Latest Calibration Reports

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

Yesterday’s Report: calibrations2026-07-25.CSV

Site Parameter Sequence Phase Start Time End Time Value Expected Value Error Drift Warning Limit
BV NO Zero Zero 25-Jul-2026 00:46:00 01:07:00 -0.04 0 -.04 3
NO2 NO2_Span NO2_Span 25-Jul-2026 04:00:00 04:21:00 273.800 * 260 13.8
Zero Zero 25-Jul-2026 00:46:00 01:07:00 -0.031 0 -.03 3
NOX Zero 25-Jul-2026 00:46:00 01:07:00 -0.07 0 -.07 3
O3 Zero 25-Jul-2026 00:46:00 01:07:00 0.000 0 0.00
CV CO Zero 25-Jul-2026 00:46:00 01:07:00 0.0 0 .03 .3
NO Zero 25-Jul-2026 00:46:00 01:07:00 -0.62 0 -.62 3
NO2 NO2_Span NO2_Span 25-Jul-2026 04:00:00 04:21:00 269.400 244 25.4 34.1
Zero Zero 25-Jul-2026 00:46:00 01:07:00 -0.034 0 -.03 3
NOX Zero 25-Jul-2026 00:46:00 01:07:00 -0.65 0 -.65 3
O3 Zero 25-Jul-2026 00:46:00 01:07:00 0.000 0 0.00
SO2 Zero 25-Jul-2026 00:46:00 01:07:00 0.231 0 .23 3
ED NO Zero 25-Jul-2026 00:46:00 01:07:00 0.02 0 .02 3
NO2 NO2_Span NO2_Span 25-Jul-2026 04:00:00 04:21:00 256.900 259 -2.1 21.1
Zero Zero 25-Jul-2026 00:46:00 01:07:00 0.061 0 .06 3
NOX Zero 25-Jul-2026 00:46:00 01:07:00 0.08 0 .08 3
O3 Zero 25-Jul-2026 00:46:00 01:07:00 0.000 0 0.00
EN NO Zero 25-Jul-2026 00:46:00 01:07:00 -0.19 0 -.19 3
NO2 Zero 25-Jul-2026 00:46:00 01:07:00 0.190 0 .19 3
NOX Zero 25-Jul-2026 00:46:00 01:07:00 0.00 0 0.00 3
O3 O3_Span O3_Span 25-Jul-2026 04:00:00 04:21:00 0.405 0.406 0.00
Zero Zero 25-Jul-2026 00:46:00 01:07:00 0.000 0 0.00
H3 NO Zero 25-Jul-2026 00:46:00 01:07:00 -0.08 0 -.08 3
NO2 Zero 25-Jul-2026 00:46:00 01:07:00 0.255 0 .26 3
NOX Zero 25-Jul-2026 00:46:00 01:07:00 0.18 0 .18 3
O3 O3_Span O3_Span 25-Jul-2026 04:00:00 04:21:00 0.398 0.405 -.01
Zero Zero 25-Jul-2026 00:46:00 01:07:00 0.000 0 0.00
HC NO Zero 25-Jul-2026 00:46:00 01:07:00 0.13 0 .13 3
NO2 Zero 25-Jul-2026 00:46:00 01:07:00 -0.264 0 -.26 3
NOX Zero 25-Jul-2026 00:46:00 01:07:00 -0.13 0 -.13 3
O3 Zero 25-Jul-2026 00:46:00 01:07:00 0.000 0 0.00
HV CO Zero 25-Jul-2026 00:46:00 01:07:00 0.2 0 .25 .3
HV NO NOX_Span NOX_Span 25-Jul-2026 04:00:00 04:20:00 352.00 369 -17 42.2
Zero Zero 25-Jul-2026 00:46:00 01:07:00 -0.03 0 -.03 3
NO2 Zero 25-Jul-2026 00:46:00 01:07:00 0.157 0 .16 3
