Latest Calibration Reports

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

Yesterday’s Report: calibrations2026-04-21.CSV

Site Parameter Sequence Phase Start Time End Time Value Expected Value Error Drift Warning Limit
BV NO Zero Zero 21-Apr-2026 00:46:00 01:07:00 -0.03 0 -.03 3
NO2 Zero 21-Apr-2026 00:46:00 01:07:00 -0.033 0 -.03 3
NOX Zero 21-Apr-2026 00:46:00 01:07:00 -0.06 0 -.06 3
O3 Zero 21-Apr-2026 00:46:00 01:07:00 0.000 0 0.00
CV CO CO_Prec CO_Prec 21-Apr-2026 04:30:00 04:51:00 2.0 2.1 -.09 .2
CO_Span CO_Span 21-Apr-2026 04:00:00 04:21:00 7.8 7.9 -.07 .8
Zero Zero 21-Apr-2026 00:46:00 01:07:00 0.0 0 .07 .3
NO Zero 21-Apr-2026 00:46:00 01:07:00 0.06 0 .06 3
NO2 Zero 21-Apr-2026 00:46:00 01:07:00 -0.118 0 -.12 3
NOX Zero 21-Apr-2026 00:46:00 01:07:00 -0.06 0 -.06 3
O3 Zero 21-Apr-2026 00:46:00 01:07:00 0.000 0 0.00
SO2 Zero 21-Apr-2026 00:46:00 01:07:00 0.373 0 .37 3
ED NO Zero 21-Apr-2026 00:46:00 01:07:00 0.10 0 .1 3
NO2 Zero 21-Apr-2026 00:46:00 01:07:00 -0.047 0 -.05 3
NOX Zero 21-Apr-2026 00:46:00 01:07:00 0.05 0 .05 3
O3 Zero 21-Apr-2026 00:46:00 01:07:00 -0.001 0 0.00
EN NO Zero 21-Apr-2026 00:46:00 01:07:00 -0.13 0 -.13 3
NO2 Zero 21-Apr-2026 00:46:00 01:07:00 0.043 0 .04 3
NOX Zero 21-Apr-2026 00:46:00 01:07:00 -0.09 0 -.09 3
O3 Zero 21-Apr-2026 00:46:00 01:07:00 0.000 0 0.00
H3 NO Zero 21-Apr-2026 00:46:00 01:07:00 0.22 0 .22 3
NO2 Zero 21-Apr-2026 00:46:00 01:07:00 -0.127 0 -.13 3
NOX Zero 21-Apr-2026 00:46:00 01:07:00 0.10 0 .1 3
O3 Zero 21-Apr-2026 00:46:00 01:07:00 0.000 0 0.00
HC NO Zero 21-Apr-2026 00:46:00 01:07:00 0.22 0 .22 3
NO2 Zero 21-Apr-2026 00:46:00 01:07:00 -0.419 0 -.42 3
NOX Zero 21-Apr-2026 00:46:00 01:07:00 -0.20 0 -.2 3
O3 Zero 21-Apr-2026 00:46:00 01:07:00 -0.001 0 0.00
HV CO Zero 21-Apr-2026 00:46:00 01:07:00 0.1 0 .12 .3
NO Zero 21-Apr-2026 00:46:00 01:07:00 0.00 0 0.00 3
NO2 Zero 21-Apr-2026 00:46:00 01:07:00 -0.024 0 -.02 3
NOX Zero 21-Apr-2026 00:46:00 01:07:00 -0.03 0 -.03 3
HV O3 Zero Zero 21-Apr-2026 00:46:00 01:07:00 0.001 0 0.00
HW CO Zero 21-Apr-2026 00:46:00 01:07:00 0.0 0 .07 .3
DIFF NOY_Zero NOY_Zero 21-Apr-2026 02:00:00 02:35:00 0.4 0 .38 3
N500NO Zero Zero 21-Apr-2026 00:46:00 01:07:00 -0.202 0 -.2 3
N500NO2 N5NO2PRC N5NO2PRC 21-Apr-2026 06:31:00 06:56:00 63.860 65.46 -1.6 9.8
N5NO2SPA N5NO2SPA 21-Apr-2026 06:00:00 06:25:00 160.700 157.4 3.3 35.4
Zero Zero 21-Apr-2026 00:46:00 01:07:00 0.104 0 .1 3
N500NOX Zero 21-Apr-2026 00:46:00 01:07:00 -0.098 * 0 -.1
NO Zero 21-Apr-2026 00:46:00 01:07:00 -0.03 0 -.03 3
NO2 Zero 21-Apr-2026 00:46:00 01:07:00 0.054 0 .05 3
NOX Zero 21-Apr-2026 00:46:00 01:07:00 0.02 0 .02 3
NOY NOY_Zero NOY_Zero 21-Apr-2026 02:00:00 02:35:00 0.4 0 .36 3
O3 Zero Zero 21-Apr-2026 00:46:00 01:07:00 0.000 0 0.00
SO2TRACE SO2_Prec SO2_Prec 21-Apr-2026 04:36:00 05:02:00 20.340 20.44 -.1 2
