Latest Calibration Reports

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

Yesterday’s Report: calibrations2026-04-11.CSV

Site Parameter Sequence Phase Start Time End Time Value Expected Value Error Drift Warning Limit
BV NO Zero Zero 11-Apr-2026 00:46:00 01:07:00 -0.02 0 -.02 3
NO2 NO2_Prec NO2_Prec 11-Apr-2026 04:30:00 04:51:00 75.120 71 4.12 10.4
NO2_Span NO2_Span 11-Apr-2026 04:00:00 04:21:00 263.800 * 257 6.8
Zero Zero 11-Apr-2026 00:46:00 01:07:00 0.005 0 .01 3
NOX Zero 11-Apr-2026 00:46:00 01:07:00 -0.02 0 -.02 3
O3 Zero 11-Apr-2026 00:46:00 01:07:00 0.000 0 0.00
CV CO Zero 11-Apr-2026 00:46:00 01:07:00 0.0 0 .05 .3
NO Zero 11-Apr-2026 00:46:00 01:07:00 0.09 0 .09 3
NO2 NO2_Prec NO2_Prec 11-Apr-2026 04:30:00 04:51:00 64.560 64.3 .26 11.4
NO2_Span NO2_Span 11-Apr-2026 04:00:00 04:21:00 267.100 251.2 15.9 34.1
Zero Zero 11-Apr-2026 00:46:00 01:07:00 -0.087 0 -.09 3
NOX Zero 11-Apr-2026 00:46:00 01:07:00 0.00 0 0.00 3
O3 Zero 11-Apr-2026 00:46:00 01:07:00 0.000 0 0.00
SO2 Zero 11-Apr-2026 00:46:00 01:07:00 0.393 0 .39 3
ED NO Zero 11-Apr-2026 00:46:00 01:07:00 0.05 0 .05 3
NO2 NO2_Prec NO2_Prec 11-Apr-2026 04:35:00 04:56:00 74.060 74 .06 10.2
NO2_Span NO2_Span 11-Apr-2026 04:00:00 04:21:00 258.600 260 -1.4 21.1
Zero Zero 11-Apr-2026 00:46:00 01:07:00 -0.045 0 -.05 3
NOX Zero 11-Apr-2026 00:46:00 01:07:00 0.01 0 .01 3
O3 Zero 11-Apr-2026 00:46:00 01:07:00 -0.001 0 0.00
EN NO Zero 11-Apr-2026 00:46:00 01:07:00 -0.09 0 -.09 3
NO2 Zero 11-Apr-2026 00:46:00 01:07:00 -0.042 0 -.04 3
NOX Zero 11-Apr-2026 00:46:00 01:07:00 -0.14 0 -.14 3
O3 O3_Prec O3_Prec 11-Apr-2026 04:30:00 04:51:00 0.060 0.061 0.00
O3_Span O3_Span 11-Apr-2026 04:00:00 04:21:00 0.406 0.406 0.00
Zero Zero 11-Apr-2026 00:46:00 01:07:00 0.000 0 0.00
H3 NO Zero 11-Apr-2026 00:46:00 01:07:00 -0.07 0 -.07 3
NO2 Zero 11-Apr-2026 00:46:00 01:07:00 0.069 0 .07 3
NOX Zero 11-Apr-2026 00:46:00 01:07:00 0.00 0 0.00 3
O3 O3_Prec O3_Prec 11-Apr-2026 04:30:00 04:50:00 0.067 0.0675 0.00
O3_Span O3_Span 11-Apr-2026 04:00:00 04:21:00 0.402 0.404 0.00
Zero Zero 11-Apr-2026 00:46:00 01:07:00 0.000 0 0.00
HC NO Zero Zero 11-Apr-2026 00:46:00 01:07:00 0.22 0 .22 3
NO2 Zero 11-Apr-2026 00:46:00 01:07:00 -0.469 0 -.47 3
NOX Zero 11-Apr-2026 00:46:00 01:07:00 -0.25 0 -.25 3
O3 Zero 11-Apr-2026 00:46:00 01:07:00 -0.001 0 0.00
HV CO Zero 11-Apr-2026 00:46:00 01:07:00 0.1 0 .1 .3
NO NOX_Span NOX_Span 11-Apr-2026 04:00:00 04:20:00 366.70 369 -2.3 42.2
Zero Zero 11-Apr-2026 00:46:00 01:07:00 -0.04 0 -.04 3
