Latest Calibration Reports

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

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

Site Parameter Sequence Phase Start Time End Time Value Expected Value Error Drift Warning Limit
BV NO Zero Zero 04-Apr-2026 00:46:00 01:07:00 0.00 0 0.00 3
NO2 NO2_Prec NO2_Prec 04-Apr-2026 04:30:00 04:51:00 72.330 71 1.33 10.4
NO2_Span NO2_Span 04-Apr-2026 04:00:00 04:21:00 266.400 * 257 9.4
Zero Zero 04-Apr-2026 00:46:00 01:07:00 -0.060 0 -.06 3
NOX Zero 04-Apr-2026 00:46:00 01:07:00 -0.06 0 -.06 3
O3 Zero 04-Apr-2026 00:46:00 01:07:00 0.000 0 0.00
CV CO Zero 04-Apr-2026 00:46:00 01:07:00 0.0 0 .07 .3
NO Zero 04-Apr-2026 00:46:00 01:07:00 0.06 0 .06 3
NO2 NO2_Prec NO2_Prec 04-Apr-2026 04:30:00 04:51:00 64.740 64.3 .44 11.4
NO2_Span NO2_Span 04-Apr-2026 04:00:00 04:21:00 273.800 251.2 22.6 34.1
Zero Zero 04-Apr-2026 00:46:00 01:07:00 -0.107 0 -.11 3
NOX Zero 04-Apr-2026 00:46:00 01:07:00 -0.05 0 -.05 3
O3 Zero 04-Apr-2026 00:46:00 01:07:00 0.000 0 0.00
SO2 Zero 04-Apr-2026 00:46:00 01:07:00 0.367 0 .37 3
ED NO Zero 04-Apr-2026 00:46:00 01:07:00 -0.01 0 -.01 3
NO2 NO2_Prec NO2_Prec 04-Apr-2026 04:35:00 04:56:00 74.610 74 .61 10.2
NO2_Span NO2_Span 04-Apr-2026 04:00:00 04:21:00 258.400 260 -1.6 21.1
Zero Zero 04-Apr-2026 00:46:00 01:07:00 -0.052 0 -.05 3
NOX Zero 04-Apr-2026 00:46:00 01:07:00 -0.06 0 -.06 3
O3 Zero 04-Apr-2026 00:46:00 01:07:00 -0.001 0 0.00
EN NO Zero 04-Apr-2026 00:46:00 01:07:00 -0.22 0 -.22 3
NO2 Zero 04-Apr-2026 00:46:00 01:07:00 -0.079 0 -.08 3
NOX Zero 04-Apr-2026 00:46:00 01:07:00 -0.30 0 -.3 3
O3 O3_Prec O3_Prec 04-Apr-2026 04:30:00 04:51:00 0.061 0.061 0.00
O3_Span O3_Span 04-Apr-2026 04:00:00 04:21:00 0.406 0.406 0.00
Zero Zero 04-Apr-2026 00:46:00 01:07:00 0.000 0 0.00
H3 NO Zero 04-Apr-2026 00:46:00 01:07:00 -0.02 0 -.02 3
NO2 Zero 04-Apr-2026 00:46:00 01:07:00 0.026 0 .03 3
NOX Zero 04-Apr-2026 00:46:00 01:07:00 0.00 0 0.00 3
O3 O3_Prec O3_Prec 04-Apr-2026 04:30:00 04:50:00 0.067 0.0675 0.00
O3_Span O3_Span 04-Apr-2026 04:00:00 04:21:00 0.401 0.404 0.00
Zero Zero 04-Apr-2026 00:46:00 01:07:00 0.000 0 0.00
HC NO Zero Zero 04-Apr-2026 00:46:00 01:07:00 0.24 0 .24 3
NO2 Zero 04-Apr-2026 00:46:00 01:07:00 -0.507 0 -.51 3
NOX Zero 04-Apr-2026 00:46:00 01:07:00 -0.27 0 -.27 3
O3 Zero 04-Apr-2026 00:46:00 01:07:00 -0.001 0 0.00
HV CO Zero 04-Apr-2026 00:46:00 01:07:00 0.0 0 .07 .3
NO NOX_Span NOX_Span 04-Apr-2026 04:00:00 04:20:00 365.30 369 -3.7 42.2
Zero Zero 04-Apr-2026 00:46:00 01:07:00 -0.02 0 -.02 3