SO2_Span SO2_Span 21-Apr-2026 04:00:00 04:26:00 79.870 81.92 -2.05 8
Zero Zero 21-Apr-2026 00:46:00 01:07:00 0.799 0 .8 3
YNO NOY_Zero NOY_Zero 21-Apr-2026 02:00:00 02:35:00 0.0 0 -.03 3
LN CO Zero Zero 21-Apr-2026 00:46:00 01:07:00 0.1 0 .14 .3
NO Zero 21-Apr-2026 00:46:00 01:07:00 0.18 0 .18 3
NO2 Zero 21-Apr-2026 00:46:00 01:07:00 -0.218 0 -.22 3
NOX Zero 21-Apr-2026 00:46:00 01:07:00 -0.04 0 -.04 3
O3 Zero 21-Apr-2026 00:46:00 01:07:00 0.000 0 0.00
M7 NO Zero 21-Apr-2026 00:46:00 01:07:00 -0.07 0 -.07 3
NO2 Zero 21-Apr-2026 00:46:00 01:07:00 0.024 0 .02 3
NOX Zero 21-Apr-2026 00:46:00 01:07:00 -0.05 0 -.05 3
O3 Zero 21-Apr-2026 00:46:00 01:07:00 0.000 0 0.00
NR CO Zero 21-Apr-2026 00:46:00 01:07:00 0.0 0 -.07 .3
NO Zero 21-Apr-2026 00:46:00 01:07:00 0.06 0 .06 3
NO2 Zero 21-Apr-2026 00:46:00 01:07:00 -0.062 0 -.06 3
NOX Zero 21-Apr-2026 00:46:00 01:07:00 0.00 0 0.00 3
O3 Zero 21-Apr-2026 00:46:00 01:07:00 0.000 0 0.00
P2 NO Zero Zero 21-Apr-2026 00:46:00 01:07:00 1.51 0 1.51 3
NO2 Zero 21-Apr-2026 00:46:00 01:07:00 -0.679 0 -.68 3
NOX Zero 21-Apr-2026 00:46:00 01:07:00 0.83 0 .83 3
O3 Zero 21-Apr-2026 00:46:00 01:07:00 0.000 0 0.00
RP CO CO_Prec CO_Prec 21-Apr-2026 04:30:00 04:51:00 3.9 4.1 -.13 .4
CO_Span CO_Span 21-Apr-2026 04:00:00 04:21:00 39.7 40 -.28 4
Zero Zero 21-Apr-2026 00:46:00 01:07:00 -0.1 0 -.12 .3
NO Zero 21-Apr-2026 00:46:00 01:07:00 0.46 0 .46 3
NO2 Zero 21-Apr-2026 00:46:00 01:07:00 -0.169 0 -.17 3
NOX Zero 21-Apr-2026 00:46:00 01:07:00 0.29 0 .29 3
O3 Zero 21-Apr-2026 00:46:00 01:07:00 0.000 0 0.00
SO2 Zero 21-Apr-2026 00:46:00 01:07:00 0.756 0 .76 3
RS NO2TRACE ZERO ZERO 21-Apr-2026 00:46:00 01:07:00 -0.133 0 -.13 3
NOTRACE ZERO 21-Apr-2026 00:46:00 01:07:00 0.0 0 .01 3
NOXTRACE ZERO 21-Apr-2026 00:46:00 01:07:00 -0.1 0 -.13 3
SF NO Zero Zero 21-Apr-2026 00:46:00 01:07:00 -0.03 0 -.03 3
NO2 Zero 21-Apr-2026 00:46:00 01:07:00 -0.016 0 -.02 3
NOX Zero 21-Apr-2026 00:46:00 01:07:00 -0.05 0 -.05 3
O3 Zero 21-Apr-2026 00:46:00 01:07:00 -0.001 0 0.00
SM NO Zero 21-Apr-2026 00:46:00 01:07:00 -0.12 0 -.12 3
NO2 Zero 21-Apr-2026 00:46:00 01:07:00 0.039 0 .04 3
NOX Zero 21-Apr-2026 00:46:00 01:07:00 -0.08 0 -.08 3
O3 Zero 21-Apr-2026 00:46:00 01:07:00 -0.002 0 0.00
UT CO Zero 21-Apr-2026 00:46:00 01:07:00 0.2 0 .22 .3
NO Zero 21-Apr-2026 00:46:00 01:07:00 0.016 0 .02 3
NO2 Zero 21-Apr-2026 00:46:00 01:07:00 0.055 0 .06 3
NOX Zero 21-Apr-2026 00:46:00 01:07:00 0.071 0 .07 3
O3 Zero 21-Apr-2026 00:46:00 01:07:00 0.0 0 0.00
SO2 Zero 21-Apr-2026 00:46:00 01:07:00 0.558 0 .56 3
V4 NO Zero 21-Apr-2026 00:46:00 01:07:00 0.02 0 .02 3
NO2 Zero 21-Apr-2026 00:46:00 01:07:00 -0.02 0 -.02 3
V4 NOX Zero Zero 21-Apr-2026 00:46:00 01:07:00 -0.01 0 -.01 3
O3 Zero 21-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