Latest Calibration Reports

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

Yesterday’s Report: calibrations2026-07-20.CSV

Site Parameter Sequence Phase Start Time End Time Value Expected Value Error Drift Warning Limit
BV NO Zero Zero 20-Jul-2026 00:46:00 01:07:00 0.00 0 0.00 3
NO2 Zero 20-Jul-2026 00:46:00 01:07:00 0.052 0 .05 3
NOX Zero 20-Jul-2026 00:46:00 01:07:00 0.05 0 .05 3
O3 Zero 20-Jul-2026 00:46:00 01:07:00 -0.001 0 0.00
CV CO Zero 20-Jul-2026 00:46:00 01:07:00 0.0 0 .04 .3
NO Zero 20-Jul-2026 00:46:00 01:07:00 -0.52 0 -.52 3
NO2 Zero 20-Jul-2026 00:46:00 01:07:00 0.023 0 .02 3
NOX Zero 20-Jul-2026 00:46:00 01:07:00 -0.49 0 -.49 3
O3 Zero 20-Jul-2026 00:46:00 01:07:00 0.000 0 0.00
SO2 SO2_Prec SO2_Prec 20-Jul-2026 04:30:00 04:50:00 65.100 * 65 .1
SO2_Span SO2_Span 20-Jul-2026 04:00:00 04:20:00 398.600 * 397 1.6
Zero Zero 20-Jul-2026 00:46:00 01:07:00 0.028 0 .03 3
ED NO Zero 20-Jul-2026 00:46:00 01:07:00 0.03 0 .03 3
NO2 Zero 20-Jul-2026 00:46:00 01:07:00 0.040 0 .04 3
NOX Zero 20-Jul-2026 00:46:00 01:07:00 0.07 0 .07 3
O3 Zero 20-Jul-2026 00:46:00 01:07:00 0.000 0 0.00
EN NO NOX_Span NOX_Span 20-Jul-2026 04:00:00 04:21:00 388.60 401 -12.4 42.9
Zero Zero 20-Jul-2026 00:46:00 01:07:00 -0.15 0 -.15 3
NO2 Zero 20-Jul-2026 00:46:00 01:07:00 0.331 0 .33 3
NOX NOX_Span NOX_Span 20-Jul-2026 04:00:00 04:21:00 428.10 430 -1.9 43.2
Zero Zero 20-Jul-2026 00:46:00 01:07:00 0.18 0 .18 3
O3 Zero 20-Jul-2026 00:46:00 01:07:00 0.000 0 0.00
H3 NO NOX_Span NOX_Span 20-Jul-2026 04:00:00 04:21:00 399.20 403 -3.8 41.2
Zero Zero 20-Jul-2026 00:46:00 01:07:00 -0.05 0 -.05 3
NO2 Zero 20-Jul-2026 00:46:00 01:07:00 0.284 0 .28 3
NOX NOX_Span NOX_Span 20-Jul-2026 04:00:00 04:21:00 399.90 403 -3.1 41.2
Zero Zero 20-Jul-2026 00:46:00 01:07:00 0.24 0 .24 3
O3 Zero 20-Jul-2026 00:46:00 01:07:00 0.000 0 0.00
HC NO Zero 20-Jul-2026 00:46:00 01:07:00 0.10 0 .1 3
NO2 Zero 20-Jul-2026 00:46:00 01:07:00 -0.234 0 -.23 3
NOX Zero 20-Jul-2026 00:46:00 01:07:00 -0.14 0 -.14 3
O3 Zero 20-Jul-2026 00:46:00 01:07:00 0.000 0 0.00
HV CO CO_Prec CO_Prec 20-Jul-2026 04:30:00 04:51:00 4.3 4 .3 .4
CO_Span CO_Span 20-Jul-2026 04:00:00 04:21:00 40.5 40 .5 3.9
Zero Zero 20-Jul-2026 00:46:00 01:07:00 0.2 0 .25 .3
NO Zero 20-Jul-2026 00:46:00 01:07:00 -0.01 0 -.01 3
NO2 Zero 20-Jul-2026 00:46:00 01:07:00 0.302 0 .3 3
NOX Zero 20-Jul-2026 00:46:00 01:07:00 0.29 0 .29 3
O3 Zero 20-Jul-2026 00:46:00 01:07:00 0.000 0 0.00
HW CO CO_Prec CO_Prec 20-Jul-2026 05:30:00 05:51:00 1.9 2.03 -.05 .1
CO_Span CO_Span 20-Jul-2026 05:00:00 05:21:00 7.8 * 7.99 -.12
Zero Zero 20-Jul-2026 00:46:00 01:07:00 0.0 0 0.00 .3
DIFF NOY_Zero NOY_Zero 20-Jul-2026 02:00:00 02:35:00 0.5 0 .52 3
N500NO Zero Zero 20-Jul-2026 00:46:00 01:07:00 0.101 0 .1 3
N500NO2 Zero 20-Jul-2026 00:46:00 01:07:00 0.045 0 .05 3
N500NOX Zero 20-Jul-2026 00:46:00 01:07:00 0.146 * 0 .15
NO Zero 20-Jul-2026 00:46:00 01:07:00 0.08 0 .08 3
NO2 Zero 20-Jul-2026 00:46:00 01:07:00 0.069 0 .07 3
NOX Zero 20-Jul-2026 00:46:00 01:07:00 0.15 0 .15 3
NOY NOY_Zero NOY_Zero 20-Jul-2026 02:00:00 02:35:00 0.5 0 .54 3
O3 Zero Zero 20-Jul-2026 00:46:00 01:07:00 0.000 0 0.00
