Latest Calibration Reports

Today’s Report: calibrations2026-04-24.CSV

Site Parameter Sequence Phase Start Time End Time Value Expected Value Error Drift Warning Limit
BV NO Zero Zero 24-Apr-2026 00:46:00 01:07:00 0.06 0 .06 3
NO2 Zero 24-Apr-2026 00:46:00 01:07:00 -0.076 0 -.08 3
NOX Zero 24-Apr-2026 00:46:00 01:07:00 -0.02 0 -.02 3
O3 O3_Prec O3_Prec 24-Apr-2026 04:30:00 04:51:00 0.065 0.066 0.00
O3_Span O3_Span 24-Apr-2026 04:00:00 04:21:00 0.401 0.401 0.00
Zero Zero 24-Apr-2026 00:46:00 01:07:00 -0.001 0 0.00
CV CO Zero 24-Apr-2026 00:46:00 01:07:00 0.0 0 .08 .3
NO Zero 24-Apr-2026 00:46:00 01:07:00 0.04 0 .04 3
NO2 Zero 24-Apr-2026 00:46:00 01:07:00 -0.117 0 -.12 3
NOX Zero 24-Apr-2026 00:46:00 01:07:00 -0.08 0 -.08 3
O3 O3_Prec O3_Prec 24-Apr-2026 04:30:00 04:51:00 0.064 0.0643 0.00
O3_Span O3_Span 24-Apr-2026 04:00:00 04:21:00 0.391 0.3954 0.00
Zero Zero 24-Apr-2026 00:46:00 01:07:00 0.000 0 0.00
SO2 Zero 24-Apr-2026 00:46:00 01:07:00 0.361 0 .36 3
ED NO Zero 24-Apr-2026 00:46:00 01:07:00 0.09 0 .09 3
NO2 Zero 24-Apr-2026 00:46:00 01:07:00 -0.081 0 -.08 3
NOX Zero 24-Apr-2026 00:46:00 01:07:00 0.01 0 .01 3
O3 O3_Prec O3_Prec 24-Apr-2026 04:30:00 04:51:00 0.068 0.069 0.00
O3_Span O3_Span 24-Apr-2026 04:00:00 04:21:00 0.428 0.434 -.01
Zero Zero 24-Apr-2026 00:46:00 01:07:00 -0.001 0 0.00
EN NO Zero 24-Apr-2026 00:46:00 01:07:00 -0.24 0 -.24 3
NO2 Zero 24-Apr-2026 00:46:00 01:07:00 0.016 0 .02 3
NOX Zero 24-Apr-2026 00:46:00 01:07:00 -0.22 0 -.22 3
O3 Zero 24-Apr-2026 00:46:00 01:07:00 0.000 0 0.00
H3 NO Zero 24-Apr-2026 00:46:00 01:07:00 0.14 0 .14 3
NO2 Zero 24-Apr-2026 00:46:00 01:07:00 -0.065 0 -.07 3
NOX Zero 24-Apr-2026 00:46:00 01:07:00 0.08 0 .08 3
O3 Zero 24-Apr-2026 00:46:00 01:07:00 0.000 0 0.00
HC NO Zero 24-Apr-2026 00:46:00 01:07:00 0.14 0 .14 3
NO2 Zero 24-Apr-2026 00:46:00 01:07:00 -0.464 0 -.46 3
NOX Zero 24-Apr-2026 00:46:00 01:07:00 -0.33 0 -.33 3
O3 O3_Prec O3_Prec 24-Apr-2026 04:30:00 04:51:00 0.062 0.063 0.00
HC O3 O3_Span O3_Span 24-Apr-2026 04:00:00 04:21:00 0.400 0.4 0.00
Zero Zero 24-Apr-2026 00:46:00 01:07:00 -0.001 0 0.00
HV CO Zero 24-Apr-2026 00:46:00 01:07:00 0.1 0 .12 .3
NO Zero 24-Apr-2026 00:46:00 01:07:00 0.04 0 .04 3
NO2 Zero 24-Apr-2026 00:46:00 01:07:00 -0.050 0 -.05 3
NOX Zero 24-Apr-2026 00:46:00 01:07:00 -0.01 0 -.01 3
O3 O3_Prec O3_Prec 24-Apr-2026 04:30:00 04:51:00 0.072 0.072 0.00
O3_Span O3_Span 24-Apr-2026 04:00:00 04:21:00 0.403 0.403 0.00
Zero Zero 24-Apr-2026 00:46:00 01:07:00 0.000 0 0.00
HW CO Zero 24-Apr-2026 00:46:00 01:07:00 0.1 0 .12 .3
