Latest Calibration Reports

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

Yesterday’s Report: calibrations2026-09-22.CSV

Site Parameter Sequence Phase Start Time End Time Value Expected Value Error Drift Warning Limit
BV NO Zero Zero 22-Sep-2026 00:46:00 01:07:00 0.04 0 .04 3
NO2 Zero 22-Sep-2026 00:46:00 01:07:00 0.040 0 .04 3
NOX Zero 22-Sep-2026 00:46:00 01:07:00 0.08 0 .08 3
O3 Zero 22-Sep-2026 00:46:00 01:07:00 0.000 0 0.00
CV CO CO_Prec CO_Prec 22-Sep-2026 04:30:00 04:51:00 1.9 2.1 -.11 .2
CO_Span CO_Span 22-Sep-2026 04:00:00 04:21:00 7.8 7.9 -.08 .8
Zero Zero 22-Sep-2026 00:46:00 01:07:00 0.0 0 .02 .3
NO Zero 22-Sep-2026 00:46:00 01:07:00 0.01 0 .01 3
NO2 Zero 22-Sep-2026 00:46:00 01:07:00 -0.048 0 -.05 3
NOX Zero 22-Sep-2026 00:46:00 01:07:00 -0.04 0 -.04 3
O3 Zero 22-Sep-2026 00:46:00 01:07:00 0.000 0 0.00
SO2 Zero 22-Sep-2026 00:46:00 01:07:00 0.400 0 .4 3
ED NO Zero 22-Sep-2026 00:46:00 01:07:00 -0.02 0 -.02 3
NO2 Zero 22-Sep-2026 00:46:00 01:07:00 0.030 0 .03 3
NOX Zero 22-Sep-2026 00:46:00 01:07:00 0.01 0 .01 3
O3 Zero 22-Sep-2026 00:46:00 01:07:00 0.000 0 0.00
EN NO Zero 22-Sep-2026 00:46:00 01:07:00 -0.19 0 -.19 3
NO2 Zero 22-Sep-2026 00:46:00 01:07:00 0.025 0 .03 3
NOX Zero 22-Sep-2026 00:46:00 01:07:00 -0.17 0 -.17 3
O3 Zero 22-Sep-2026 00:46:00 01:07:00 0.000 0 0.00
H3 NO Zero 22-Sep-2026 00:46:00 01:07:00 -0.10 0 -.1 3
NO2 Zero 22-Sep-2026 00:46:00 01:07:00 0.124 0 .12 3
NOX Zero 22-Sep-2026 00:46:00 01:07:00 0.03 0 .03 3
O3 Zero 22-Sep-2026 00:46:00 01:07:00 0.000 0 0.00
HC NO Zero 22-Sep-2026 00:46:00 01:07:00 0.26 0 .26 3
NO2 Zero 22-Sep-2026 00:46:00 01:07:00 -0.359 0 -.36 3
NOX Zero 22-Sep-2026 00:46:00 01:07:00 -0.10 0 -.1 3
O3 Zero 22-Sep-2026 00:46:00 01:07:00 0.000 0 0.00
HV CO Zero 22-Sep-2026 00:46:00 01:07:00 0.1 0 .14 .3
NO Zero 22-Sep-2026 00:46:00 01:07:00 0.02 0 .02 3
NO2 Zero 22-Sep-2026 00:46:00 01:07:00 0.173 0 .17 3
NOX Zero 22-Sep-2026 00:46:00 01:07:00 0.20 0 .2 3
HV O3 Zero Zero 22-Sep-2026 00:46:00 01:07:00 0.000 0 0.00
HW CO Zero 22-Sep-2026 00:46:00 01:07:00 -0.1 0 -.12 .3
DIFF NOY_Zero NOY_Zero 22-Sep-2026 02:00:00 02:35:00 0.1 0 .05 3
N500NO Zero Zero 22-Sep-2026 00:46:00 01:07:00 0.088 0 .09 3
N500NO2 N5NO2PRC N5NO2PRC 22-Sep-2026 06:31:00 06:56:00 64.360 68 -3.64 9.8
N5NO2SPA N5NO2SPA 22-Sep-2026 06:00:00 06:25:00 162.500 161 1.5 35.4
Zero Zero 22-Sep-2026 00:46:00 01:07:00 0.020 0 .02 3
N500NOX Zero 22-Sep-2026 00:46:00 01:07:00 0.108 * 0 .11
NO Zero 22-Sep-2026 00:46:00 01:07:00 0.06 0 .06 3
NO2 Zero 22-Sep-2026 00:46:00 01:07:00 0.008 0 .01 3
NOX Zero 22-Sep-2026 00:46:00 01:07:00 0.07 0 .07 3
NOY NOY_Zero NOY_Zero 22-Sep-2026 02:00:00 02:35:00 0.0 0 .03 3
O3 Zero Zero 22-Sep-2026 00:46:00 01:07:00 0.000 0 0.00
SO2TRACE SO2_Prec SO2_Prec 22-Sep-2026 04:36:00 05:02:00 20.370 20.5 -.13 2
SO2_Span SO2_Span 22-Sep-2026 04:00:00 04:26:00 80.200 81.5 -1.3 8
Zero Zero 22-Sep-2026 00:46:00 01:07:00 0.722 0 .72 3
