Latest Calibration Reports

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

Yesterday’s Report: calibrations2026-02-02.CSV

Site Parameter Sequence Phase Start Time End Time Value Expected Value Error Drift Warning Limit
BV NO Zero Zero 02-Feb-2026 00:46:00 01:07:00 0.14 0 .14 3
NO2 Zero 02-Feb-2026 00:46:00 01:07:00 0.104 0 .1 3
NOX Zero 02-Feb-2026 00:46:00 01:07:00 0.24 0 .24 3
O3 Zero 02-Feb-2026 00:46:00 01:07:00 0.000 0 0.00
CV CO Zero 02-Feb-2026 00:46:00 01:07:00 0.0 0 .1 .3
NO Zero 02-Feb-2026 00:46:00 01:07:00 0.06 0 .06 3
NO2 Zero 02-Feb-2026 00:46:00 01:07:00 0.459 0 .46 3
NOX Zero 02-Feb-2026 00:46:00 01:07:00 0.51 0 .51 3
O3 Zero 02-Feb-2026 00:46:00 01:07:00 0.000 0 0.00
SO2 SO2_Prec SO2_Prec 02-Feb-2026 04:30:00 04:50:00 69.070 * 68 1.07
SO2_Span SO2_Span 02-Feb-2026 04:00:00 04:20:00 425.000 * 421 4
Zero Zero 02-Feb-2026 00:46:00 01:07:00 0.462 0 .46 3
ED NO Zero 02-Feb-2026 00:46:00 01:07:00 0.09 0 .09 3
NO2 Zero 02-Feb-2026 00:46:00 01:07:00 0.581 0 .58 3
NOX Zero 02-Feb-2026 00:46:00 01:07:00 0.67 0 .67 3
O3 Zero 02-Feb-2026 00:46:00 01:07:00 -0.001 0 0.00
EN NO NOX_Span NOX_Span 02-Feb-2026 04:00:00 04:21:00 368.70 380 -11.3 42.9
Zero Zero 02-Feb-2026 00:46:00 01:07:00 0.09 0 .09 3
NO2 Zero 02-Feb-2026 00:46:00 01:07:00 -0.014 0 -.01 3
NOX NOX_Span NOX_Span 02-Feb-2026 04:00:00 04:21:00 401.30 407 -5.7 43.2
Zero Zero 02-Feb-2026 00:46:00 01:07:00 0.08 0 .08 3
O3 Zero 02-Feb-2026 00:46:00 01:07:00 0.000 0 0.00
H3 NO NOX_Span NOX_Span 02-Feb-2026 04:00:00 04:21:00 382.70 389 -6.3 41.2
Zero Zero 02-Feb-2026 00:46:00 01:07:00 0.12 0 .12 3
NO2 Zero 02-Feb-2026 00:46:00 01:07:00 0.370 0 .37 3
NOX NOX_Span NOX_Span 02-Feb-2026 04:00:00 04:21:00 390.50 391 -.5 41.2
Zero Zero 02-Feb-2026 00:46:00 01:07:00 0.49 0 .49 3
O3 Zero 02-Feb-2026 00:46:00 01:07:00 0.000 0 0.00
HC NO Zero 02-Feb-2026 00:46:00 01:07:00 0.24 0 .24 3
NO2 Zero 02-Feb-2026 00:46:00 01:07:00 -0.133 0 -.13 3
NOX Zero 02-Feb-2026 00:46:00 01:07:00 0.10 0 .1 3
O3 Zero 02-Feb-2026 00:46:00 01:07:00 0.000 0 0.00
HV CO CO_Prec CO_Prec 02-Feb-2026 04:30:00 04:51:00 4.6 4.32 .34 .4
CO_Span CO_Span 02-Feb-2026 04:00:00 04:21:00 42.9 42.35 .64 3.9
Zero Zero 02-Feb-2026 00:46:00 01:07:00 0.3 * 0 .32 .3
Zero 02-Feb-2026 02:46:00 03:07:00 0.3 * 0 .32 .3