DIFF DIFFPrec DIFFPrec 24-Apr-2026 04:31:00 04:56:00 71.2 72 -.82 3.9
DIFFSpan DIFFSpan 24-Apr-2026 04:00:00 04:25:00 266.0 268 -2 16
NOY_Zero NOY_Zero 24-Apr-2026 02:00:00 02:35:00 0.2 0 .18 3
N500NO Zero Zero 24-Apr-2026 00:46:00 01:07:00 -0.050 0 -.05 3
N500NO2 Zero 24-Apr-2026 00:46:00 01:07:00 0.087 0 .09 3
N500NOX Zero 24-Apr-2026 00:46:00 01:07:00 0.037 * 0 .04
NO Zero 24-Apr-2026 00:46:00 01:07:00 0.01 0 .01 3
NO2 Zero 24-Apr-2026 00:46:00 01:07:00 0.018 0 .02 3
NOX Zero 24-Apr-2026 00:46:00 01:07:00 0.03 0 .03 3
NOY NOY_Zero NOY_Zero 24-Apr-2026 02:00:00 02:35:00 0.2 0 .2 3
O3 Zero Zero 24-Apr-2026 00:46:00 01:07:00 0.000 0 0.00
SO2TRACE Zero 24-Apr-2026 00:46:00 01:07:00 0.815 0 .82 3
YNO NOY_Zero NOY_Zero 24-Apr-2026 02:00:00 02:35:00 0.0 0 .02 3
LN CO Zero Zero 24-Apr-2026 00:46:00 01:07:00 0.0 0 .04 .3
NO Zero 24-Apr-2026 00:46:00 01:07:00 0.14 0 .14 3
NO2 NO2_PREC NO2_PREC 24-Apr-2026 04:30:00 04:51:00 64.060 64 .06 9.6
NO2_SPAN NO2_SPAN 24-Apr-2026 04:00:00 04:21:00 249.100 245 4.1 23.8
Zero Zero 24-Apr-2026 00:46:00 01:07:00 -0.177 0 -.18 3
NOX Zero 24-Apr-2026 00:46:00 01:07:00 -0.04 0 -.04 3
O3 Zero 24-Apr-2026 00:46:00 01:07:00 0.000 0 0.00
M7 NO Zero 24-Apr-2026 00:46:00 01:07:00 0.03 0 .03 3
M7 NO2 NO2_Prec NO2_Prec 24-Apr-2026 04:30:00 04:51:00 70.080 71.6 -1.52 10.7
NO2_Span NO2_Span 24-Apr-2026 04:00:00 04:21:00 251.300 253 -1.7 26.5
Zero Zero 24-Apr-2026 00:46:00 01:07:00 0.011 0 .01 3
NOX Zero 24-Apr-2026 00:46:00 01:07:00 0.04 0 .04 3
O3 Zero 24-Apr-2026 00:46:00 01:07:00 0.000 0 0.00
NR CO Zero 24-Apr-2026 00:46:00 01:07:00 0.0 0 -.09 .3
NO Zero 24-Apr-2026 00:46:00 01:07:00 0.03 0 .03 3
NO2 Zero 24-Apr-2026 00:46:00 01:07:00 -0.111 0 -.11 3
NOX Zero 24-Apr-2026 00:46:00 01:07:00 -0.08 0 -.08 3
O3 O3_Prec O3_Prec 24-Apr-2026 04:30:00 04:51:00 0.065 0.065 0.00
O3_Span O3_Span 24-Apr-2026 04:00:00 04:21:00 0.402 0.4 0.00
Zero Zero 24-Apr-2026 00:46:00 01:07:00 0.000 0 0.00
P2 NO Zero 24-Apr-2026 00:46:00 01:07:00 1.34 0 1.34 3
NO2 NO2_Prec NO2_Prec 24-Apr-2026 04:30:00 04:51:00 65.560 60.5 5.06 10.4
NO2_Span NO2_Span 24-Apr-2026 04:00:00 04:21:00 210.400 191 19.4 39.8
NO2_Span 24-Apr-2026 05:46:00 06:07:00 199.500 191 8.5 39.8
Zero Zero 24-Apr-2026 00:46:00 01:07:00 -0.600 0 -.6 3
NOX Zero 24-Apr-2026 00:46:00 01:07:00 0.74 0 .74 3
O3 Zero 24-Apr-2026 00:46:00 01:07:00 0.000 0 0.00
RP CO Zero 24-Apr-2026 00:46:00 01:07:00 -0.1 0 -.11 .3
NO Zero 24-Apr-2026 00:46:00 01:07:00 0.45 0 .45 3
NO2 Zero 24-Apr-2026 00:46:00 01:07:00 -0.128 0 -.13 3
NOX Zero 24-Apr-2026 00:46:00 01:07:00 0.32 0 .32 3
