:07:00 -0.022 0 -.02 3
NOX NOX_Span NOX_Span 31-May-2026 04:00:00 04:21:00 439.30 443 -3.7 45.9
Zero Zero 31-May-2026 00:46:00 01:07:00 0.04 0 .04 3
O3 Zero 31-May-2026 00:46:00 01:07:00 0.000 0 0.00
SM NO Zero 31-May-2026 00:46:00 01:07:00 0.01 0 .01 3
NO2 Zero 31-May-2026 00:46:00 01:07:00 0.164 0 .16 3
NOX Zero 31-May-2026 00:46:00 01:07:00 0.17 0 .17 3
O3 O3_Prec O3_Prec 31-May-2026 04:30:00 04:51:00 0.063 0.06338 0.00
O3_Span O3_Span 31-May-2026 04:00:00 04:21:00 0.392 0.3972 0.00
Zero Zero 31-May-2026 00:46:00 01:07:00 -0.002 0 0.00
UT CO CO_Prec CO_Prec 31-May-2026 04:30:00 04:51:00 4.1 4 .12 .4
CO_Span CO_Span 31-May-2026 04:00:00 04:21:00 39.8 39.3 .55 4.1
Zero Zero 31-May-2026 00:46:00 01:07:00 0.0 0 .06 .3
NO Zero 31-May-2026 00:46:00 01:07:00 -0.044 0 -.04 3
NO2 Zero 31-May-2026 00:46:00 01:07:00 0.057 0 .06 3
NOX Zero 31-May-2026 00:46:00 01:07:00 0.013 0 .01 3
O3 Zero 31-May-2026 00:46:00 01:07:00 0.0 0 0.00
SO2 Zero 31-May-2026 00:46:00 01:07:00 0.576 0 .58 3
V4 NO Zero 31-May-2026 00:46:00 01:07:00 0.08 0 .08 3
NO2 Zero 31-May-2026 00:46:00 01:07:00 0.02 0 .02 3
NOX Zero 31-May-2026 00:46:00 01:07:00 0.09 0 .09 3
O3 O3_Prec O3_Prec 31-May-2026 04:30:00 04:51:00 0.067 0.069 0.00
O3_Span O3_Span 31-May-2026 04:00:00 04:21:00 0.407 0.406 0.00
Zero Zero 31-May-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