Zero 02-Feb-2026 05:46:00 06:07:00 0.3 * 0 .33 .3
NO Zero 02-Feb-2026 00:46:00 01:07:00 0.14 0 .14 3
Zero 02-Feb-2026 02:46:00 03:07:00 0.12 0 .12 3
Zero 02-Feb-2026 05:46:00 06:07:00 0.19 0 .19 3
NO2 Zero 02-Feb-2026 00:46:00 01:07:00 0.713 0 .71 3
Zero 02-Feb-2026 02:46:00 03:07:00 0.614 0 .61 3
Zero 02-Feb-2026 05:46:00 06:07:00 0.562 0 .56 3
NOX Zero 02-Feb-2026 00:46:00 01:07:00 0.85 0 .85 3
Zero 02-Feb-2026 02:46:00 03:07:00 0.73 0 .73 3
Zero 02-Feb-2026 05:46:00 06:07:00 0.75 0 .75 3
O3 Zero 02-Feb-2026 00:46:00 01:07:00 0.000 0 0.00
Zero 02-Feb-2026 02:46:00 03:07:00 0.000 0 0.00
Zero 02-Feb-2026 05:46:00 06:07:00 0.000 0 0.00
HW CO CO_Prec CO_Prec 02-Feb-2026 05:30:00 05:51:00 1.9 2.031 -.12 .1
CO_Span CO_Span 02-Feb-2026 05:00:00 05:21:00 7.8 * 8.09 -.23
Zero Zero 02-Feb-2026 00:46:00 01:07:00 -0.1 0 -.1 .3
DIFF NOY_Zero NOY_Zero 02-Feb-2026 02:00:00 02:35:00 1.3 0 1.31 3
N500NO Zero Zero 02-Feb-2026 00:46:00 01:07:00 0.147 0 .15 3
N500NO2 Zero 02-Feb-2026 00:46:00 01:07:00 -0.002 0 0.00 3
N500NOX Zero 02-Feb-2026 00:46:00 01:07:00 0.145 * 0 .15
NO Zero 02-Feb-2026 00:46:00 01:07:00 0.02 0 .02 3
NO2 Zero 02-Feb-2026 00:46:00 01:07:00 0.884 0 .88 3
NOX Zero 02-Feb-2026 00:46:00 01:07:00 0.91 0 .91 3
NOY NOY_Zero NOY_Zero 02-Feb-2026 02:00:00 02:35:00 1.4 0 1.37 3
O3 Zero Zero 02-Feb-2026 00:46:00 01:07:00 0.000 0 0.00
SO2TRACE Zero 02-Feb-2026 00:46:00 01:07:00 0.524 0 .52 3
YNO NOY_Zero NOY_Zero 02-Feb-2026 02:00:00 02:35:00 0.1 0 .06 3
LN CO CO_Prec CO_Prec 02-Feb-2026 04:30:00 04:51:00 4.1 3.8 .35 .4
CO_Span CO_Span 02-Feb-2026 04:00:00 04:21:00 44.7 43.2 1.5 4.2
Zero Zero 02-Feb-2026 00:46:00 01:07:00 0.2 0 .2 .3
NO Zero 02-Feb-2026 00:46:00 01:07:00 0.08 0 .08 3
NO2 Zero 02-Feb-2026 00:46:00 01:07:00 0.163 0 .16 3
NOX Zero 02-Feb-2026 00:46:00 01:07:00 0.25 0 .25 3
O3 Zero 02-Feb-2026 00:46:00 01:07:00 0.000 0 0.00
M7 NO Zero 02-Feb-2026 00:46:00 01:07:00 0.07 0 .07 3
NO2 Zero 02-Feb-2026 00:46:00 01:07:00 -0.027 0 -.03 3
NOX Zero 02-Feb-2026 00:46:00 01:07:00 0.04 0 .04 3
O3 Zero 02-Feb-2026 00:46:00 01:07:00 -0.001 0 0.00
NR CO Zero 02-Feb-2026 00:46:00 01:07:00 0.0 0 .07 .3
NO Zero 02-Feb-2026 00:46:00 01:07:00 -0.05 0 -.05 3
NO2 NO2_Prec NO2_Prec 02-Feb-2026 04:31:00 04:57:00 64.470 64 .47 10.8
