Latest Calibration Reports

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

Yesterday’s Report: calibrations2025-12-27.CSV

Site Parameter Sequence Phase Start Time End Time Value Expected Value Error Drift Warning Limit
BV NO Zero Zero 27-Dec-2025 00:46:00 01:07:00 -0.11 0 -.11 3
NO2 NO2_Prec NO2_Prec 27-Dec-2025 04:30:00 04:51:00 62.920 66.7 -3.78 10.4
NO2_Span NO2_Span 27-Dec-2025 04:00:00 04:21:00 254.100 * 264 -9.9
Zero Zero 27-Dec-2025 00:46:00 01:07:00 -0.515 0 -.52 3
NOX Zero 27-Dec-2025 00:46:00 01:07:00 -0.62 0 -.62 3
O3 Zero 27-Dec-2025 00:46:00 01:07:00 0.000 0 0.00
CV CO Zero 27-Dec-2025 00:46:00 01:07:00 0.1 0 .12 .3
NO Zero 27-Dec-2025 00:46:00 01:07:00 0.05 0 .05 3
NO2 NO2_Prec NO2_Prec 27-Dec-2025 04:30:00 04:51:00 69.020 70.6 -1.58 11.4
NO2_Span NO2_Span 27-Dec-2025 04:00:00 04:21:00 261.700 255 6.7 34.1
Zero Zero 27-Dec-2025 00:46:00 01:07:00 -0.087 0 -.09 3
NOX Zero 27-Dec-2025 00:46:00 01:07:00 -0.04 0 -.04 3
O3 Zero 27-Dec-2025 00:46:00 01:07:00 0.000 0 0.00
SO2 Zero 27-Dec-2025 00:46:00 01:07:00 0.500 0 .5 3
ED NO Zero 27-Dec-2025 00:46:00 01:07:00 0.07 0 .07 3
NO2 NO2_Prec NO2_Prec 27-Dec-2025 04:35:00 04:56:00 73.870 74 -.13 10.2
NO2_Span NO2_Span 27-Dec-2025 04:00:00 04:21:00 255.400 260 -4.6 21.1
Zero Zero 27-Dec-2025 00:46:00 01:07:00 0.002 0 0.00 3
NOX Zero 27-Dec-2025 00:46:00 01:07:00 0.08 0 .08 3
O3 Zero 27-Dec-2025 00:46:00 01:07:00 -0.001 0 0.00
EN NO Zero 27-Dec-2025 00:46:00 01:07:00 0.01 0 .01 3
NO2 Zero 27-Dec-2025 00:46:00 01:07:00 -0.018 0 -.02 3
NOX Zero 27-Dec-2025 00:46:00 01:07:00 -0.01 0 -.01 3
O3 O3_Prec O3_Prec 27-Dec-2025 04:30:00 04:51:00 0.066 0.0675 0.00
O3_Span O3_Span 27-Dec-2025 04:00:00 04:21:00 0.417 0.414 0.00
Zero Zero 27-Dec-2025 00:46:00 01:07:00 0.000 0 0.00
H3 NO Zero 27-Dec-2025 00:46:00 01:07:00 -0.40 0 -.4 3
NO2 Zero 27-Dec-2025 00:46:00 01:07:00 -0.048 0 -.05 3
NOX Zero 27-Dec-2025 00:46:00 01:07:00 -0.45 0 -.45 3
O3 O3_Prec O3_Prec 27-Dec-2025 04:30:00 04:50:00 0.067 0.067 0.00
O3_Span O3_Span 27-Dec-2025 04:00:00 04:21:00 0.404 0.4 0.00
Zero Zero 27-Dec-2025 00:46:00 01:07:00 0.000 0 0.00
HC NO Zero Zero 27-Dec-2025 00:46:00 01:07:00 0.13 0 .13 3
NO2 Zero 27-Dec-2025 00:46:00 01:07:00 -0.114 0 -.11 3
NOX Zero 27-Dec-2025 00:46:00 01:07:00 0.01 0 .01 3
O3 Zero 27-Dec-2025 00:46:00 01:07:00 0.000 0 0.00
HV CO Zero 27-Dec-2025 00:46:00 01:07:00 0.2 0 .22 .3
NO NOX_Span NOX_Span 27-Dec-2025 04:00:00 04:20:00 393.70 402 -8.3 42.2
Zero Zero 27-Dec-2025 00:46:00 01:07:00 0.13 0 .13 3
