Latest Calibration Reports

Today’s Report: calibrations2026-02-21.CSV

Site Parameter Sequence Phase Start Time End Time Value Expected Value Error Drift Warning Limit
BV NO Zero Zero 21-Feb-2026 00:46:00 01:07:00 -0.13 0 -.13 3
NO2 NO2_Prec NO2_Prec 21-Feb-2026 04:30:00 04:51:00 67.590 66.7 .89 10.4
NO2_Span NO2_Span 21-Feb-2026 04:00:00 04:21:00 248.800 * 264 -15.2
Zero Zero 21-Feb-2026 00:46:00 01:07:00 -0.009 0 -.01 3
NOX Zero 21-Feb-2026 00:46:00 01:07:00 -0.13 0 -.13 3
O3 Zero 21-Feb-2026 00:46:00 01:07:00 -0.001 0 0.00
CV CO Zero 21-Feb-2026 00:46:00 01:07:00 0.1 0 .12 .3
NO Zero 21-Feb-2026 00:46:00 01:07:00 0.04 0 .04 3
NO2 NO2_Prec NO2_Prec 21-Feb-2026 04:30:00 04:51:00 67.590 70.6 -3.01 11.4
NO2_Span NO2_Span 21-Feb-2026 04:00:00 04:21:00 252.800 255 -2.2 34.1
Zero Zero 21-Feb-2026 00:46:00 01:07:00 -0.061 0 -.06 3
NOX Zero 21-Feb-2026 00:46:00 01:07:00 -0.03 0 -.03 3
O3 Zero 21-Feb-2026 00:46:00 01:07:00 0.000 0 0.00
SO2 Zero 21-Feb-2026 00:46:00 01:07:00 0.195 0 .2 3
ED NO Zero 21-Feb-2026 00:46:00 01:07:00 0.09 0 .09 3
NO2 NO2_Prec NO2_Prec 21-Feb-2026 04:35:00 04:56:00 74.910 74 .91 10.2
NO2_Span NO2_Span 21-Feb-2026 04:00:00 04:21:00 260.700 260 .7 21.1
Zero Zero 21-Feb-2026 00:46:00 01:07:00 -0.125 0 -.13 3
NOX Zero 21-Feb-2026 00:46:00 01:07:00 -0.04 0 -.04 3
O3 Zero 21-Feb-2026 00:46:00 01:07:00 0.000 0 0.00
EN NO Zero 21-Feb-2026 00:46:00 01:07:00 -0.01 0 -.01 3
NO2 Zero 21-Feb-2026 00:46:00 01:07:00 0.023 0 .02 3
NOX Zero 21-Feb-2026 00:46:00 01:07:00 0.02 0 .02 3
O3 O3_Prec O3_Prec 21-Feb-2026 04:30:00 04:51:00 0.066 0.0675 0.00
O3_Span O3_Span 21-Feb-2026 04:00:00 04:21:00 0.417 0.414 0.00
Zero Zero 21-Feb-2026 00:46:00 01:07:00 0.000 0 0.00
H3 NO Zero 21-Feb-2026 00:46:00 01:07:00 -0.15 0 -.15 3
NO2 Zero 21-Feb-2026 00:46:00 01:07:00 -0.006 0 -.01 3
NOX Zero 21-Feb-2026 00:46:00 01:07:00 -0.15 0 -.15 3
O3 O3_Prec O3_Prec 21-Feb-2026 04:30:00 04:50:00 0.066 0.067 0.00
O3_Span O3_Span 21-Feb-2026 04:00:00 04:21:00 0.402 0.4 0.00
Zero Zero 21-Feb-2026 00:46:00 01:07:00 0.000 0 0.00
HC NO Zero Zero 21-Feb-2026 00:46:00 01:07:00 0.15 0 .15 3
NO2 Zero 21-Feb-2026 00:46:00 01:07:00 -0.150 0 -.15 3
NOX Zero 21-Feb-2026 00:46:00 01:07:00 0.00 0 0.00 3
O3 Zero 21-Feb-2026 00:46:00 01:07:00 0.000 0 0.00
HV CO Zero 21-Feb-2026 00:46:00 01:07:00 0.0 0 .02 .3
NO NOX_Span NOX_Span 21-Feb-2026 04:00:00 04:20:00 387.30 402 -14.7 42.2
