Latest Calibration Reports

Today’s Report: calibrations2025-11-21.CSV

Site Parameter Sequence Phase Start Time End Time Value Expected Value Error Drift Warning Limit
BV NO Zero Zero 21-Nov-2025 00:46:00 01:07:00 -0.01 0 -.01 3
NO2 Zero 21-Nov-2025 00:46:00 01:07:00 0.009 0 .01 3
NOX Zero 21-Nov-2025 00:46:00 01:07:00 0.00 0 0.00 3
O3 O3_Prec O3_Prec 21-Nov-2025 04:30:00 04:51:00 0.066 0.065 0.00
O3_Span O3_Span 21-Nov-2025 04:00:00 04:21:00 0.406 0.408 0.00
Zero Zero 21-Nov-2025 00:46:00 01:07:00 0.000 0 0.00
CV CO Zero 21-Nov-2025 00:46:00 01:07:00 0.0 0 .09 .3
NO Zero 21-Nov-2025 00:46:00 01:07:00 0.00 0 0.00 3
NO2 Zero 21-Nov-2025 00:46:00 01:07:00 0.015 0 .02 3
NOX Zero 21-Nov-2025 00:46:00 01:07:00 0.02 0 .02 3
O3 O3_Prec O3_Prec 21-Nov-2025 04:30:00 04:51:00 0.065 0.0655 0.00
O3_Span O3_Span 21-Nov-2025 04:00:00 04:21:00 0.400 0.403 0.00
Zero Zero 21-Nov-2025 00:46:00 01:07:00 0.000 0 0.00
SO2 Zero 21-Nov-2025 00:46:00 01:07:00 0.280 0 .28 3
ED NO Zero 21-Nov-2025 00:46:00 01:07:00 0.11 0 .11 3
NO2 Zero 21-Nov-2025 00:46:00 01:07:00 0.090 0 .09 3
NOX Zero 21-Nov-2025 00:46:00 01:07:00 0.20 0 .2 3
O3 O3_Prec O3_Prec 21-Nov-2025 04:30:00 04:51:00 0.069 0.069 0.00
O3_Span O3_Span 21-Nov-2025 04:00:00 04:21:00 0.435 0.434 0.00
Zero Zero 21-Nov-2025 00:46:00 01:07:00 -0.001 0 0.00
EN NO Zero 21-Nov-2025 00:46:00 01:07:00 0.04 0 .04 3
NO2 Zero 21-Nov-2025 00:46:00 01:07:00 -0.075 0 -.08 3
NOX Zero 21-Nov-2025 00:46:00 01:07:00 -0.03 0 -.03 3
O3 Zero 21-Nov-2025 00:46:00 01:07:00 0.000 0 0.00
H3 NO Zero 21-Nov-2025 00:46:00 01:07:00 -0.01 0 -.01 3
NO2 Zero 21-Nov-2025 00:46:00 01:07:00 0.073 0 .07 3
NOX Zero 21-Nov-2025 00:46:00 01:07:00 0.07 0 .07 3
O3 Zero 21-Nov-2025 00:46:00 01:07:00 0.000 0 0.00
HC NO Zero 21-Nov-2025 00:46:00 01:07:00 0.04 0 .04 3
NO2 Zero 21-Nov-2025 00:46:00 01:07:00 -0.129 0 -.13 3
NOX Zero 21-Nov-2025 00:46:00 01:07:00 -0.09 0 -.09 3
O3 O3_Prec O3_Prec 21-Nov-2025 04:30:00 04:51:00 0.063 0.066 0.00
HC O3 O3_Span O3_Span 21-Nov-2025 04:00:00 04:21:00 0.401 0.406 0.00
Zero Zero 21-Nov-2025 00:46:00 01:07:00 0.000 0 0.00