O3 Zero 24-Apr-2026 00:46:00 01:07:00 0.000 0 0.00
SO2 Zero 24-Apr-2026 00:46:00 01:07:00 0.921 0 .92 3
RS NO2TRACE NO2_Prec NO2_Prec 24-Apr-2026 04:30:00 04:51:00 51.860 52 -.14 9.7
NO2_Span NO2_Span 24-Apr-2026 04:00:00 04:21:00 167.100 156 11.1 21.7
NO2_Span 24-Apr-2026 05:47:00 06:08:00 154.100 156 -1.9 21.7
ZERO ZERO 24-Apr-2026 00:46:00 01:07:00 -0.106 0 -.11 3
NOTRACE ZERO 24-Apr-2026 00:46:00 01:07:00 0.0 0 .01 3
NOXTRACE ZERO 24-Apr-2026 00:46:00 01:07:00 -0.1 0 -.1 3
SF NO Zero Zero 24-Apr-2026 00:46:00 01:07:00 0.00 0 0.00 3
NO2 NO2_Prec NO2_Prec 24-Apr-2026 04:30:00 04:51:00 65.690 65 .69 8.9
NO2_Span NO2_Span 24-Apr-2026 04:00:00 04:21:00 269.400 268 1.4 25.3
Zero Zero 24-Apr-2026 00:46:00 01:07:00 -0.061 0 -.06 3
NOX Zero 24-Apr-2026 00:46:00 01:07:00 -0.06 0 -.06 3
O3 Zero 24-Apr-2026 00:46:00 01:07:00 -0.001 0 0.00
SM NO Zero 24-Apr-2026 00:46:00 01:07:00 -0.04 0 -.04 3
NO2 NO2_Prec NO2_Prec 24-Apr-2026 04:30:00 04:51:00 72.360 73.16 -.8 9.8
NO2_Span NO2_Span 24-Apr-2026 04:00:00 04:21:00 265.400 257.8 7.6 26.6
Zero Zero 24-Apr-2026 00:46:00 01:07:00 -0.013 0 -.01 3
NOX Zero 24-Apr-2026 00:46:00 01:07:00 -0.05 0 -.05 3
O3 Zero 24-Apr-2026 00:46:00 01:07:00 -0.002 0 0.00
UT CO Zero 24-Apr-2026 00:46:00 01:07:00 0.2 0 .21 .3
NO Zero 24-Apr-2026 00:46:00 01:07:00 0.025 0 .03 3
NO2 NO2_Prec NO2_Prec 24-Apr-2026 04:30:00 04:51:00 68.250 66 2.25 10.2
NO2_Span NO2_Span 24-Apr-2026 04:00:00 04:21:00 267.300 256 11.3 26.5
Zero Zero 24-Apr-2026 00:46:00 01:07:00 -0.008 0 -.01 3
NOX Zero 24-Apr-2026 00:46:00 01:07:00 0.017 0 .02 3
O3 Zero 24-Apr-2026 00:46:00 01:07:00 0.0 0 0.00
SO2 Zero 24-Apr-2026 00:46:00 01:07:00 0.550 0 .55 3
V4 NO Zero 24-Apr-2026 00:46:00 01:07:00 0.13 0 .13 3
NO2 NO2_Prec NO2_Prec 24-Apr-2026 04:30:00 04:51:00 69.84 74 -4.16 9.8
NO2_Span NO2_Span 24-Apr-2026 04:00:00 04:21:00 263.10 264 -.9 26.5
Zero Zero 24-Apr-2026 00:46:00 01:07:00 -0.14 0 -.14 3
NOX Zero 24-Apr-2026 00:46:00 01:07:00 -0.01 0 -.01 3
O3 Zero 24-Apr-2026 00:46:00 01:07:00 -0.002 0 0.00
* - Drift limit exceeded
** - Out of control limit exceeded

Yesterday’s Report: calibrations2026-04-23.CSV

Site Parameter Sequence Phase Start Time End Time Value Expected Value Error Drift Warning Limit
BV NO Zero Zero 23-Apr-2026 00:46:00 01:07:00 0.06 0 .06 3
NO2 Zero 23-Apr-2026 00:46:00 01:07:00 -0.043 0 -.04 3
NOX Zero 23-Apr-2026 00:46:00 01:07:00 0.02 0 .02 3
O3 Zero 23-Apr-2026 00:46:00 01:07:00 -0.001 0 0.00
CV CO Zero 23-Apr-2026 00:46:00 01:07:00 0.0 0 .07 .3
NO Zero 23-Apr-2026 00:46:00 01:07:00 0.05 0 .05 3