Zero Zero 21-Feb-2026 00:46:00 01:07:00 0.13 0 .13 3
NO2 Zero 21-Feb-2026 00:46:00 01:07:00 0.072 0 .07 3
NOX NOX_Span NOX_Span 21-Feb-2026 04:00:00 04:20:00 407.70 421 -13.3 43
Zero Zero 21-Feb-2026 00:46:00 01:07:00 0.20 0 .2 3
O3 Zero 21-Feb-2026 00:46:00 01:07:00 0.000 0 0.00
HW CO Zero 21-Feb-2026 00:46:00 01:07:00 0.1 0 .12 .3
DIFF NOY_Zero NOY_Zero 21-Feb-2026 02:00:00 02:35:00 0.2 0 .15 3
N500NO Zero Zero 21-Feb-2026 00:46:00 01:07:00 -0.178 0 -.18 3
N500NO2 Zero 21-Feb-2026 00:46:00 01:07:00 0.012 0 .01 3
N500NOX Zero 21-Feb-2026 00:46:00 01:07:00 -0.166 * 0 -.17
NO Zero 21-Feb-2026 00:46:00 01:07:00 -0.01 0 -.01 3
NO2 NO2_Prec NO2_Prec 21-Feb-2026 04:30:00 04:51:00 70.000 65.5 4.5 11.1
NO2_Span NO2_Span 21-Feb-2026 04:00:00 04:21:00 273.500 269.7 3.8 29
Zero Zero 21-Feb-2026 00:46:00 01:07:00 0.021 0 .02 3
NOX Zero 21-Feb-2026 00:46:00 01:07:00 0.01 0 .01 3
NOY NOY_Zero NOY_Zero 21-Feb-2026 02:00:00 02:35:00 0.2 0 .17 3
O3 Zero Zero 21-Feb-2026 00:46:00 01:07:00 0.000 0 0.00
SO2TRACE Zero 21-Feb-2026 00:46:00 01:07:00 0.512 0 .51 3
YNO NOY_Zero NOY_Zero 21-Feb-2026 02:00:00 02:35:00 0.0 0 .02 3
LN CO Zero Zero 21-Feb-2026 00:46:00 01:07:00 0.0 0 .01 .3
NO NOX_Span NOX_Span 21-Feb-2026 04:00:00 04:21:00 416.30 404 12.3 43.4
Zero Zero 21-Feb-2026 00:46:00 01:07:00 -0.01 0 -.01 3
NO2 Zero 21-Feb-2026 00:46:00 01:07:00 -0.216 0 -.22 3
NOX NOX_Span NOX_Span 21-Feb-2026 04:00:00 04:21:00 427.90 427 .9 44.1
Zero Zero 21-Feb-2026 00:46:00 01:07:00 -0.23 0 -.23 3
LN O3 Zero Zero 21-Feb-2026 00:46:00 01:07:00 0.000 0 0.00
M7 NO Zero 21-Feb-2026 00:46:00 01:07:00 0.05 0 .05 3
NO2 Zero 21-Feb-2026 00:46:00 01:07:00 -0.136 0 -.14 3
NOX Zero 21-Feb-2026 00:46:00 01:07:00 -0.09 0 -.09 3
O3 O3_Prec O3_Prec 21-Feb-2026 04:30:00 04:51:00 0.061 0.062 0.00
O3_Span O3_Span 21-Feb-2026 04:00:00 04:21:00 0.396 0.395 0.00 .4
Zero Zero 21-Feb-2026 00:46:00 01:07:00 -0.001 0 0.00
NR CO CO_Prec CO_Prec 21-Feb-2026 04:30:00 04:51:00 3.1 * 3.6 -.47 .4
CO_Prec 21-Feb-2026 05:46:00 06:07:00 2.9 * 3.6 -.61 .4
CO_Span CO_Span 21-Feb-2026 04:00:00 04:21:00 39.7 40.1 -.39 3.8
Zero Zero 21-Feb-2026 00:46:00 01:07:00 -0.1 0 -.15 .3
NO Zero 21-Feb-2026 00:46:00 01:07:00 0.03 0 .03 3
NO2 Zero 21-Feb-2026 00:46:00 01:07:00 -0.046 0 -.05 3
NOX Zero 21-Feb-2026 00:46:00 01:07:00 -0.02 0 -.02 3
O3 Zero 21-Feb-2026 00:46:00 01:07:00 0.000 0 0.00