HV CO Zero 21-Nov-2025 00:46:00 01:07:00 0.1 0 .16 .3
NO Zero 21-Nov-2025 00:46:00 01:07:00 0.20 0 .2 3
NO2 Zero 21-Nov-2025 00:46:00 01:07:00 0.083 0 .08 3
NOX Zero 21-Nov-2025 00:46:00 01:07:00 0.28 0 .28 3
O3 O3_Prec O3_Prec 21-Nov-2025 04:30:00 04:51:00 0.063 0.063 0.00
O3_Span O3_Span 21-Nov-2025 04:00:00 04:21:00 0.392 0.394 0.00
Zero Zero 21-Nov-2025 00:46:00 01:07:00 0.000 0 0.00
HW CO Zero 21-Nov-2025 00:46:00 01:07:00 -0.3 * 0 -.35 .3
DIFF DIFFPrec DIFFPrec 21-Nov-2025 04:31:00 04:56:00 74.8 74.6 .2 3.9
DIFFSpan DIFFSpan 21-Nov-2025 04:00:00 04:25:00 258.6 255.42 3.18 16
NOY_Zero NOY_Zero 21-Nov-2025 02:00:00 02:35:00 0.7 0 .72 3
N500NO Zero Zero 21-Nov-2025 00:46:00 01:07:00 0.029 0 .03 3
N500NO2 Zero 21-Nov-2025 00:46:00 01:07:00 0.575 0 .58 3
N500NOX Zero 21-Nov-2025 00:46:00 01:07:00 0.605 * 0 .61
NO Zero 21-Nov-2025 00:46:00 01:07:00 0.01 0 .01 3
NO2 Zero 21-Nov-2025 00:46:00 01:07:00 0.120 0 .12 3
NOX Zero 21-Nov-2025 00:46:00 01:07:00 0.13 0 .13 3
NOY NOY_Zero NOY_Zero 21-Nov-2025 02:00:00 02:35:00 0.7 0 .72 3
O3 Zero Zero 21-Nov-2025 00:46:00 01:07:00 0.000 0 0.00
SO2TRACE Zero 21-Nov-2025 00:46:00 01:07:00 0.423 0 .42 3
YNO NOY_Zero NOY_Zero 21-Nov-2025 02:00:00 02:35:00 0.0 0 -.01 3
LN CO Zero Zero 21-Nov-2025 00:46:00 01:07:00 0.0 0 .01 .3
NO Zero 21-Nov-2025 00:46:00 01:07:00 0.02 0 .02 3
NO2 NO2_PREC NO2_PREC 21-Nov-2025 04:30:00 04:51:00 66.220 64 2.22 9.6
NO2_SPAN NO2_SPAN 21-Nov-2025 04:00:00 04:21:00 256.800 245 11.8 23.8
Zero Zero 21-Nov-2025 00:46:00 01:07:00 -0.008 0 -.01 3
NOX Zero 21-Nov-2025 00:46:00 01:07:00 0.02 0 .02 3
O3 Zero 21-Nov-2025 00:46:00 01:07:00 0.000 0 0.00
M7 NO Zero 21-Nov-2025 00:46:00 01:07:00 0.09 0 .09 3
M7 NO2 NO2_Prec NO2_Prec 21-Nov-2025 04:30:00 04:51:00 70.750 71 -.25 10.7
NO2_Span NO2_Span 21-Nov-2025 04:00:00 04:21:00 248.600 248 .6 26.5
Zero Zero 21-Nov-2025 00:46:00 01:07:00 -0.067 0 -.07 3
NOX Zero 21-Nov-2025 00:46:00 01:07:00 0.02 0 .02 3
O3 Zero 21-Nov-2025 00:46:00 01:07:00 -0.003 * 0 0.00
NR CO Zero 21-Nov-2025 00:46:00 01:07:00 -0.1 0 -.12 .3
NO Zero 21-Nov-2025 00:46:00 01:07:00 0.24 0 .24 3
NO2 Zero 21-Nov-2025 00:46:00 01:07:00 0.165 0 .17 3