SO2TRACE Zero 20-Jul-2026 00:46:00 01:07:00 0.584 0 .58 3
YNO NOY_Zero NOY_Zero 20-Jul-2026 02:00:00 02:35:00 0.0 0 .02 3
LN CO CO_Prec CO_Prec 20-Jul-2026 04:30:00 04:51:00 4.1 3.9 .26 .4
CO_Span CO_Span 20-Jul-2026 04:00:00 04:21:00 44.1 43.1 1.02 4.2
Zero Zero 20-Jul-2026 00:46:00 01:07:00 0.1 0 .11 .3
NO Zero 20-Jul-2026 00:46:00 01:07:00 -0.24 0 -.24 3
NO2 Zero 20-Jul-2026 00:46:00 01:07:00 0.109 0 .11 3
NOX Zero 20-Jul-2026 00:46:00 01:07:00 -0.13 0 -.13 3
O3 Zero 20-Jul-2026 00:46:00 01:07:00 0.000 0 0.00
M7 NO Zero 20-Jul-2026 00:46:00 01:07:00 0.01 0 .01 3
NO2 Zero 20-Jul-2026 00:46:00 01:07:00 0.139 0 .14 3
NOX Zero 20-Jul-2026 00:46:00 01:07:00 0.15 0 .15 3
M7 O3 Zero Zero 20-Jul-2026 00:46:00 01:07:00 0.000 0 0.00
NR CO Zero 20-Jul-2026 00:46:00 01:07:00 0.0 0 -.04 .3
NO Zero 20-Jul-2026 00:46:00 01:07:00 0.06 0 .06 3
NO2 NO2_Prec NO2_Prec 20-Jul-2026 04:31:00 04:57:00 72.410 71 1.41 10.8
NO2_Span NO2_Span 20-Jul-2026 04:00:00 04:26:00 266.200 262 4.2 29.7
Zero Zero 20-Jul-2026 00:46:00 01:07:00 0.108 0 .11 3
NOX Zero 20-Jul-2026 00:46:00 01:07:00 0.17 0 .17 3
O3 Zero 20-Jul-2026 00:46:00 01:07:00 0.000 0 0.00
P2 NO Zero 20-Jul-2026 00:46:00 01:07:00 0.90 0 .9 3
NO2 Zero 20-Jul-2026 00:46:00 01:07:00 -0.253 0 -.25 3
NOX Zero 20-Jul-2026 00:46:00 01:07:00 0.65 0 .65 3
O3 Zero 20-Jul-2026 00:46:00 01:07:00 0.000 0 0.00
RP CO Zero 20-Jul-2026 00:46:00 01:07:00 -0.1 0 -.11 .3
NO Zero 20-Jul-2026 00:46:00 01:07:00 -0.14 0 -.15 3
NO2 NO2_Prec NO2_Prec 20-Jul-2026 04:30:00 04:51:00 61.320 62 -.68 9.9
NO2_Span NO2_Span 20-Jul-2026 04:00:00 04:21:00 225.500 224 1.5 24.5
Zero Zero 20-Jul-2026 00:46:00 01:07:00 0.199 0 .2 3
NOX Zero 20-Jul-2026 00:46:00 01:07:00 0.05 0 .05 3
O3 Zero 20-Jul-2026 00:46:00 01:07:00 -0.001 0 0.00
SO2 Zero 20-Jul-2026 00:46:00 01:07:00 -0.253 0 -.25 3
RS NO2TRACE ZERO ZERO 20-Jul-2026 00:46:00 01:07:00 -0.040 0 -.04 3
NOTRACE ZERO 20-Jul-2026 00:46:00 01:07:00 0.0 0 .04 3
NOXTRACE ZERO 20-Jul-2026 00:46:00 01:07:00 0.0 0 0.00 3
SF NO Zero Zero 20-Jul-2026 00:46:00 01:07:00 -0.06 0 -.06 3
NO2 Zero 20-Jul-2026 00:46:00 01:07:00 0.173 0 .17 3
NOX Zero 20-Jul-2026 00:46:00 01:07:00 0.12 0 .12 3
O3 Zero 20-Jul-2026 00:46:00 01:07:00 0.000 0 0.00
SM NO Zero 20-Jul-2026 00:46:00 01:07:00 0.21 0 .21 3
NO2 Zero 20-Jul-2026 00:46:00 01:07:00 0.045 0 .05 3
NOX Zero 20-Jul-2026 00:46:00 01:07:00 0.26 0 .26 3
O3 Zero 20-Jul-2026 00:46:00 01:07:00 -0.002 0 0.00
UT CO Zero Zero 20-Jul-2026 00:46:00 01:07:00 0.0 0 .01 .3
NO Zero 20-Jul-2026 00:46:00 01:07:00 0.034 0 .03 3
NO2 Zero 20-Jul-2026 00:46:00 01:07:00 0.080 0 .08 3
NOX Zero 20-Jul-2026 00:46:00 01:07:00 0.114 0 .11 3
O3 Zero 20-Jul-2026 00:46:00 01:07:00 0.0 0 0.00
SO2 SO2_Prec SO2_Prec 20-Jul-2026 04:30:00 04:51:00 61.730 63 -1.27 6.2
SO2_Span SO2_Span 20-Jul-2026 04:00:00 04:21:00 385.300 390 -4.7 37
Zero Zero 20-Jul-2026 00:46:00 01:07:00 0.389 0 .39 3
V4 NO Zero 20-Jul-2026 00:46:00 01:07:00 0.02 0 .02 3
NO2 Zero 20-Jul-2026 00:46:00 01:07:00 0.14 0 .14 3
NOX Zero 20-Jul-2026 00:46:00 01:07:00 0.16 0 .16 3
O3 Zero 20-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