P2 NO NOX_Span NOX_Span 21-Feb-2026 04:00:00 04:20:00 419.60 427 -7.4 42
Zero Zero 21-Feb-2026 00:46:00 01:07:00 1.45 0 1.45 3
NO2 Zero 21-Feb-2026 00:46:00 01:07:00 -0.552 0 -.55 3
NOX NOX_Span NOX_Span 21-Feb-2026 04:00:00 04:20:00 422.80 428 -5.2 42
Zero Zero 21-Feb-2026 00:46:00 01:07:00 0.89 0 .89 3
O3 Zero 21-Feb-2026 00:46:00 01:07:00 0.000 0 0.00
RP CO Zero 21-Feb-2026 00:46:00 01:07:00 0.0 0 .05 .3
NO Zero 21-Feb-2026 00:46:00 01:07:00 0.38 0 .38 3
NO2 Zero 21-Feb-2026 00:46:00 01:07:00 -0.122 0 -.12 3
NOX Zero 21-Feb-2026 00:46:00 01:07:00 0.26 0 .26 3
O3 Zero 21-Feb-2026 00:46:00 01:07:00 0.000 0 0.00
SO2 SO2_Prec SO2_Prec 21-Feb-2026 04:35:00 05:05:00 64.350 63.2 1.15 6.4
SO2_Span SO2_Span 21-Feb-2026 04:00:00 04:30:00 397.500 400 -2.5 40.5
Zero Zero 21-Feb-2026 00:46:00 01:07:00 0.893 0 .89 3
RS NO2TRACE ZERO ZERO 21-Feb-2026 00:46:00 01:07:00 -0.118 0 -.12 3
NOTRACE NOX_Span NOX_Span 21-Feb-2026 04:00:00 04:21:00 359.5 365 -5.5 43.7
RS NOTRACE ZERO ZERO 21-Feb-2026 00:46:00 01:07:00 0.0 0 0.00 3
NOXTRACE NOX_Span NOX_Span 21-Feb-2026 04:00:00 04:21:00 360.1 365 -4.9 43.1
ZERO ZERO 21-Feb-2026 00:46:00 01:07:00 -0.1 0 -.12 3
SF NO Zero Zero 21-Feb-2026 00:46:00 01:07:00 -0.01 0 -.01 3
NO2 Zero 21-Feb-2026 00:46:00 01:07:00 -0.047 0 -.05 3
NOX Zero 21-Feb-2026 00:46:00 01:07:00 -0.06 0 -.06 3
O3 O3_Prec O3_Prec 21-Feb-2026 04:30:00 04:51:00 0.063 0.063 0.00
O3_Span O3_Span 21-Feb-2026 04:00:00 04:21:00 0.398 0.399 0.00
Zero Zero 21-Feb-2026 00:46:00 01:07:00 -0.001 0 0.00
SM NO NOX_Span NOX_Span 21-Feb-2026 04:00:00 04:21:00 337.60 348 -10.4 42.2
Zero Zero 21-Feb-2026 00:46:00 01:07:00 0.13 0 .13 3
NO2 Zero 21-Feb-2026 00:46:00 01:07:00 2.039 0 2.04 3
NOX NOX_Span NOX_Span 21-Feb-2026 04:00:00 04:21:00 358.50 363 -4.5 43.2
Zero Zero 21-Feb-2026 00:46:00 01:07:00 2.17 0 2.17 3
O3 Zero 21-Feb-2026 00:46:00 01:07:00 -0.001 0 0.00
UT CO Zero 21-Feb-2026 00:46:00 01:07:00 0.2 0 .21 .3
NO Zero 21-Feb-2026 00:46:00 01:07:00 0.015 0 .02 3
NO2 Zero 21-Feb-2026 00:46:00 01:07:00 0.047 0 .05 3
NOX Zero 21-Feb-2026 00:46:00 01:07:00 0.062 0 .06 3
O3 O3_Prec O3_Prec 21-Feb-2026 04:30:00 04:51:00 0.0 0.065 0.00 4.5
O3_Span O3_Span 21-Feb-2026 04:00:00 04:21:00 0.3 0.4 0.00 39.9
Zero Zero 21-Feb-2026 00:46:00 01:07:00 0.0 0 0.00
SO2 Zero 21-Feb-2026 00:46:00 01:07:00 0.330 0 .33 3
V4 NO NOX_Span NOX_Span 21-Feb-2026 04:00:00 04:21:00 383.20 405 -21.8 41.2