YNO NOY_Zero NOY_Zero 22-Sep-2026 02:00:00 02:35:00 0.0 0 -.03 3
LN CO Zero Zero 22-Sep-2026 00:46:00 01:07:00 0.0 0 -.02 .3
NO Zero 22-Sep-2026 00:46:00 01:07:00 0.04 0 .04 3
NO2 Zero 22-Sep-2026 00:46:00 01:07:00 -0.099 0 -.1 3
NOX Zero 22-Sep-2026 00:46:00 01:07:00 -0.06 0 -.06 3
O3 Zero 22-Sep-2026 00:46:00 01:07:00 0.000 0 0.00
M7 NO Zero 22-Sep-2026 00:46:00 01:07:00 0.28 0 .28 3
NO2 Zero 22-Sep-2026 00:46:00 01:07:00 -0.050 0 -.05 3
NOX Zero 22-Sep-2026 00:46:00 01:07:00 0.23 0 .23 3
O3 Zero 22-Sep-2026 00:46:00 01:07:00 0.000 0 0.00
NR CO Zero 22-Sep-2026 00:46:00 01:07:00 0.0 0 -.08 .3
NO Zero 22-Sep-2026 00:46:00 01:07:00 -0.02 0 -.02 3
NO2 Zero 22-Sep-2026 00:46:00 01:07:00 0.221 0 .22 3
NOX Zero 22-Sep-2026 00:46:00 01:07:00 0.21 0 .21 3
O3 Zero 22-Sep-2026 00:46:00 01:07:00 -0.001 0 0.00
P2 NO Zero Zero 22-Sep-2026 00:46:00 01:07:00 2.08 0 2.08 3
NO2 Zero 22-Sep-2026 00:46:00 01:07:00 -0.485 0 -.49 3
NOX Zero 22-Sep-2026 00:46:00 01:07:00 1.60 0 1.6 3
O3 Zero 22-Sep-2026 00:46:00 01:07:00 0.000 0 0.00
RP CO CO_Prec CO_Prec 22-Sep-2026 04:30:00 04:51:00 3.9 4.1 -.15 .4
CO_Span CO_Span 22-Sep-2026 04:00:00 04:21:00 39.4 39.8 -.37 4
Zero Zero 22-Sep-2026 00:46:00 01:07:00 -0.1 0 -.13 .3
NO Zero 22-Sep-2026 00:46:00 01:07:00 0.16 0 .16 3
NO2 Zero 22-Sep-2026 00:46:00 01:07:00 0.013 0 .01 3
NOX Zero 22-Sep-2026 00:46:00 01:07:00 0.17 0 .17 3
O3 Zero 22-Sep-2026 00:46:00 01:07:00 0.000 0 0.00
SO2 Zero 22-Sep-2026 00:46:00 01:07:00 0.407 0 .41 3
RS NO2TRACE ZERO ZERO 22-Sep-2026 00:46:00 01:07:00 -1.536 0 -1.54 3
ZERO 22-Sep-2026 02:46:00 03:07:00 -1.576 0 -1.58 3
ZERO 22-Sep-2026 04:46:00 05:07:00 -1.612 0 -1.61 3
NOTRACE ZERO 22-Sep-2026 00:46:00 01:07:00 0.0 0 -.01 3
ZERO 22-Sep-2026 02:46:00 03:07:00 0.0 0 0.00 3
ZERO 22-Sep-2026 04:46:00 05:07:00 0.0 0 .01 3
NOXTRACE ZERO 22-Sep-2026 00:46:00 01:07:00 -1.5 0 -1.55 3
ZERO 22-Sep-2026 02:46:00 03:07:00 -1.6 0 -1.58 3
ZERO 22-Sep-2026 04:46:00 05:07:00 -1.6 0 -1.61 3
SF NO Zero Zero 22-Sep-2026 00:46:00 01:07:00 0.09 0 .09 3
NO2 Zero 22-Sep-2026 00:46:00 01:07:00 0.076 0 .08 3
NOX Zero 22-Sep-2026 00:46:00 01:07:00 0.17 0 .17 3
O3 Zero 22-Sep-2026 00:46:00 01:07:00 0.000 0 0.00
SM NO Zero 22-Sep-2026 00:46:00 01:07:00 0.09 0 .09 3
NO2 Zero 22-Sep-2026 00:46:00 01:07:00 -1.121 0 -1.12 3
NOX Zero 22-Sep-2026 00:46:00 01:07:00 -1.03 0 -1.03 3
O3 Zero 22-Sep-2026 00:46:00 01:07:00 0.000 0 0.00
UT CO Zero 22-Sep-2026 06:38:00 06:59:00 0.6 * 0 .65 .3
NO Zero 22-Sep-2026 06:38:00 06:59:00 6.421 * 0 6.42 3
UT NO2 Zero Zero 22-Sep-2026 06:38:00 06:59:00 -0.022 0 -.02 3
NOX Zero 22-Sep-2026 06:38:00 06:59:00 6.399 * 0 6.4 3
O3 Zero 22-Sep-2026 06:38:00 06:59:00 0.0 * 0 .01
SO2 Zero 22-Sep-2026 06:38:00 06:59:00 0.661 0 .66 3
V4 NO Zero 22-Sep-2026 00:46:00 01:07:00 0.04 0 .04 3
NO2 Zero 22-Sep-2026 00:46:00 01:07:00 0.05 0 .05 3
NOX Zero 22-Sep-2026 00:46:00 01:07:00 0.09 0 .09 3
O3 Zero 22-Sep-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