NO2 Zero 27-Dec-2025 00:46:00 01:07:00 -0.019 0 -.02 3
NOX NOX_Span NOX_Span 27-Dec-2025 04:00:00 04:20:00 413.10 421 -7.9 43
Zero Zero 27-Dec-2025 00:46:00 01:07:00 0.11 0 .11 3
O3 Zero 27-Dec-2025 00:46:00 01:07:00 0.000 0 0.00
HW CO Zero 27-Dec-2025 00:46:00 01:07:00 0.0 0 .05 .3
DIFF NOY_Zero NOY_Zero 27-Dec-2025 02:00:00 02:35:00 0.2 0 .18 3
N500NO Zero Zero 27-Dec-2025 00:46:00 01:07:00 -0.189 0 -.19 3
N500NO2 Zero 27-Dec-2025 00:46:00 01:07:00 0.093 0 .09 3
N500NOX Zero 27-Dec-2025 00:46:00 01:07:00 -0.096 * 0 -.1
NO Zero 27-Dec-2025 00:46:00 01:07:00 0.01 0 .01 3
NO2 NO2_Prec NO2_Prec 27-Dec-2025 04:30:00 04:51:00 65.600 65.5 .1 11.1
NO2_Span NO2_Span 27-Dec-2025 04:00:00 04:21:00 267.600 269.7 -2.1 29
Zero Zero 27-Dec-2025 00:46:00 01:07:00 0.033 0 .03 3
NOX Zero 27-Dec-2025 00:46:00 01:07:00 0.05 0 .05 3
NOY NOY_Zero NOY_Zero 27-Dec-2025 02:00:00 02:35:00 0.2 0 .21 3
O3 Zero Zero 27-Dec-2025 00:46:00 01:07:00 0.000 0 0.00
SO2TRACE Zero 27-Dec-2025 00:46:00 01:07:00 0.618 0 .62 3
YNO NOY_Zero NOY_Zero 27-Dec-2025 02:00:00 02:35:00 0.0 0 .03 3
LN CO Zero Zero 27-Dec-2025 00:46:00 01:07:00 0.1 0 .16 .3
NO NOX_Span NOX_Span 27-Dec-2025 04:00:00 04:21:00 418.40 404 14.4 43.4
Zero Zero 27-Dec-2025 00:46:00 01:07:00 0.15 0 .15 3
NO2 Zero 27-Dec-2025 00:46:00 01:07:00 -0.206 0 -.21 3
NOX NOX_Span NOX_Span 27-Dec-2025 04:00:00 04:21:00 430.10 427 3.1 44.1
Zero Zero 27-Dec-2025 00:46:00 01:07:00 -0.06 0 -.06 3
LN O3 Zero Zero 27-Dec-2025 00:46:00 01:07:00 0.000 0 0.00
M7 NO Zero 27-Dec-2025 00:46:00 01:07:00 0.20 0 .2 3
NO2 Zero 27-Dec-2025 00:46:00 01:07:00 -0.027 0 -.03 3
NOX Zero 27-Dec-2025 00:46:00 01:07:00 0.18 0 .18 3
O3 O3_Prec O3_Prec 27-Dec-2025 04:30:00 04:51:00 0.061 0.062 0.00
O3_Span O3_Span 27-Dec-2025 04:00:00 04:21:00 0.395 0.395 0.00 .4
Zero Zero 27-Dec-2025 00:46:00 01:07:00 -0.001 0 0.00
NR CO CO_Prec CO_Prec 27-Dec-2025 04:30:00 04:51:00 3.8 4 -.13 .4
CO_Span CO_Span 27-Dec-2025 04:00:00 04:21:00 38.0 38.6 -.51 3.8
Zero Zero 27-Dec-2025 00:46:00 01:07:00 0.0 0 -.07 .3
NO Zero 27-Dec-2025 00:46:00 01:07:00 -0.08 0 -.08 3
NO2 Zero 27-Dec-2025 00:46:00 01:07:00 -0.088 0 -.09 3
NOX Zero 27-Dec-2025 00:46:00 01:07:00 -0.17 0 -.17 3
O3 Zero 27-Dec-2025 00:46:00 01:07:00 0.000 0 0.00
P2 NO NOX_Span NOX_Span 27-Dec-2025 04:00:00 04:20:00 416.70 429 -12.3 42
Zero Zero 27-Dec-2025 00:46:00 01:07:00 0.07 0 .07 3
NO2 Zero 27-Dec-2025 00:46:00 01:07:00 -0.021 0 -.02 3