NOX Zero 21-Nov-2025 00:46:00 01:07:00 0.41 0 .41 3
O3 O3_Prec O3_Prec 21-Nov-2025 04:30:00 04:51:00 0.061 0.0604 0.00
O3_Span O3_Span 21-Nov-2025 04:00:00 04:21:00 0.407 0.4103 0.00
Zero Zero 21-Nov-2025 00:46:00 01:07:00 0.000 0 0.00
P2 NO Zero 21-Nov-2025 00:46:00 01:07:00 -0.02 0 -.02 3
NO2 NO2_Prec NO2_Prec 21-Nov-2025 04:30:00 04:51:00 69.380 70 -.62 10.4
NO2_Span NO2_Span 21-Nov-2025 04:00:00 04:21:00 229.400 226 3.4 39.8
Zero Zero 21-Nov-2025 00:46:00 01:07:00 -0.116 0 -.12 3
NOX Zero 21-Nov-2025 00:46:00 01:07:00 -0.14 0 -.14 3
O3 Zero 21-Nov-2025 00:46:00 01:07:00 0.000 0 0.00
RP CO Zero 21-Nov-2025 00:46:00 01:07:00 0.0 0 -.03 .3
NO Zero 21-Nov-2025 00:46:00 01:07:00 0.43 0 .43 3
NO2 Zero 21-Nov-2025 00:46:00 01:07:00 -0.180 0 -.18 3
NOX Zero 21-Nov-2025 00:46:00 01:07:00 0.25 0 .25 3
O3 Zero 21-Nov-2025 00:46:00 01:07:00 -0.001 0 0.00
SO2 Zero 21-Nov-2025 00:46:00 01:07:00 0.494 0 .49 3
RS NO2TRACE NO2_Prec NO2_Prec 21-Nov-2025 04:30:00 04:51:00 53.020 52 1.02 9.7
NO2_Span NO2_Span 21-Nov-2025 04:00:00 04:21:00 185.200 * 158 27.2 21.7
NO2_Span 21-Nov-2025 05:46:00 06:07:00 157.100 158 -.9 21.7
ZERO ZERO 21-Nov-2025 00:46:00 01:07:00 0.041 0 .04 3
NOTRACE ZERO 21-Nov-2025 00:46:00 01:07:00 0.3 0 .27 3
NOXTRACE ZERO 21-Nov-2025 00:46:00 01:07:00 0.3 0 .31 3
SF NO Zero Zero 21-Nov-2025 00:46:00 01:07:00 0.12 0 .12 3
SF NO2 NO2_Prec NO2_Prec 21-Nov-2025 04:30:00 04:51:00 66.620 64 2.62 8.9
NO2_Span NO2_Span 21-Nov-2025 04:00:00 04:21:00 272.900 263 9.9 25.3
Zero Zero 21-Nov-2025 00:46:00 01:07:00 0.013 0 .01 3
NOX Zero 21-Nov-2025 00:46:00 01:07:00 0.14 0 .14 3
O3 Zero 21-Nov-2025 00:46:00 01:07:00 -0.001 0 0.00
SM NO Zero 21-Nov-2025 00:46:00 01:07:00 0.11 0 .11 3
NO2 NO2_Prec NO2_Prec 21-Nov-2025 04:30:00 04:51:00 74.400 74 .4 9.8
NO2_Span NO2_Span 21-Nov-2025 04:00:00 04:21:00 258.200 256 2.2 26.6
Zero Zero 21-Nov-2025 00:46:00 01:07:00 0.020 0 .02 3
NOX Zero 21-Nov-2025 00:46:00 01:07:00 0.13 0 .13 3
O3 Zero 21-Nov-2025 00:46:00 01:07:00 -0.002 0 0.00
UT CO Zero 21-Nov-2025 00:46:00 01:07:00 0.2 0 .2 .3
NO Zero 21-Nov-2025 00:46:00 01:07:00 0.033 0 .03 3