NO2 Zero 11-Apr-2026 00:46:00 01:07:00 0.013 0 .01 3
NOX NOX_Span NOX_Span 11-Apr-2026 04:00:00 04:20:00 387.60 386 1.6 43
Zero Zero 11-Apr-2026 00:46:00 01:07:00 -0.03 0 -.03 3
O3 Zero 11-Apr-2026 00:46:00 01:07:00 0.000 0 0.00
HW CO Zero 11-Apr-2026 00:46:00 01:07:00 0.0 0 .08 .3
DIFF NOY_Zero NOY_Zero 11-Apr-2026 02:00:00 02:35:00 0.4 0 .41 3
N500NO Zero Zero 11-Apr-2026 00:46:00 01:07:00 -0.166 0 -.17 3
N500NO2 Zero 11-Apr-2026 00:46:00 01:07:00 0.189 0 .19 3
N500NOX Zero 11-Apr-2026 00:46:00 01:07:00 0.023 * 0 .02
NO Zero 11-Apr-2026 00:46:00 01:07:00 0.04 0 .04 3
NO2 NO2_Prec NO2_Prec 11-Apr-2026 04:30:00 04:51:00 66.870 65.5 1.37 11.1
NO2_Span NO2_Span 11-Apr-2026 04:00:00 04:21:00 262.400 269.7 -7.3 29
Zero Zero 11-Apr-2026 00:46:00 01:07:00 0.063 0 .06 3
NOX Zero 11-Apr-2026 00:46:00 01:07:00 0.10 0 .1 3
NOY NOY_Zero NOY_Zero 11-Apr-2026 02:00:00 02:35:00 0.4 0 .42 3
O3 Zero Zero 11-Apr-2026 00:46:00 01:07:00 0.000 0 0.00
SO2TRACE Zero 11-Apr-2026 00:46:00 01:07:00 0.733 0 .73 3
YNO NOY_Zero NOY_Zero 11-Apr-2026 02:00:00 02:35:00 0.0 0 .01 3
LN CO Zero Zero 11-Apr-2026 00:46:00 01:07:00 0.0 0 .06 .3
NO NOX_Span NOX_Span 11-Apr-2026 04:00:00 04:21:00 414.50 404 10.5 43.4
Zero Zero 11-Apr-2026 00:46:00 01:07:00 0.08 0 .08 3
NO2 Zero 11-Apr-2026 00:46:00 01:07:00 -0.157 0 -.16 3
NOX NOX_Span NOX_Span 11-Apr-2026 04:00:00 04:21:00 428.00 427 1 44.1
Zero Zero 11-Apr-2026 00:46:00 01:07:00 -0.08 0 -.08 3
LN O3 Zero Zero 11-Apr-2026 00:46:00 01:07:00 0.000 0 0.00
M7 NO Zero 11-Apr-2026 00:46:00 01:07:00 -0.05 0 -.05 3
NO2 Zero 11-Apr-2026 00:46:00 01:07:00 0.051 0 .05 3
NOX Zero 11-Apr-2026 00:46:00 01:07:00 0.00 0 0.00 3
O3 O3_Prec O3_Prec 11-Apr-2026 04:30:00 04:51:00 0.071 0.069 0.00
O3_Span O3_Span 11-Apr-2026 04:00:00 04:21:00 0.409 0.404 .01 .4
Zero Zero 11-Apr-2026 00:46:00 01:07:00 0.000 0 0.00
NR CO CO_Prec CO_Prec 11-Apr-2026 04:30:00 04:51:00 3.7 3.6 .14 .4
CO_Span CO_Span 11-Apr-2026 04:00:00 04:21:00 39.5 39.7 -.12 3.8
Zero Zero 11-Apr-2026 00:46:00 01:07:00 0.0 0 -.09 .3
NO Zero 11-Apr-2026 00:46:00 01:07:00 -0.01 0 -.01 3
NO2 Zero 11-Apr-2026 00:46:00 01:07:00 -0.061 0 -.06 3
NOX Zero 11-Apr-2026 00:46:00 01:07:00 -0.08 0 -.08 3
O3 Zero 11-Apr-2026 00:46:00 01:07:00 0.000 0 0.00
P2 NO NOX_Span NOX_Span 11-Apr-2026 04:00:00 04:20:00 425.30 427 -1.7 42
Zero Zero 11-Apr-2026 00:46:00 01:07:00 1.51 0 1.51 3
NO2 Zero 11-Apr-2026 00:46:00 01:07:00 -0.602 0 -.6 3
NOX NOX_Span NOX_Span 11-Apr-2026 04:00:00 04:20:00 431.10 428 3.1 42