NOX NOX_Span NOX_Span 27-Dec-2025 04:00:00 04:20:00 431.30 440 -8.7 42
Zero Zero 27-Dec-2025 00:46:00 01:07:00 0.04 0 .04 3
O3 Zero 27-Dec-2025 00:46:00 01:07:00 0.000 0 0.00
RP CO Zero 27-Dec-2025 00:46:00 01:07:00 -0.1 0 -.15 .3
NO Zero 27-Dec-2025 00:46:00 01:07:00 0.38 0 .38 3
NO2 Zero 27-Dec-2025 00:46:00 01:07:00 -0.189 0 -.19 3
NOX Zero 27-Dec-2025 00:46:00 01:07:00 0.19 0 .19 3
O3 Zero 27-Dec-2025 00:46:00 01:07:00 0.000 0 0.00
SO2 SO2_Prec SO2_Prec 27-Dec-2025 04:35:00 05:05:00 62.620 63.2 -.58 6.4
SO2_Span SO2_Span 27-Dec-2025 04:00:00 04:30:00 399.000 400 -1 40.5
Zero Zero 27-Dec-2025 00:46:00 01:07:00 0.747 0 .75 3
RS NO2TRACE ZERO ZERO 27-Dec-2025 00:46:00 01:07:00 -0.098 0 -.1 3
NOTRACE NOX_Span NOX_Span 27-Dec-2025 04:00:00 04:21:00 360.5 365 -4.5 43.7
ZERO ZERO 27-Dec-2025 00:46:00 01:07:00 0.0 0 .04 3
RS NOXTRACE NOX_Span NOX_Span 27-Dec-2025 04:00:00 04:21:00 361.7 365 -3.3 43.1
ZERO ZERO 27-Dec-2025 00:46:00 01:07:00 -0.1 0 -.06 3
SF NO Zero Zero 27-Dec-2025 00:46:00 01:07:00 0.16 0 .16 3
NO2 Zero 27-Dec-2025 00:46:00 01:07:00 -0.114 0 -.11 3
NOX Zero 27-Dec-2025 00:46:00 01:07:00 0.05 0 .05 3
O3 O3_Prec O3_Prec 27-Dec-2025 04:30:00 04:51:00 0.064 0.063 0.00
O3_Span O3_Span 27-Dec-2025 04:00:00 04:21:00 0.399 0.399 0.00
Zero Zero 27-Dec-2025 00:46:00 01:07:00 -0.002 0 0.00
SM NO NOX_Span NOX_Span 27-Dec-2025 04:00:00 04:21:00 338.90 348 -9.1 42.2
Zero Zero 27-Dec-2025 00:46:00 01:07:00 0.12 0 .12 3
NO2 Zero 27-Dec-2025 00:46:00 01:07:00 -0.079 0 -.08 3
NOX NOX_Span NOX_Span 27-Dec-2025 04:00:00 04:21:00 355.70 363 -7.3 43.2
Zero Zero 27-Dec-2025 00:46:00 01:07:00 0.04 0 .04 3
O3 Zero 27-Dec-2025 00:46:00 01:07:00 -0.002 0 0.00
UT CO Zero 27-Dec-2025 00:46:00 01:07:00 0.3 * 0 .31 .3
NO Zero 27-Dec-2025 00:46:00 01:07:00 0.004 0 0.00 3
NO2 Zero 27-Dec-2025 00:46:00 01:07:00 -0.014 0 -.01 3
NOX Zero 27-Dec-2025 00:46:00 01:07:00 -0.010 0 -.01 3
O3 O3_Prec O3_Prec 27-Dec-2025 04:30:00 04:51:00 0.0 0.065 0.00 4.5
O3_Span O3_Span 27-Dec-2025 04:00:00 04:21:00 0.3 0.4 0.00 39.9
Zero Zero 27-Dec-2025 00:46:00 01:07:00 0.0 0 0.00
SO2 Zero 27-Dec-2025 00:46:00 01:07:00 0.245 0 .25 3
V4 NO NOX_Span NOX_Span 27-Dec-2025 04:00:00 04:21:00 388.00 405 -17 41.2
Zero Zero 27-Dec-2025 00:46:00 01:07:00 0.27 0 .27 3
NO2 Zero 27-Dec-2025 00:46:00 01:07:00 -0.11 0 -.11 3
NOX NOX_Span NOX_Span 27-Dec-2025 04:00:00 04:21:00 392.20 410 -17.8 41.1
Zero Zero 27-Dec-2025 00:46:00 01:07:00 0.16 0 .16 3
O3 Zero 27-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