Latest Calibration Reports

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

Yesterday’s Report: calibrations2025-12-21.CSV

Site Parameter Sequence Phase Start Time End Time Value Expected Value Error Drift Warning Limit
BV NO NOX_Span NOX_Span 21-Dec-2025 04:00:00 04:20:00 367.60 375 -7.4 41.5
Zero Zero 21-Dec-2025 00:46:00 01:07:00 0.02 0 .02 3
NO2 Zero 21-Dec-2025 00:46:00 01:07:00 -0.460 0 -.46 3
NOX NOX_Span NOX_Span 21-Dec-2025 04:00:00 04:20:00 375.80 380 -4.2 41.8
Zero Zero 21-Dec-2025 00:46:00 01:07:00 -0.45 0 -.45 3
O3 Zero 21-Dec-2025 00:46:00 01:07:00 0.000 0 0.00
CV CO Zero 21-Dec-2025 00:46:00 01:07:00 0.0 0 .09 .3
NO NOX_Span NOX_Span 21-Dec-2025 04:00:00 04:21:00 341.90 345 -3.1 42.5
Zero Zero 21-Dec-2025 00:46:00 01:07:00 0.05 0 .05 3
NO2 Zero 21-Dec-2025 00:46:00 01:07:00 -0.015 0 -.02 3
NOX NOX_Span NOX_Span 21-Dec-2025 04:00:00 04:21:00 354.10 356 -1.9 42.5
Zero Zero 21-Dec-2025 00:46:00 01:07:00 0.04 0 .04 3
O3 Zero 21-Dec-2025 00:46:00 01:07:00 0.000 0 0.00
SO2 Zero 21-Dec-2025 00:46:00 01:07:00 0.511 0 .51 3
ED NO NOX_Span NOX_Span 21-Dec-2025 04:00:00 04:21:00 395.70 400 -4.3 41.9
Zero Zero 21-Dec-2025 00:46:00 01:07:00 0.05 0 .05 3
NO2 Zero 21-Dec-2025 00:46:00 01:07:00 -0.045 0 -.05 3
NOX NOX_Span NOX_Span 21-Dec-2025 04:00:00 04:21:00 406.20 409 -2.8 41.9
Zero Zero 21-Dec-2025 00:46:00 01:07:00 0.00 0 0.00 3
O3 Zero 21-Dec-2025 00:46:00 01:07:00 0.000 0 0.00
EN NO Zero 21-Dec-2025 00:46:00 01:07:00 0.02 0 .02 3
NO2 NO2_Prec NO2_Prec 21-Dec-2025 04:36:00 04:57:00 69.540 68 1.54 10.5
NO2_Span NO2_Span 21-Dec-2025 04:00:00 04:21:00 277.100 266 11.1 27.8
Zero Zero 21-Dec-2025 00:46:00 01:07:00 -0.126 0 -.13 3
NOX Zero 21-Dec-2025 00:46:00 01:07:00 -0.11 0 -.11 3
O3 Zero 21-Dec-2025 00:46:00 01:07:00 0.000 0 0.00
H3 NO Zero 21-Dec-2025 00:46:00 01:07:00 -0.43 0 -.43 3
NO2 NO2_Prec NO2_Prec 21-Dec-2025 04:30:00 04:51:00 70.440 65.7 4.74 9.9
NO2_Span NO2_Span 21-Dec-2025 04:00:00 04:20:00 260.600 249.1 11.5 28.2
Zero Zero 21-Dec-2025 00:46:00 01:07:00 0.081 0 .08 3
NOX Zero 21-Dec-2025 00:46:00 01:07:00 -0.35 0 -.35 3
O3 Zero 21-Dec-2025 00:46:00 01:07:00 0.000 0 0.00
HC NO Zero Zero 21-Dec-2025 00:46:00 01:07:00 0.16 0 .16 3
NO2 Zero 21-Dec-2025 00:46:00 01:07:00 -0.127 0 -.13 3
NOX Zero 21-Dec-2025 00:46:00 01:07:00 0.04 0 .04 3
O3 Zero 21-Dec-2025 00:46:00 01:07:00 0.000 0 0.00
HV CO Zero 21-Dec-2025 00:46:00 01:07:00 0.1 0 .2 .3
