Latest Calibration Reports

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

Yesterday’s Report: calibrations2026-01-20.CSV

Site Parameter Sequence Phase Start Time End Time Value Expected Value Error Drift Warning Limit
BV NO Zero Zero 20-Jan-2026 00:46:00 01:07:00 0.05 0 .05 3
NO2 Zero 20-Jan-2026 00:46:00 01:07:00 -0.129 0 -.13 3
NOX Zero 20-Jan-2026 00:46:00 01:07:00 -0.08 0 -.08 3
O3 Zero 20-Jan-2026 00:46:00 01:07:00 0.000 0 0.00
CV CO CO_Prec CO_Prec 20-Jan-2026 04:30:00 04:51:00 2.0 2 .06 .2
CO_Span CO_Span 20-Jan-2026 04:00:00 04:21:00 7.9 8 -.01 .8
Zero Zero 20-Jan-2026 00:46:00 01:07:00 0.0 0 .09 .3
NO Zero 20-Jan-2026 00:46:00 01:07:00 0.02 0 .02 3
NO2 Zero 20-Jan-2026 00:46:00 01:07:00 0.424 0 .42 3
NOX Zero 20-Jan-2026 00:46:00 01:07:00 0.44 0 .44 3
O3 Zero 20-Jan-2026 00:46:00 01:07:00 0.000 0 0.00
SO2 Zero 20-Jan-2026 00:46:00 01:07:00 0.346 0 .35 3
ED NO Zero 20-Jan-2026 00:46:00 01:07:00 0.12 0 .12 3
NO2 Zero 20-Jan-2026 00:46:00 01:07:00 0.397 0 .4 3
NOX Zero 20-Jan-2026 00:46:00 01:07:00 0.51 0 .51 3
O3 Zero 20-Jan-2026 00:46:00 01:07:00 0.000 0 0.00
EN NO Zero 20-Jan-2026 00:46:00 01:07:00 0.10 0 .1 3
NO2 Zero 20-Jan-2026 00:46:00 01:07:00 0.035 0 .04 3
NOX Zero 20-Jan-2026 00:46:00 01:07:00 0.14 0 .14 3
O3 Zero 20-Jan-2026 00:46:00 01:07:00 0.000 0 0.00
H3 NO Zero 20-Jan-2026 00:46:00 01:07:00 -0.02 0 -.02 3
NO2 Zero 20-Jan-2026 00:46:00 01:07:00 0.719 0 .72 3
NOX Zero 20-Jan-2026 00:46:00 01:07:00 0.70 0 .7 3
O3 Zero 20-Jan-2026 00:46:00 01:07:00 0.000 0 0.00
HC NO Zero 20-Jan-2026 00:46:00 01:07:00 0.11 0 .11 3
NO2 Zero 20-Jan-2026 00:46:00 01:07:00 -0.174 0 -.17 3
NOX Zero 20-Jan-2026 00:46:00 01:07:00 -0.06 0 -.06 3
O3 Zero 20-Jan-2026 00:46:00 01:07:00 0.000 0 0.00
HV CO Zero 20-Jan-2026 00:46:00 01:07:00 0.2 0 .27 .3
NO Zero 20-Jan-2026 00:46:00 01:07:00 0.20 0 .2 3
NO2 Zero 20-Jan-2026 00:46:00 01:07:00 0.635 0 .64 3
NOX Zero 20-Jan-2026 00:46:00 01:07:00 0.83 0 .83 3
HV O3 Zero Zero 20-Jan-2026 00:46:00 01:07:00 0.000 0 0.00
HW CO Zero 20-Jan-2026 00:46:00 01:07:00 0.0 0 -.08 .3
DIFF NOY_Zero NOY_Zero 20-Jan-2026 02:00:00 02:35:00 1.1 0 1.11 3
N500NO Zero Zero 20-Jan-2026 00:46:00 01:07:00 -0.144 0 -.14 3
N500NO2 N5NO2PRC N5NO2PRC 20-Jan-2026 06:31:00 06:56:00 66.830 65.46 1.37 9.8
N5NO2SPA N5NO2SPA 20-Jan-2026 06:00:00 06:25:00 161.200 157.4 3.8 35.4
Zero Zero 20-Jan-2026 00:46:00 01:07:00 0.690 0 .69 3
N500NOX Zero 20-Jan-2026 00:46:00 01:07:00 0.545 * 0 .55
NO Zero 20-Jan-2026 00:46:00 01:07:00 0.02 0 .02 3
NO2 Zero 20-Jan-2026 00:46:00 01:07:00 0.802 0 .8 3
NOX Zero 20-Jan-2026 00:46:00 01:07:00 0.82 0 .82 3
NOY NOY_Zero NOY_Zero 20-Jan-2026 02:00:00 02:35:00 1.2 0 1.17 3
O3 Zero Zero 20-Jan-2026 00:46:00 01:07:00 0.000 0 0.00
SO2TRACE SO2_Prec SO2_Prec 20-Jan-2026 04:36:00 05:02:00 20.430 20.44 -.01 2