NOX NOX_Span NOX_Span 25-Jul-2026 04:00:00 04:20:00 377.70 384 -6.3 43
Zero Zero 25-Jul-2026 00:46:00 01:07:00 0.13 0 .13 3
O3 Zero 25-Jul-2026 00:46:00 01:07:00 0.000 0 0.00
HW CO Zero 25-Jul-2026 00:46:00 01:07:00 0.0 0 0.00 .3
DIFF NOY_Zero NOY_Zero 25-Jul-2026 02:00:00 02:35:00 1.0 0 .99 3
N500NO Zero Zero 25-Jul-2026 00:46:00 01:07:00 0.060 0 .06 3
N500NO2 Zero 25-Jul-2026 00:46:00 01:07:00 0.042 0 .04 3
N500NOX Zero 25-Jul-2026 00:46:00 01:07:00 0.102 * 0 .1
NO Zero 25-Jul-2026 00:46:00 01:07:00 0.10 0 .1 3
NO2 NO2_Span NO2_Span 25-Jul-2026 04:00:00 04:21:00 260.600 267.3 -6.7 29
Zero Zero 25-Jul-2026 00:46:00 01:07:00 0.016 0 .02 3
NOX Zero 25-Jul-2026 00:46:00 01:07:00 0.12 0 .12 3
NOY NOY_Zero NOY_Zero 25-Jul-2026 02:00:00 02:35:00 1.0 0 .95 3
O3 Zero Zero 25-Jul-2026 00:46:00 01:07:00 0.000 0 0.00
SO2TRACE Zero 25-Jul-2026 00:46:00 01:07:00 0.586 0 .59 3
YNO NOY_Zero NOY_Zero 25-Jul-2026 02:00:00 02:35:00 0.0 0 -.04 3
LN CO Zero Zero 25-Jul-2026 00:46:00 01:07:00 0.0 0 .1 .3
NO NOX_Span NOX_Span 25-Jul-2026 04:00:00 04:21:00 414.10 428 -13.9 43.4
Zero Zero 25-Jul-2026 00:46:00 01:07:00 0.22 0 .22 3
NO2 Zero 25-Jul-2026 00:46:00 01:07:00 0.089 0 .09 3
NOX NOX_Span NOX_Span 25-Jul-2026 04:00:00 04:21:00 430.20 431.8 -1.6 44.1
Zero Zero 25-Jul-2026 00:46:00 01:07:00 0.31 0 .31 3
O3 Zero 25-Jul-2026 00:46:00 01:07:00 0.000 0 0.00
M7 NO Zero 25-Jul-2026 00:46:00 01:07:00 0.05 0 .05 3
NO2 Zero 25-Jul-2026 00:46:00 01:07:00 0.053 0 .05 3
NOX Zero 25-Jul-2026 00:46:00 01:07:00 0.10 0 .1 3
O3 O3_Span O3_Span 25-Jul-2026 04:00:00 04:21:00 0.420 0.409 .01 .4
Zero Zero 25-Jul-2026 00:46:00 01:07:00 0.000 0 0.00
NR CO CO_Span CO_Span 25-Jul-2026 04:00:00 04:21:00 38.9 39.7 -.78 3.8
Zero Zero 25-Jul-2026 00:46:00 01:07:00 0.0 0 -.07 .3
NO Zero 25-Jul-2026 00:46:00 01:07:00 0.00 0 0.00 3
NO2 Zero 25-Jul-2026 00:46:00 01:07:00 0.074 0 .07 3
NOX Zero 25-Jul-2026 00:46:00 01:07:00 0.08 0 .08 3
O3 Zero 25-Jul-2026 00:46:00 01:07:00 0.000 0 0.00
P2 NO NOX_Span NOX_Span 25-Jul-2026 04:00:00 04:20:00 380.70 378 2.7 42
Zero Zero 25-Jul-2026 00:46:00 01:07:00 0.90 0 .9 3
NO2 Zero 25-Jul-2026 00:46:00 01:07:00 -0.186 0 -.19 3
NOX NOX_Span NOX_Span 25-Jul-2026 04:00:00 04:20:00 391.30 381 10.3 42