NO2 Zero 04-Apr-2026 00:46:00 01:07:00 -0.023 0 -.02 3
NOX NOX_Span NOX_Span 04-Apr-2026 04:00:00 04:20:00 385.00 386 -1 43
Zero Zero 04-Apr-2026 00:46:00 01:07:00 -0.04 0 -.04 3
O3 Zero 04-Apr-2026 00:46:00 01:07:00 0.000 0 0.00
HW CO Zero 04-Apr-2026 00:46:00 01:07:00 0.1 0 .11 .3
DIFF NOY_Zero NOY_Zero 04-Apr-2026 02:00:00 02:35:00 0.2 0 .15 3
N500NO Zero Zero 04-Apr-2026 00:46:00 01:07:00 -0.100 0 -.1 3
N500NO2 Zero 04-Apr-2026 00:46:00 01:07:00 -0.039 0 -.04 3
N500NOX Zero 04-Apr-2026 00:46:00 01:07:00 -0.139 * 0 -.14
NO Zero 04-Apr-2026 00:46:00 01:07:00 0.07 0 .07 3
NO2 NO2_Prec NO2_Prec 04-Apr-2026 04:30:00 04:51:00 65.320 65.5 -.18 11.1
NO2_Span NO2_Span 04-Apr-2026 04:00:00 04:21:00 259.800 269.7 -9.9 29
Zero Zero 04-Apr-2026 00:46:00 01:07:00 0.042 0 .04 3
NOX Zero 04-Apr-2026 00:46:00 01:07:00 0.11 0 .11 3
NOY NOY_Zero NOY_Zero 04-Apr-2026 02:00:00 02:35:00 0.1 0 .12 3
O3 Zero Zero 04-Apr-2026 00:46:00 01:07:00 0.000 0 0.00
SO2TRACE Zero 04-Apr-2026 00:46:00 01:07:00 0.585 0 .59 3
YNO NOY_Zero NOY_Zero 04-Apr-2026 02:00:00 02:35:00 0.0 0 -.03 3
LN CO Zero Zero 04-Apr-2026 00:46:00 01:07:00 0.0 0 .03 .3
NO NOX_Span NOX_Span 04-Apr-2026 04:00:00 04:21:00 414.20 404 10.2 43.4
Zero Zero 04-Apr-2026 00:46:00 01:07:00 -0.05 0 -.05 3
NO2 Zero 04-Apr-2026 00:46:00 01:07:00 -0.099 0 -.1 3
NOX NOX_Span NOX_Span 04-Apr-2026 04:00:00 04:21:00 425.60 427 -1.4 44.1
Zero Zero 04-Apr-2026 00:46:00 01:07:00 -0.15 0 -.15 3
LN O3 Zero Zero 04-Apr-2026 00:46:00 01:07:00 0.000 0 0.00
M7 NO Zero 04-Apr-2026 00:46:00 01:07:00 -0.02 0 -.02 3
NO2 Zero 04-Apr-2026 00:46:00 01:07:00 0.001 0 0.00 3
NOX Zero 04-Apr-2026 00:46:00 01:07:00 -0.02 0 -.02 3
O3 O3_Prec O3_Prec 04-Apr-2026 04:30:00 04:51:00 0.070 0.069 0.00
O3_Span O3_Span 04-Apr-2026 04:00:00 04:21:00 0.407 0.404 0.00 .4
Zero Zero 04-Apr-2026 00:46:00 01:07:00 0.000 0 0.00
NR CO CO_Prec CO_Prec 04-Apr-2026 04:30:00 04:51:00 3.7 3.6 .12 .4
CO_Span CO_Span 04-Apr-2026 04:00:00 04:21:00 39.5 39.7 -.19 3.8
Zero Zero 04-Apr-2026 00:46:00 01:07:00 -0.1 0 -.1 .3
NO Zero 04-Apr-2026 00:46:00 01:07:00 0.01 0 .01 3
NO2 Zero 04-Apr-2026 00:46:00 01:07:00 -0.108 0 -.11 3
NOX Zero 04-Apr-2026 00:46:00 01:07:00 -0.10 0 -.1 3
O3 Zero 04-Apr-2026 00:46:00 01:07:00 0.000 0 0.00
P2 NO NOX_Span NOX_Span 04-Apr-2026 04:00:00 04:20:00 425.70 427 -1.3 42
Zero Zero 04-Apr-2026 00:46:00 01:07:00 1.40 0 1.4 3
NO2 Zero 04-Apr-2026 00:46:00 01:07:00 -0.569 0 -.57 3