Zero Zero 11-Apr-2026 00:46:00 01:07:00 0.91 0 .91 3
O3 Zero 11-Apr-2026 00:46:00 01:07:00 0.000 0 0.00
RP CO Zero 11-Apr-2026 00:46:00 01:07:00 0.0 0 -.1 .3
NO Zero 11-Apr-2026 00:46:00 01:07:00 0.32 0 .32 3
NO2 Zero 11-Apr-2026 00:46:00 01:07:00 -0.199 0 -.2 3
NOX Zero 11-Apr-2026 00:46:00 01:07:00 0.12 0 .12 3
O3 Zero 11-Apr-2026 00:46:00 01:07:00 0.000 0 0.00
SO2 SO2_Prec SO2_Prec 11-Apr-2026 04:35:00 05:05:00 61.770 63.2 -1.43 6.4
SO2_Span SO2_Span 11-Apr-2026 04:00:00 04:30:00 390.100 400 -9.9 40.5
Zero Zero 11-Apr-2026 00:46:00 01:07:00 0.776 0 .78 3
RS NO2TRACE ZERO ZERO 11-Apr-2026 00:46:00 01:07:00 -0.059 0 -.06 3
NOTRACE NOX_Span NOX_Span 11-Apr-2026 04:00:00 04:21:00 357.6 365 -7.4 43.7
ZERO ZERO 11-Apr-2026 00:46:00 01:07:00 0.0 0 .03 3
RS NOXTRACE NOX_Span NOX_Span 11-Apr-2026 04:00:00 04:21:00 359.5 365 -5.5 43.1
ZERO ZERO 11-Apr-2026 00:46:00 01:07:00 0.0 0 -.03 3
SF NO Zero Zero 11-Apr-2026 00:46:00 01:07:00 -0.06 0 -.06 3
NO2 Zero 11-Apr-2026 00:46:00 01:07:00 -0.045 0 -.05 3
NOX Zero 11-Apr-2026 00:46:00 01:07:00 -0.10 0 -.1 3
O3 O3_Prec O3_Prec 11-Apr-2026 04:30:00 04:51:00 0.063 0.063 0.00
O3_Span O3_Span 11-Apr-2026 04:00:00 04:21:00 0.399 0.399 0.00
Zero Zero 11-Apr-2026 00:46:00 01:07:00 -0.001 0 0.00
SM NO NOX_Span NOX_Span 11-Apr-2026 04:00:00 04:21:00 427.40 431.1 -3.7 42.2
Zero Zero 11-Apr-2026 00:46:00 01:07:00 -0.09 0 -.09 3
NO2 Zero 11-Apr-2026 00:46:00 01:07:00 0.190 0 .19 3
NOX NOX_Span NOX_Span 11-Apr-2026 04:00:00 04:21:00 448.30 444.2 4.1 43.2
Zero Zero 11-Apr-2026 00:46:00 01:07:00 0.10 0 .1 3
O3 Zero 11-Apr-2026 00:46:00 01:07:00 -0.002 0 0.00
UT CO Zero 11-Apr-2026 00:46:00 01:07:00 0.0 0 .07 .3
NO Zero 11-Apr-2026 00:46:00 01:07:00 0.011 0 .01 3
NO2 Zero 11-Apr-2026 00:46:00 01:07:00 0.015 0 .02 3
NOX Zero 11-Apr-2026 00:46:00 01:07:00 0.026 0 .03 3
O3 O3_Prec O3_Prec 11-Apr-2026 04:30:00 04:51:00 0.0 0.064 0.00 4.5
O3_Span O3_Span 11-Apr-2026 04:00:00 04:21:00 0.4 0.399 0.00 39.9
Zero Zero 11-Apr-2026 00:46:00 01:07:00 0.0 0 0.00
SO2 Zero 11-Apr-2026 00:46:00 01:07:00 0.615 0 .62 3
V4 NO NOX_Span NOX_Span 11-Apr-2026 04:00:00 04:21:00 380.20 405 -24.8 41.2
Zero Zero 11-Apr-2026 00:46:00 01:07:00 0.17 0 .17 3
NO2 Zero 11-Apr-2026 00:46:00 01:07:00 -0.04 0 -.04 3
NOX NOX_Span NOX_Span 11-Apr-2026 04:00:00 04:21:00 382.60 410 -27.4 41.1
Zero Zero 11-Apr-2026 00:46:00 01:07:00 0.13 0 .13 3
O3 Zero 11-Apr-2026 00:46:00 01:07:00 -0.003 * 0 0.00
* - Drift limit exceeded
** - Out of control limit exceeded

First Report: calibrations2020-03-26.PDF