NO2 NO2_Prec NO2_Prec 21-Nov-2025 04:30:00 04:51:00 69.800 74 -4.2 10.2
NO2_Span NO2_Span 21-Nov-2025 04:00:00 04:21:00 245.700 263 -17.3 26.5
Zero Zero 21-Nov-2025 00:46:00 01:07:00 0.152 0 .15 3
NOX Zero 21-Nov-2025 00:46:00 01:07:00 0.185 0 .19 3
O3 Zero 21-Nov-2025 00:46:00 01:07:00 0.0 0 0.00
SO2 Zero 21-Nov-2025 00:46:00 01:07:00 -0.046 0 -.05 3
V4 NO Zero 21-Nov-2025 00:46:00 01:07:00 0.18 0 .18 3
NO2 NO2_Prec NO2_Prec 21-Nov-2025 04:30:00 04:51:00 71.12 74 -2.88 9.8
NO2_Span NO2_Span 21-Nov-2025 04:00:00 04:21:00 261.10 264 -2.9 26.5
Zero Zero 21-Nov-2025 00:46:00 01:07:00 -0.06 0 -.06 3
NOX Zero 21-Nov-2025 00:46:00 01:07:00 0.12 0 .12 3
O3 Zero 21-Nov-2025 00:46:00 01:07:00 -0.002 0 0.00
* - Drift limit exceeded
** - Out of control limit exceeded

Yesterday’s Report: calibrations2025-11-20.CSV

Site Parameter Sequence Phase Start Time End Time Value Expected Value Error Drift Warning Limit
BV NO Zero Zero 20-Nov-2025 00:46:00 01:07:00 0.06 0 .06 3
NO2 Zero 20-Nov-2025 00:46:00 01:07:00 -0.032 0 -.03 3
NOX Zero 20-Nov-2025 00:46:00 01:07:00 0.03 0 .03 3
O3 Zero 20-Nov-2025 00:46:00 01:07:00 0.000 0 0.00
CV CO Zero 20-Nov-2025 00:46:00 01:07:00 0.1 0 .1 .3
NO Zero 20-Nov-2025 00:46:00 01:07:00 0.02 0 .02 3
NO2 Zero 20-Nov-2025 00:46:00 01:07:00 -0.070 0 -.07 3
NOX Zero 20-Nov-2025 00:46:00 01:07:00 -0.05 0 -.05 3
O3 Zero 20-Nov-2025 00:46:00 01:07:00 0.000 0 0.00
SO2 Zero 20-Nov-2025 00:46:00 01:07:00 0.359 0 .36 3
ED NO Zero 20-Nov-2025 00:46:00 01:07:00 0.00 0 0.00 3
NO2 Zero 20-Nov-2025 00:46:00 01:07:00 0.029 0 .03 3
NOX Zero 20-Nov-2025 00:46:00 01:07:00 0.03 0 .03 3
O3 Zero 20-Nov-2025 00:46:00 01:07:00 -0.001 0 0.00
EN NO Zero 20-Nov-2025 00:46:00 01:07:00 -0.06 0 -.06 3
NO2 Zero 20-Nov-2025 00:46:00 01:07:00 -0.015 0 -.02 3
NOX Zero 20-Nov-2025 00:46:00 01:07:00 -0.08 0 -.08 3
O3 Zero 20-Nov-2025 00:46:00 01:07:00 0.000 0 0.00
H3 NO Zero 20-Nov-2025 00:46:00 01:07:00 -0.03 0 -.03 3
NO2 Zero 20-Nov-2025 00:46:00 01:07:00 -0.073 0 -.07 3
NOX Zero 20-Nov-2025 00:46:00 01:07:00 -0.10 0 -.1 3
O3 Zero 20-Nov-2025 00:46:00 01:07:00 0.000 0 0.00