SO2_Span SO2_Span 20-Jan-2026 04:00:00 04:26:00 81.200 81.92 -.72 8
Zero Zero 20-Jan-2026 00:46:00 01:07:00 0.445 0 .45 3
YNO NOY_Zero NOY_Zero 20-Jan-2026 02:00:00 02:35:00 0.1 0 .07 3
LN CO Zero Zero 20-Jan-2026 00:46:00 01:07:00 0.0 0 .02 .3
NO Zero 20-Jan-2026 00:46:00 01:07:00 0.28 0 .28 3
NO2 Zero 20-Jan-2026 00:46:00 01:07:00 0.670 0 .67 3
NOX Zero 20-Jan-2026 00:46:00 01:07:00 0.95 0 .95 3
O3 Zero 20-Jan-2026 00:46:00 01:07:00 0.000 0 0.00
M7 NO Zero 20-Jan-2026 00:46:00 01:07:00 0.04 0 .04 3
NO2 Zero 20-Jan-2026 00:46:00 01:07:00 0.010 0 .01 3
NOX Zero 20-Jan-2026 00:46:00 01:07:00 0.05 0 .05 3
O3 Zero 20-Jan-2026 00:46:00 01:07:00 -0.002 0 0.00
NR CO Zero 20-Jan-2026 00:46:00 01:07:00 -0.2 0 -.25 .3
NO Zero 20-Jan-2026 00:46:00 01:07:00 -0.02 0 -.02 3
NO2 Zero 20-Jan-2026 00:46:00 01:07:00 1.249 0 1.25 3
NOX Zero 20-Jan-2026 00:46:00 01:07:00 1.23 0 1.23 3
O3 Zero 20-Jan-2026 00:46:00 01:07:00 0.000 0 0.00
P2 NO Zero Zero 20-Jan-2026 00:46:00 01:07:00 0.03 0 .03 3
NO2 Zero 20-Jan-2026 00:46:00 01:07:00 -0.143 0 -.14 3
NOX Zero 20-Jan-2026 00:46:00 01:07:00 -0.12 0 -.12 3
O3 Zero 20-Jan-2026 00:46:00 01:07:00 0.000 0 0.00
RP CO CO_Prec CO_Prec 20-Jan-2026 04:30:00 04:51:00 3.8 4.1 -.22 .4
CO_Span CO_Span 20-Jan-2026 04:00:00 04:21:00 39.4 40 -.53 4
Zero Zero 20-Jan-2026 00:46:00 01:07:00 -0.1 0 -.19 .3
NO Zero 20-Jan-2026 00:46:00 01:07:00 0.44 0 .44 3
NO2 Zero 20-Jan-2026 00:46:00 01:07:00 0.915 0 .92 3
NOX Zero 20-Jan-2026 00:46:00 01:07:00 1.36 0 1.36 3
O3 Zero 20-Jan-2026 00:46:00 01:07:00 0.000 0 0.00
SO2 Zero 20-Jan-2026 00:46:00 01:07:00 0.905 0 .91 3
RS NO2TRACE ZERO ZERO 20-Jan-2026 00:46:00 01:07:00 -0.060 0 -.06 3
NOTRACE ZERO 20-Jan-2026 00:46:00 01:07:00 0.0 0 .03 3
NOXTRACE ZERO 20-Jan-2026 00:46:00 01:07:00 0.0 0 -.03 3
SF NO Zero Zero 20-Jan-2026 00:46:00 01:07:00 0.08 0 .08 3
NO2 Zero 20-Jan-2026 00:46:00 01:07:00 0.866 0 .87 3
NOX Zero 20-Jan-2026 00:46:00 01:07:00 0.95 0 .95 3
O3 Zero 20-Jan-2026 00:46:00 01:07:00 0.000 0 0.00
SM NO Zero 20-Jan-2026 00:46:00 01:07:00 0.02 0 .02 3
NO2 Zero 20-Jan-2026 00:46:00 01:07:00 0.320 0 .32 3
NOX Zero 20-Jan-2026 00:46:00 01:07:00 0.34 0 .34 3
O3 Zero 20-Jan-2026 00:46:00 01:07:00 -0.001 0 0.00
UT CO Zero 20-Jan-2026 00:46:00 01:07:00 0.0 0 .04 .3
NO Zero 20-Jan-2026 00:46:00 01:07:00 0.072 0 .07 3
NO2 Zero 20-Jan-2026 00:46:00 01:07:00 0.621 0 .62 3
NOX Zero 20-Jan-2026 00:46:00 01:07:00 0.693 0 .69 3
O3 Zero 20-Jan-2026 00:46:00 01:07:00 0.0 0 0.00
SO2 Zero 20-Jan-2026 00:46:00 01:07:00 0.159 0 .16 3
V4 NO Zero 20-Jan-2026 00:46:00 01:07:00 0.16 0 .16 3
NO2 Zero 20-Jan-2026 00:46:00 01:07:00 0.01 0 .01 3
V4 NOX Zero Zero 20-Jan-2026 00:46:00 01:07:00 0.17 0 .17 3
O3 Zero 20-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