Zero Zero 21-Feb-2026 00:46:00 01:07:00 0.14 0 .14 3
NO2 Zero 21-Feb-2026 00:46:00 01:07:00 -0.18 0 -.18 3
NOX NOX_Span NOX_Span 21-Feb-2026 04:00:00 04:21:00 385.70 410 -24.3 41.1
Zero Zero 21-Feb-2026 00:46:00 01:07:00 -0.04 0 -.04 3
O3 Zero 21-Feb-2026 00:46:00 01:07:00 -0.002 0 0.00
* - Drift limit exceeded
** - Out of control limit exceeded

Yesterday’s Report: calibrations2026-02-20.CSV

Site Parameter Sequence Phase Start Time End Time Value Expected Value Error Drift Warning Limit
CV CO Zero Zero 20-Feb-2026 00:46:00 01:07:00 0.1 0 .11 .3
NO Zero 20-Feb-2026 00:46:00 01:07:00 0.05 0 .05 3
NO2 Zero 20-Feb-2026 00:46:00 01:07:00 -0.077 0 -.08 3
NOX Zero 20-Feb-2026 00:46:00 01:07:00 -0.03 0 -.03 3
O3 O3_Prec O3_Prec 20-Feb-2026 04:30:00 04:51:00 0.064 0.0655 0.00
O3_Span O3_Span 20-Feb-2026 04:00:00 04:21:00 0.386 0.403 -.02
Zero Zero 20-Feb-2026 00:46:00 01:07:00 0.000 0 0.00
SO2 Zero 20-Feb-2026 00:46:00 01:07:00 0.302 0 .3 3
ED NO Zero 20-Feb-2026 00:46:00 01:07:00 0.09 0 .09 3
NO2 Zero 20-Feb-2026 00:46:00 01:07:00 -0.008 0 -.01 3
NOX Zero 20-Feb-2026 00:46:00 01:07:00 0.08 0 .08 3
O3 O3_Prec O3_Prec 20-Feb-2026 04:30:00 04:51:00 0.069 0.069 0.00
O3_Span O3_Span 20-Feb-2026 04:00:00 04:21:00 0.429 0.434 0.00
Zero Zero 20-Feb-2026 00:46:00 01:07:00 -0.001 0 0.00
EN NO Zero 20-Feb-2026 00:46:00 01:07:00 -0.22 0 -.22 3
NO2 Zero 20-Feb-2026 00:46:00 01:07:00 0.026 0 .03 3
NOX Zero 20-Feb-2026 00:46:00 01:07:00 -0.19 0 -.19 3
O3 Zero 20-Feb-2026 00:46:00 01:07:00 0.000 0 0.00
H3 NO Zero 20-Feb-2026 00:46:00 01:07:00 0.02 0 .02 3
NO2 Zero 20-Feb-2026 00:46:00 01:07:00 -0.018 0 -.02 3
NOX Zero 20-Feb-2026 00:46:00 01:07:00 0.00 0 0.00 3
O3 Zero 20-Feb-2026 00:46:00 01:07:00 0.000 0 0.00
HC NO Zero 20-Feb-2026 00:46:00 01:07:00 0.19 0 .19 3
NO2 Zero 20-Feb-2026 00:46:00 01:07:00 -0.169 0 -.17 3
NOX Zero 20-Feb-2026 00:46:00 01:07:00 0.02 0 .02 3
O3 O3_Prec O3_Prec 20-Feb-2026 04:30:00 04:51:00 0.065 0.066 0.00
O3_Span O3_Span 20-Feb-2026 04:00:00 04:21:00 0.405 0.406 0.00
Zero Zero 20-Feb-2026 00:46:00 01:07:00 0.000 0 0.00
HV CO Zero 20-Feb-2026 00:46:00 01:07:00 0.0 0 .04 .3
NO Zero 20-Feb-2026 00:46:00 01:07:00 0.19 0 .19 3
NO2 Zero 20-Feb-2026 00:46:00 01:07:00 0.013 0 .01 3
NOX Zero 20-Feb-2026 00:46:00 01:07:00 0.21 0 .21 3
HV O3 O3_Prec O3_Prec 20-Feb-2026 04:30:00 04:51:00 0.063 0.063 0.00