HC NO NOX_Span NOX_Span 20-Nov-2025 04:00:00 04:21:00 362.40 376 -13.6 43.1
Zero Zero 20-Nov-2025 00:46:00 01:07:00 0.02 0 .02 3
NO2 Zero 20-Nov-2025 00:46:00 01:07:00 -0.106 0 -.11 3
NOX NOX_Span NOX_Span 20-Nov-2025 04:00:00 04:21:00 380.70 387 -6.3 43.2
Zero Zero 20-Nov-2025 00:46:00 01:07:00 -0.08 0 -.08 3
O3 Zero 20-Nov-2025 00:46:00 01:07:00 0.000 0 0.00
HV CO Zero 20-Nov-2025 00:46:00 01:07:00 0.1 0 .17 .3
NO Zero 20-Nov-2025 00:46:00 01:07:00 0.24 0 .24 3
NO2 Zero 20-Nov-2025 00:46:00 01:07:00 -0.031 0 -.03 3
NOX Zero 20-Nov-2025 00:46:00 01:07:00 0.21 0 .21 3
HV O3 Zero Zero 20-Nov-2025 00:46:00 01:07:00 0.000 0 0.00
HW CO Zero 20-Nov-2025 00:46:00 01:07:00 -0.1 0 -.17 .3
DIFF NOY_Zero NOY_Zero 20-Nov-2025 02:00:00 02:35:00 0.6 0 .62 3
N500NO Zero Zero 20-Nov-2025 00:46:00 01:07:00 -0.028 0 -.03 3
N500NO2 Zero 20-Nov-2025 00:46:00 01:07:00 0.585 0 .59 3
N500NOX Zero 20-Nov-2025 00:46:00 01:07:00 0.557 * 0 .56
NO Zero 20-Nov-2025 00:46:00 01:07:00 0.04 0 .04 3
NO2 Zero 20-Nov-2025 00:46:00 01:07:00 -0.044 0 -.04 3
NOX Zero 20-Nov-2025 00:46:00 01:07:00 -0.01 0 -.01 3
NOY NOY_Zero NOY_Zero 20-Nov-2025 02:00:00 02:35:00 0.7 0 .65 3
NOYNOSpa NOYNOSpa 20-Nov-2025 04:00:00 04:21:00 446.4 448 -1.6 18.3
O3 Zero Zero 20-Nov-2025 00:46:00 01:07:00 0.000 0 0.00
SO2TRACE Zero 20-Nov-2025 00:46:00 01:07:00 0.375 0 .38 3
YNO NOY_Zero NOY_Zero 20-Nov-2025 02:00:00 02:35:00 0.0 0 .04 3
NOYNOSpa NOYNOSpa 20-Nov-2025 04:00:00 04:21:00 435.7 442.62 -6.92 18
LN CO Zero Zero 20-Nov-2025 00:46:00 01:07:00 0.0 0 .01 .3
NO Zero 20-Nov-2025 00:46:00 01:07:00 0.03 0 .03 3
NO2 Zero 20-Nov-2025 00:46:00 01:07:00 -0.116 0 -.12 3
NOX Zero 20-Nov-2025 00:46:00 01:07:00 -0.09 0 -.09 3
O3 Zero 20-Nov-2025 00:46:00 01:07:00 0.000 0 0.00
M7 NO Zero 20-Nov-2025 00:46:00 01:07:00 0.21 0 .21 3
NO2 Zero 20-Nov-2025 00:46:00 01:07:00 -0.004 0 0.00 3
NOX Zero 20-Nov-2025 00:46:00 01:07:00 0.21 0 .21 3
O3 Zero 20-Nov-2025 00:46:00 01:07:00 -0.002 0 0.00
NR CO Zero 20-Nov-2025 00:46:00 01:07:00 0.0 0 -.1 .3
NO Zero 20-Nov-2025 00:46:00 01:07:00 0.23 0 .23 3
NO2 Zero 20-Nov-2025 00:46:00 01:07:00 -0.015 0 -.02 3