NO Zero 21-Dec-2025 00:46:00 01:07:00 0.21 0 .21 3
NO2 NO2_Prec NO2_Prec 21-Dec-2025 04:30:00 04:51:00 72.070 72 .07 10.5
NO2_Span NO2_Span 21-Dec-2025 04:00:00 04:21:00 251.400 254 -2.6 25.6
Zero Zero 21-Dec-2025 00:46:00 01:07:00 0.100 0 .1 3
NOX Zero 21-Dec-2025 00:46:00 01:07:00 0.31 0 .31 3
O3 Zero 21-Dec-2025 00:46:00 01:07:00 0.000 0 0.00
HW CO Zero 21-Dec-2025 00:46:00 01:07:00 0.0 0 .04 .3
DIFF NOY_Zero NOY_Zero 21-Dec-2025 02:00:00 02:35:00 0.9 0 .92 3
N500NO Zero Zero 21-Dec-2025 00:46:00 01:07:00 -0.210 0 -.21 3
N500NO2 Zero 21-Dec-2025 00:46:00 01:07:00 0.076 0 .08 3
N500NOX Zero 21-Dec-2025 00:46:00 01:07:00 -0.134 * 0 -.13
NO NOX_Span NOX_Span 21-Dec-2025 04:00:00 04:21:00 436.60 441.4 -4.8 44.5
Zero Zero 21-Dec-2025 00:46:00 01:07:00 0.02 0 .02 3
NO2 Zero 21-Dec-2025 00:46:00 01:07:00 0.124 0 .12 3
NOX NOX_Span NOX_Span 21-Dec-2025 04:00:00 04:21:00 446.30 446.6 -.3 44.1
Zero Zero 21-Dec-2025 00:46:00 01:07:00 0.15 0 .15 3
NOY NOY_Zero NOY_Zero 21-Dec-2025 02:00:00 02:35:00 0.9 0 .91 3
O3 Zero Zero 21-Dec-2025 00:46:00 01:07:00 0.000 0 0.00
SO2TRACE Zero 21-Dec-2025 00:46:00 01:07:00 0.539 0 .54 3
YNO NOY_Zero NOY_Zero 21-Dec-2025 02:00:00 02:35:00 0.0 0 -.01 3
LN CO Zero Zero 21-Dec-2025 00:46:00 01:07:00 0.0 0 .07 .3
NO Zero 21-Dec-2025 00:46:00 01:07:00 0.01 0 .01 3
NO2 Zero 21-Dec-2025 00:46:00 01:07:00 0.014 0 .01 3
NOX Zero 21-Dec-2025 00:46:00 01:07:00 0.02 0 .02 3
O3 O3_Prec O3_Prec 21-Dec-2025 04:30:00 04:51:00 0.064 0.064 0.00
O3_Span O3_Span 21-Dec-2025 04:00:00 04:21:00 0.392 0.394 0.00
LN O3 Zero Zero 21-Dec-2025 00:46:00 01:07:00 0.000 0 0.00
M7 NO NOX_Span NOX_Span 21-Dec-2025 04:00:00 04:21:00 379.70 390 -10.3 39.3
Zero Zero 21-Dec-2025 00:46:00 01:07:00 0.09 0 .09 3
NO2 Zero 21-Dec-2025 00:46:00 01:07:00 0.020 0 .02 3
NOX NOX_Span NOX_Span 21-Dec-2025 04:00:00 04:21:00 411.60 416 -4.4 40.9
Zero Zero 21-Dec-2025 00:46:00 01:07:00 0.11 0 .11 3
O3 Zero 21-Dec-2025 00:46:00 01:07:00 -0.002 0 0.00
NR CO Zero 21-Dec-2025 00:46:00 01:07:00 0.0 0 -.05 .3
NO NOX_Span NOX_Span 21-Dec-2025 04:00:00 04:21:00 391.20 394 -2.8 41.1
Zero Zero 21-Dec-2025 00:46:00 01:07:00 -0.04 0 -.04 3
NO2 Zero 21-Dec-2025 00:46:00 01:07:00 0.058 0 .06 3
NOX NOX_Span NOX_Span 21-Dec-2025 04:00:00 04:21:00 409.70 414 -4.3 41.7
Zero Zero 21-Dec-2025 00:46:00 01:07:00 0.02 0 .02 3
O3 Zero 21-Dec-2025 00:46:00 01:07:00 0.000 0 0.00