O3_Span O3_Span 20-Feb-2026 04:00:00 04:21:00 0.396 0.394 0.00
Zero Zero 20-Feb-2026 00:46:00 01:07:00 0.000 0 0.00
HW CO Zero 20-Feb-2026 00:46:00 01:07:00 -0.1 0 -.13 .3
DIFF DIFFPrec DIFFPrec 20-Feb-2026 04:31:00 04:56:00 59.8 * 74.6 -14.84 3.9
DIFFPrec 20-Feb-2026 05:47:00 06:12:00 67.5 * 74.6 -7.09 3.9
DIFFSpan DIFFSpan 20-Feb-2026 04:00:00 04:25:00 245.8 255.42 -9.62 16
NOY_Zero NOY_Zero 20-Feb-2026 02:00:00 02:35:00 0.1 0 .07 3
N500NO Zero Zero 20-Feb-2026 00:46:00 01:07:00 -0.151 0 -.15 3
N500NO2 Zero 20-Feb-2026 00:46:00 01:07:00 -0.032 0 -.03 3
N500NOX Zero 20-Feb-2026 00:46:00 01:07:00 -0.183 * 0 -.18
NO Zero 20-Feb-2026 00:46:00 01:07:00 -0.02 0 -.02 3
NO2 Zero 20-Feb-2026 00:46:00 01:07:00 0.026 0 .03 3
NOX Zero 20-Feb-2026 00:46:00 01:07:00 0.01 0 .01 3
NOY NOY_Zero NOY_Zero 20-Feb-2026 02:00:00 02:35:00 0.1 0 .12 3
O3 Zero Zero 20-Feb-2026 00:46:00 01:07:00 0.000 0 0.00
SO2TRACE Zero 20-Feb-2026 00:46:00 01:07:00 0.763 0 .76 3
YNO NOY_Zero NOY_Zero 20-Feb-2026 02:00:00 02:35:00 0.1 0 .05 3
LN CO Zero Zero 20-Feb-2026 00:46:00 01:07:00 0.2 0 .3 .3
NO Zero 20-Feb-2026 00:46:00 01:07:00 0.14 0 .14 3
NO2 NO2_PREC NO2_PREC 20-Feb-2026 04:30:00 04:51:00 63.850 64 -.15 9.6
NO2_SPAN NO2_SPAN 20-Feb-2026 04:00:00 04:21:00 244.700 245 -.3 23.8
Zero Zero 20-Feb-2026 00:46:00 01:07:00 -0.174 0 -.17 3
NOX Zero 20-Feb-2026 00:46:00 01:07:00 -0.04 0 -.04 3
O3 Zero 20-Feb-2026 00:46:00 01:07:00 -0.001 0 0.00
M7 NO Zero 20-Feb-2026 00:46:00 01:07:00 -0.03 0 -.03 3
NO2 NO2_Prec NO2_Prec 20-Feb-2026 04:30:00 04:51:00 72.000 72 0.00 10.7
NO2_Span NO2_Span 20-Feb-2026 04:00:00 04:21:00 252.900 250 2.9 26.5
Zero Zero 20-Feb-2026 00:46:00 01:07:00 -0.020 0 -.02 3
NOX Zero 20-Feb-2026 00:46:00 01:07:00 -0.05 0 -.05 3
O3 Zero 20-Feb-2026 00:46:00 01:07:00 -0.002 0 0.00
NR CO Zero Zero 20-Feb-2026 00:46:00 01:07:00 -0.2 0 -.23 .3
NO Zero 20-Feb-2026 00:46:00 01:07:00 0.02 0 .02 3
NO2 Zero 20-Feb-2026 00:46:00 01:07:00 -0.095 0 -.1 3
NOX Zero 20-Feb-2026 00:46:00 01:07:00 -0.08 0 -.08 3
O3 O3_Prec O3_Prec 20-Feb-2026 04:30:00 04:51:00 0.065 0.065 0.00
O3_Span O3_Span 20-Feb-2026 04:00:00 04:21:00 0.402 0.4 0.00
Zero Zero 20-Feb-2026 00:46:00 01:07:00 0.000 0 0.00
P2 NO Zero 20-Feb-2026 00:46:00 01:07:00 1.47 0 1.47 3
NO2 NO2_Prec NO2_Prec 20-Feb-2026 04:30:00 04:51:00 61.230 60.5 .73 10.4
NO2_Span NO2_Span 20-Feb-2026 04:00:00 04:21:00 196.200 191 5.2 39.8