NOX Zero 20-Nov-2025 00:46:00 01:07:00 0.21 0 .21 3
O3 Zero 20-Nov-2025 00:46:00 01:07:00 0.000 0 0.00
P2 NO Zero 20-Nov-2025 00:46:00 01:07:00 -0.05 0 -.05 3
NO2 Zero 20-Nov-2025 00:46:00 01:07:00 -0.072 0 -.07 3
P2 NOX Zero Zero 20-Nov-2025 00:46:00 01:07:00 -0.12 0 -.12 3
O3 O3_Prec O3_Prec 20-Nov-2025 04:30:00 04:51:00 0.068 0.067 0.00
O3_Span O3_Span 20-Nov-2025 04:00:00 04:21:00 0.403 0.403 0.00
Zero Zero 20-Nov-2025 00:46:00 01:07:00 0.000 0 0.00
RP CO Zero 20-Nov-2025 00:46:00 01:07:00 0.0 0 -.04 .3
NO Zero 20-Nov-2025 00:46:00 01:07:00 0.47 0 .47 3
NO2 Zero 20-Nov-2025 00:46:00 01:07:00 -0.241 0 -.24 3
NOX Zero 20-Nov-2025 00:46:00 01:07:00 0.22 0 .22 3
O3 Zero 20-Nov-2025 00:46:00 01:07:00 -0.001 0 0.00
SO2 Zero 20-Nov-2025 00:46:00 01:07:00 0.519 0 .52 3
RS NO2TRACE ZERO ZERO 20-Nov-2025 00:46:00 01:07:00 0.053 0 .05 3
NOTRACE ZERO 20-Nov-2025 00:46:00 01:07:00 0.3 0 .34 3
NOXTRACE ZERO 20-Nov-2025 00:46:00 01:07:00 0.4 0 .4 3
SF NO Zero Zero 20-Nov-2025 00:46:00 01:07:00 0.07 0 .07 3
NO2 Zero 20-Nov-2025 00:46:00 01:07:00 -0.041 0 -.04 3
NOX Zero 20-Nov-2025 00:46:00 01:07:00 0.03 0 .03 3
O3 Zero 20-Nov-2025 00:46:00 01:07:00 -0.001 0 0.00
SM NO Zero 20-Nov-2025 00:46:00 01:07:00 0.04 0 .04 3
NO2 Zero 20-Nov-2025 00:46:00 01:07:00 -0.019 0 -.02 3
NOX Zero 20-Nov-2025 00:46:00 01:07:00 0.02 0 .02 3
O3 Zero 20-Nov-2025 00:46:00 01:07:00 -0.002 0 0.00
UT CO Zero 20-Nov-2025 00:46:00 01:07:00 0.1 0 .18 .3
NO NOX_Span NOX_Span 20-Nov-2025 04:00:00 04:21:00 387.800 408 -20.2 40.7
Zero Zero 20-Nov-2025 00:46:00 01:07:00 0.017 0 .02 3
NO2 Zero 20-Nov-2025 00:46:00 01:07:00 0.062 0 .06 3
NOX NOX_Span NOX_Span 20-Nov-2025 04:00:00 04:21:00 394.400 414 -19.6 41
Zero Zero 20-Nov-2025 00:46:00 01:07:00 0.078 0 .08 3
O3 Zero 20-Nov-2025 00:46:00 01:07:00 0.0 0 0.00
SO2 Zero 20-Nov-2025 00:46:00 01:07:00 0.162 0 .16 3
V4 NO Zero 20-Nov-2025 00:46:00 01:07:00 0.06 0 .06 3
NO2 Zero 20-Nov-2025 00:46:00 01:07:00 -0.06 0 -.06 3
V4 NOX Zero Zero 20-Nov-2025 00:46:00 01:07:00 0.01 0 .01 3
O3 Zero 20-Nov-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