NOX NOX_Span NOX_Span 04-Apr-2026 04:00:00 04:20:00 431.10 428 3.1 42
Zero Zero 04-Apr-2026 00:46:00 01:07:00 0.83 0 .83 3
O3 Zero 04-Apr-2026 00:46:00 01:07:00 0.000 0 0.00
RP CO Zero 04-Apr-2026 00:46:00 01:07:00 0.0 0 -.06 .3
NO Zero 04-Apr-2026 00:46:00 01:07:00 0.45 0 .45 3
NO2 Zero 04-Apr-2026 00:46:00 01:07:00 -0.214 0 -.21 3
NOX Zero 04-Apr-2026 00:46:00 01:07:00 0.23 0 .23 3
O3 Zero 04-Apr-2026 00:46:00 01:07:00 0.000 0 0.00
SO2 SO2_Prec SO2_Prec 04-Apr-2026 04:35:00 05:05:00 60.070 63.2 -3.13 6.4
SO2_Span SO2_Span 04-Apr-2026 04:00:00 04:30:00 387.500 400 -12.5 40.5
Zero Zero 04-Apr-2026 00:46:00 01:07:00 0.404 0 .4 3
RS NO2TRACE ZERO ZERO 04-Apr-2026 00:46:00 01:07:00 -0.095 0 -.1 3
NOTRACE NOX_Span NOX_Span 04-Apr-2026 04:00:00 04:21:00 356.8 365 -8.2 43.7
ZERO ZERO 04-Apr-2026 00:46:00 01:07:00 0.0 0 .03 3
RS NOXTRACE NOX_Span NOX_Span 04-Apr-2026 04:00:00 04:21:00 359.9 365 -5.1 43.1
ZERO ZERO 04-Apr-2026 00:46:00 01:07:00 -0.1 0 -.06 3
SF NO Zero Zero 04-Apr-2026 00:46:00 01:07:00 -0.02 0 -.02 3
NO2 Zero 04-Apr-2026 00:46:00 01:07:00 -0.003 0 0.00 3
NOX Zero 04-Apr-2026 00:46:00 01:07:00 -0.02 0 -.02 3
O3 O3_Prec O3_Prec 04-Apr-2026 04:30:00 04:51:00 0.063 0.063 0.00
O3_Span O3_Span 04-Apr-2026 04:00:00 04:21:00 0.398 0.399 0.00
Zero Zero 04-Apr-2026 00:46:00 01:07:00 0.000 0 0.00
SM NO NOX_Span NOX_Span 04-Apr-2026 04:00:00 04:21:00 423.90 * 348 75.9 42.2
Zero Zero 04-Apr-2026 00:46:00 01:07:00 -0.12 0 -.12 3
NO2 Zero 04-Apr-2026 00:46:00 01:07:00 0.094 0 .09 3
NOX NOX_Span NOX_Span 04-Apr-2026 04:00:00 04:21:00 440.40 * 363 77.4 43.2
Zero Zero 04-Apr-2026 00:46:00 01:07:00 -0.03 0 -.03 3
O3 Zero 04-Apr-2026 00:46:00 01:07:00 -0.001 0 0.00
UT CO Zero 04-Apr-2026 00:46:00 01:07:00 0.0 0 .07 .3
NO Zero 04-Apr-2026 00:46:00 01:07:00 0.101 0 .1 3
NO2 Zero 04-Apr-2026 00:46:00 01:07:00 -0.012 0 -.01 3
NOX Zero 04-Apr-2026 00:46:00 01:07:00 0.089 0 .09 3
O3 O3_Prec O3_Prec 04-Apr-2026 04:30:00 04:51:00 0.0 0.065 0.00 4.5
O3_Span O3_Span 04-Apr-2026 04:00:00 04:21:00 0.3 0.4 0.00 39.9
Zero Zero 04-Apr-2026 00:46:00 01:07:00 0.0 0 0.00
SO2 Zero 04-Apr-2026 00:46:00 01:07:00 0.543 0 .54 3
V4 NO NOX_Span NOX_Span 04-Apr-2026 04:00:00 04:21:00 379.60 405 -25.4 41.2
Zero Zero 04-Apr-2026 00:46:00 01:07:00 0.07 0 .07 3
NO2 Zero 04-Apr-2026 00:46:00 01:07:00 -0.08 0 -.08 3
NOX NOX_Span NOX_Span 04-Apr-2026 04:00:00 04:21:00 382.10 410 -27.9 41.1
Zero Zero 04-Apr-2026 00:46:00 01:07:00 -0.01 0 -.01 3
O3 Zero 04-Apr-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