Zero Zero 20-Feb-2026 00:46:00 01:07:00 -0.490 0 -.49 3
NOX Zero 20-Feb-2026 00:46:00 01:07:00 0.98 0 .98 3
O3 Zero 20-Feb-2026 00:46:00 01:07:00 0.000 0 0.00
RP CO Zero 20-Feb-2026 00:46:00 01:07:00 0.0 0 .03 .3
NO Zero 20-Feb-2026 00:46:00 01:07:00 0.37 0 .37 3
NO2 Zero 20-Feb-2026 00:46:00 01:07:00 -0.180 0 -.18 3
NOX Zero 20-Feb-2026 00:46:00 01:07:00 0.19 0 .19 3
O3 Zero 20-Feb-2026 00:46:00 01:07:00 0.000 0 0.00
SO2 Zero 20-Feb-2026 00:46:00 01:07:00 0.476 0 .48 3
RS NO2TRACE NO2_Prec NO2_Prec 20-Feb-2026 04:30:00 04:51:00 52.390 52 .39 9.7
NO2_Span NO2_Span 20-Feb-2026 04:00:00 04:21:00 171.300 156 15.3 21.7
ZERO ZERO 20-Feb-2026 00:46:00 01:07:00 -0.123 0 -.12 3
NOTRACE ZERO 20-Feb-2026 00:46:00 01:07:00 0.0 0 .02 3
NOXTRACE ZERO 20-Feb-2026 00:46:00 01:07:00 -0.1 0 -.1 3
SF NO Zero Zero 20-Feb-2026 00:46:00 01:07:00 -0.06 0 -.06 3
NO2 NO2_Prec NO2_Prec 20-Feb-2026 04:30:00 04:51:00 66.930 65 1.93 8.9
NO2_Span NO2_Span 20-Feb-2026 04:00:00 04:21:00 273.500 268 5.5 25.3
Zero Zero 20-Feb-2026 00:46:00 01:07:00 -0.057 0 -.06 3
NOX Zero 20-Feb-2026 00:46:00 01:07:00 -0.11 0 -.11 3
O3 Zero 20-Feb-2026 00:46:00 01:07:00 -0.001 0 0.00
SM NO Zero 20-Feb-2026 00:46:00 01:07:00 -0.08 0 -.08 3
SM NO2 NO2_Prec NO2_Prec 20-Feb-2026 04:30:00 04:51:00 80.700 74 6.7 9.8
NO2_Span NO2_Span 20-Feb-2026 04:00:00 04:21:00 264.000 256 8 26.6
Zero Zero 20-Feb-2026 00:46:00 01:07:00 0.825 0 .83 3
NOX Zero 20-Feb-2026 00:46:00 01:07:00 0.74 0 .74 3
O3 Zero 20-Feb-2026 00:46:00 01:07:00 -0.002 0 0.00
UT CO Zero 20-Feb-2026 00:46:00 01:07:00 0.2 0 .21 .3
NO Zero 20-Feb-2026 00:46:00 01:07:00 -0.008 0 -.01 3
NO2 NO2_Prec NO2_Prec 20-Feb-2026 04:30:00 04:51:00 67.400 66 1.4 10.2
NO2_Span NO2_Span 20-Feb-2026 04:00:00 04:21:00 264.300 256 8.3 26.5
Zero Zero 20-Feb-2026 00:46:00 01:07:00 0.037 0 .04 3
NOX Zero 20-Feb-2026 00:46:00 01:07:00 0.029 0 .03 3
O3 Zero 20-Feb-2026 00:46:00 01:07:00 0.0 0 0.00
SO2 Zero 20-Feb-2026 00:46:00 01:07:00 0.495 0 .5 3
V4 NO Zero 20-Feb-2026 00:46:00 01:07:00 0.23 0 .23 3
NO2 NO2_Prec NO2_Prec 20-Feb-2026 04:30:00 04:51:00 69.04 74 -4.96 9.8
NO2_Span NO2_Span 20-Feb-2026 04:00:00 04:21:00 255.50 264 -8.5 26.5
Zero Zero 20-Feb-2026 00:46:00 01:07:00 -0.08 0 -.08 3
NOX Zero 20-Feb-2026 00:46:00 01:07:00 0.14 0 .15 3
O3 Zero 20-Feb-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