Zero Zero 25-Jul-2026 00:46:00 01:07:00 0.71 0 .71 3
O3 Zero 25-Jul-2026 00:46:00 01:07:00 0.000 0 0.00
RP CO Zero 25-Jul-2026 00:46:00 01:07:00 0.0 0 .02 .3
NO Zero 25-Jul-2026 00:46:00 01:07:00 0.05 0 .05 3
NO2 Zero 25-Jul-2026 00:46:00 01:07:00 0.049 0 .05 3
NOX Zero 25-Jul-2026 00:46:00 01:07:00 0.10 0 .1 3
O3 Zero 25-Jul-2026 00:46:00 01:07:00 -0.001 0 0.00
SO2 SO2_Span SO2_Span 25-Jul-2026 04:00:00 04:30:00 397.800 407 -9.2 40.5
Zero Zero 25-Jul-2026 00:46:00 01:07:00 0.100 0 .1 3
RS NO2TRACE ZERO ZERO 25-Jul-2026 00:46:00 01:07:00 -1.524 0 -1.52 3
NOTRACE NOX_Span NOX_Span 25-Jul-2026 04:00:00 04:21:00 386.2 395 -8.8 43.7
ZERO ZERO 25-Jul-2026 00:46:00 01:07:00 0.2 0 .19 3
NOXTRACE NOX_Span NOX_Span 25-Jul-2026 04:00:00 04:21:00 385.6 394 -8.4 43.1
ZERO ZERO 25-Jul-2026 00:46:00 01:07:00 -1.3 0 -1.33 3
SF NO Zero Zero 25-Jul-2026 00:46:00 01:07:00 0.01 0 .01 3
NO2 Zero 25-Jul-2026 00:46:00 01:07:00 0.162 0 .16 3
NOX Zero 25-Jul-2026 00:46:00 01:07:00 0.18 0 .18 3
O3 O3_Span O3_Span 25-Jul-2026 04:00:00 04:21:00 0.401 0.401 0.00
Zero Zero 25-Jul-2026 00:46:00 01:07:00 0.000 0 0.00
SM NO NOX_Span NOX_Span 25-Jul-2026 04:00:00 04:21:00 382.10 387.3 -5.2 42.2
Zero Zero 25-Jul-2026 00:46:00 01:07:00 0.22 0 .22 3
SM NO2 Zero Zero 25-Jul-2026 00:46:00 01:07:00 0.045 0 .05 3
NOX NOX_Span NOX_Span 25-Jul-2026 04:00:00 04:21:00 399.10 399.7 -.6 43.2
Zero Zero 25-Jul-2026 00:46:00 01:07:00 0.27 0 .27 3
O3 Zero 25-Jul-2026 00:46:00 01:07:00 -0.001 0 0.00
UT CO Zero 25-Jul-2026 00:46:00 01:07:00 0.0 0 -.08 .3
NO Zero 25-Jul-2026 00:46:00 01:07:00 0.048 0 .05 3
NO2 Zero 25-Jul-2026 00:46:00 01:07:00 0.020 0 .02 3
NOX Zero 25-Jul-2026 00:46:00 01:07:00 0.068 0 .07 3
O3 O3_Span O3_Span 25-Jul-2026 04:00:00 04:21:00 0.3 0.404 -.01 39.9
Zero Zero 25-Jul-2026 00:46:00 01:07:00 0.0 0 0.00
SO2 Zero 25-Jul-2026 00:46:00 01:07:00 0.327 0 .33 3
V4 NO NOX_Span NOX_Span 25-Jul-2026 04:00:00 04:21:00 392.10 393 -.9 41.2
Zero Zero 25-Jul-2026 00:46:00 01:07:00 0.05 0 .05 3
NO2 Zero 25-Jul-2026 00:46:00 01:07:00 0.10 0 .1 3
NOX NOX_Span NOX_Span 25-Jul-2026 04:00:00 04:21:00 392.50 391 1.5 41.1
Zero Zero 25-Jul-2026 00:46:00 01:07:00 0.14 0 .14 3
O3 Zero 25-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