P2 NO Zero 21-Dec-2025 00:46:00 01:07:00 0.12 0 .12 3
NO2 Zero 21-Dec-2025 00:46:00 01:07:00 -0.194 0 -.19 3
NOX Zero 21-Dec-2025 00:46:00 01:07:00 -0.08 0 -.08 3
O3 Zero 21-Dec-2025 00:46:00 01:07:00 0.000 0 0.00
RP CO Zero 21-Dec-2025 00:46:00 01:07:00 -0.1 0 -.14 .3
NO Zero 21-Dec-2025 00:46:00 01:07:00 0.46 0 .46 3
NO2 Zero 21-Dec-2025 00:46:00 01:07:00 -0.196 0 -.2 3
NOX Zero 21-Dec-2025 00:46:00 01:07:00 0.27 0 .27 3
O3 O3_Prec O3_Prec 21-Dec-2025 04:30:00 04:51:00 0.063 0.063 0.00
O3_Span O3_Span 21-Dec-2025 04:00:00 04:21:00 0.403 0.393 .01
Zero Zero 21-Dec-2025 00:46:00 01:07:00 -0.001 0 0.00
SO2 Zero 21-Dec-2025 00:46:00 01:07:00 0.563 0 .56 3
RS NO2TRACE ZERO ZERO 21-Dec-2025 00:46:00 01:07:00 -0.099 0 -.1 3
NOTRACE ZERO 21-Dec-2025 00:46:00 01:07:00 0.0 0 .02 3
NOXTRACE ZERO 21-Dec-2025 00:46:00 01:07:00 -0.1 0 -.08 3
SF NO NOX_Span NOX_Span 21-Dec-2025 04:00:00 04:21:00 378.60 378 .6 46.2
Zero Zero 21-Dec-2025 00:46:00 01:07:00 -0.06 0 -.06 3
SF NO2 Zero Zero 21-Dec-2025 00:46:00 01:07:00 0.155 0 .16 3
NOX NOX_Span NOX_Span 21-Dec-2025 04:00:00 04:21:00 394.70 395 -.3 45.9
Zero Zero 21-Dec-2025 00:46:00 01:07:00 0.09 0 .09 3
O3 Zero 21-Dec-2025 00:46:00 01:07:00 0.000 0 0.00
SM NO Zero 21-Dec-2025 00:46:00 01:07:00 0.01 0 .01 3
NO2 Zero 21-Dec-2025 00:46:00 01:07:00 0.105 0 .11 3
NOX Zero 21-Dec-2025 00:46:00 01:07:00 0.12 0 .12 3
O3 O3_Prec O3_Prec 21-Dec-2025 04:30:00 04:51:00 0.064 0.064 0.00
O3_Span O3_Span 21-Dec-2025 04:00:00 04:21:00 0.391 0.39 0.00
Zero Zero 21-Dec-2025 00:46:00 01:07:00 -0.001 0 0.00
UT CO CO_Prec CO_Prec 21-Dec-2025 04:30:00 04:51:00 4.2 4 .22 .4
CO_Span CO_Span 21-Dec-2025 04:00:00 04:21:00 39.3 39.3 .09 4.1
Zero Zero 21-Dec-2025 00:46:00 01:07:00 0.2 0 .22 .3
NO Zero 21-Dec-2025 00:46:00 01:07:00 0.045 0 .05 3
NO2 Zero 21-Dec-2025 00:46:00 01:07:00 0.068 0 .07 3
NOX Zero 21-Dec-2025 00:46:00 01:07:00 0.113 0 .11 3
O3 Zero 21-Dec-2025 00:46:00 01:07:00 0.0 0 0.00
SO2 Zero 21-Dec-2025 00:46:00 01:07:00 0.216 0 .22 3
V4 NO Zero 21-Dec-2025 00:46:00 01:07:00 0.06 0 .06 3
NO2 Zero 21-Dec-2025 00:46:00 01:07:00 -0.09 0 -.09 3
NOX Zero 21-Dec-2025 00:46:00 01:07:00 -0.03 0 -.03 3
O3 O3_Prec O3_Prec 21-Dec-2025 04:30:00 04:51:00 0.066 0.067 0.00
O3_Span O3_Span 21-Dec-2025 04:00:00 04:21:00 0.400 0.403 0.00
Zero Zero 21-Dec-2025 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