NO2_Span NO2_Span 02-Feb-2026 04:00:00 04:26:00 260.300 249 11.3 29.7
Zero Zero 02-Feb-2026 00:46:00 01:07:00 1.177 0 1.18 3
NOX Zero 02-Feb-2026 00:46:00 01:07:00 1.13 0 1.13 3
O3 Zero 02-Feb-2026 00:46:00 01:07:00 0.000 0 0.00
P2 NO Zero 02-Feb-2026 00:46:00 01:07:00 -0.03 0 -.03 3
NO2 Zero 02-Feb-2026 00:46:00 01:07:00 -0.091 0 -.09 3
NOX Zero 02-Feb-2026 00:46:00 01:07:00 -0.12 0 -.12 3
O3 Zero 02-Feb-2026 00:46:00 01:07:00 0.000 0 0.00
RP CO Zero 02-Feb-2026 00:46:00 01:07:00 -0.2 0 -.23 .3
NO Zero 02-Feb-2026 00:46:00 01:07:00 0.32 0 .32 3
NO2 NO2_Prec NO2_Prec 02-Feb-2026 04:30:00 04:51:00 66.940 65 1.94 9.9
NO2_Span NO2_Span 02-Feb-2026 04:00:00 04:21:00 248.400 250 -1.6 24.5
Zero Zero 02-Feb-2026 00:46:00 01:07:00 0.920 0 .92 3
NOX Zero 02-Feb-2026 00:46:00 01:07:00 1.24 0 1.24 3
O3 Zero 02-Feb-2026 00:46:00 01:07:00 -0.002 0 0.00
SO2 Zero 02-Feb-2026 00:46:00 01:07:00 0.358 0 .36 3
RS NO2TRACE ZERO ZERO 02-Feb-2026 00:46:00 01:07:00 0.061 0 .06 3
RS NOTRACE ZERO ZERO 02-Feb-2026 00:46:00 01:07:00 0.0 0 .03 3
NOXTRACE ZERO 02-Feb-2026 00:46:00 01:07:00 0.1 0 .09 3
SF NO Zero Zero 02-Feb-2026 00:46:00 01:07:00 0.07 0 .07 3
NO2 Zero 02-Feb-2026 00:46:00 01:07:00 0.602 0 .6 3
NOX Zero 02-Feb-2026 00:46:00 01:07:00 0.67 0 .67 3
O3 Zero 02-Feb-2026 00:46:00 01:07:00 0.000 0 0.00
SM NO Zero 02-Feb-2026 00:46:00 01:07:00 -0.09 0 -.09 3
NO2 Zero 02-Feb-2026 00:46:00 01:07:00 0.709 0 .71 3
NOX Zero 02-Feb-2026 00:46:00 01:07:00 0.62 0 .62 3
O3 Zero 02-Feb-2026 00:46:00 01:07:00 -0.001 0 0.00
UT CO Zero 02-Feb-2026 00:46:00 01:07:00 0.0 0 .09 .3
NO Zero 02-Feb-2026 00:46:00 01:07:00 0.065 0 .07 3
NO2 Zero 02-Feb-2026 00:46:00 01:07:00 0.833 0 .83 3
NOX Zero 02-Feb-2026 00:46:00 01:07:00 0.898 0 .9 3
O3 Zero 02-Feb-2026 00:46:00 01:07:00 0.0 0 0.00
SO2 SO2_Prec SO2_Prec 02-Feb-2026 04:30:00 04:51:00 60.510 60 .51 6.2
SO2_Span SO2_Span 02-Feb-2026 04:00:00 04:21:00 384.400 384 .4 37
Zero Zero 02-Feb-2026 00:46:00 01:07:00 0.223 0 .22 3
V4 NO Zero 02-Feb-2026 00:46:00 01:07:00 0.10 0 .1 3
NO2 Zero 02-Feb-2026 00:46:00 01:07:00 -0.01 0 -.01 3
NOX Zero 02-Feb-2026 00:46:00 01:07:00 0.10 0 .1 3
O3 Zero 02-Feb-2026 00:46:00 01:07:00 -0.001 0 0.00
* - Drift limit exceeded
** - Out of control limit exceeded

First Report: calibrations2020-03-26.PDF