NO2 Zero 23-Apr-2026 00:46:00 01:07:00 -0.141 0 -.14 3
NOX Zero 23-Apr-2026 00:46:00 01:07:00 -0.10 0 -.1 3
O3 Zero 23-Apr-2026 00:46:00 01:07:00 0.000 0 0.00
SO2 Zero 23-Apr-2026 00:46:00 01:07:00 0.360 0 .36 3
ED NO Zero 23-Apr-2026 00:46:00 01:07:00 -0.02 0 -.02 3
NO2 Zero 23-Apr-2026 00:46:00 01:07:00 -0.007 0 -.01 3
NOX Zero 23-Apr-2026 00:46:00 01:07:00 -0.03 0 -.03 3
O3 Zero 23-Apr-2026 00:46:00 01:07:00 -0.001 0 0.00
EN NO Zero 23-Apr-2026 00:46:00 01:07:00 -0.10 0 -.1 3
NO2 Zero 23-Apr-2026 00:46:00 01:07:00 -0.033 0 -.03 3
NOX Zero 23-Apr-2026 00:46:00 01:07:00 -0.13 0 -.13 3
O3 Zero 23-Apr-2026 00:46:00 01:07:00 0.000 0 0.00
H3 NO Zero 23-Apr-2026 00:46:00 01:07:00 0.23 0 .23 3
NO2 Zero 23-Apr-2026 00:46:00 01:07:00 -0.192 0 -.19 3
NOX Zero 23-Apr-2026 00:46:00 01:07:00 0.03 0 .03 3
O3 Zero 23-Apr-2026 00:46:00 01:07:00 0.000 0 0.00
HC NO NOX_Span NOX_Span 23-Apr-2026 04:00:00 04:21:00 377.20 382 -4.8 43.1
Zero Zero 23-Apr-2026 00:46:00 01:07:00 0.23 0 .23 3
NO2 Zero 23-Apr-2026 00:46:00 01:07:00 -0.572 0 -.57 3
NOX NOX_Span NOX_Span 23-Apr-2026 04:00:00 04:21:00 396.00 396 0.00 43.2
Zero Zero 23-Apr-2026 00:46:00 01:07:00 -0.35 0 -.35 3
O3 Zero 23-Apr-2026 00:46:00 01:07:00 0.000 0 0.00
HV CO Zero 23-Apr-2026 00:46:00 01:07:00 0.1 0 .12 .3
NO Zero 23-Apr-2026 00:46:00 01:07:00 -0.15 0 -.15 3
NO2 Zero 23-Apr-2026 00:46:00 01:07:00 -0.078 0 -.08 3
NOX Zero 23-Apr-2026 00:46:00 01:07:00 -0.23 0 -.23 3
HV O3 Zero Zero 23-Apr-2026 00:46:00 01:07:00 0.000 0 0.00
HW CO Zero 23-Apr-2026 00:46:00 01:07:00 0.1 0 .12 .3
DIFF NOY_Zero NOY_Zero 23-Apr-2026 02:00:00 02:35:00 0.3 0 .27 3
N500NO Zero Zero 23-Apr-2026 00:46:00 01:07:00 -0.170 0 -.17 3
N500NO2 Zero 23-Apr-2026 00:46:00 01:07:00 0.060 0 .06 3
N500NOX Zero 23-Apr-2026 00:46:00 01:07:00 -0.111 * 0 -.11
NO Zero 23-Apr-2026 00:46:00 01:07:00 0.01 0 .01 3
NO2 Zero 23-Apr-2026 00:46:00 01:07:00 0.025 0 .03 3
NOX Zero 23-Apr-2026 00:46:00 01:07:00 0.03 0 .03 3
NOY NOY_Zero NOY_Zero 23-Apr-2026 02:00:00 02:35:00 0.3 0 .27 3
NOYNOSpa NOYNOSpa 23-Apr-2026 04:00:00 04:21:00 441.2 443 -1.8 18.3
O3 Zero Zero 23-Apr-2026 00:46:00 01:07:00 0.000 0 0.00
SO2TRACE Zero 23-Apr-2026 00:46:00 01:07:00 0.763 0 .76 3
YNO NOY_Zero NOY_Zero 23-Apr-2026 02:00:00 02:35:00 0.0 0 -.01 3
NOYNOSpa NOYNOSpa 23-Apr-2026 04:00:00 04:21:00 431.1 435 -3.9 18
LN CO Zero Zero 23-Apr-2026 00:46:00 01:07:00 0.0 0 .04 .3
NO Zero 23-Apr-2026 00:46:00 01:07:00 0.17 0 .17 3
NO2 Zero 23-Apr-2026 00:46:00 01:07:00 -0.156 0 -.16 3
NOX Zero 23-Apr-2026 00:46:00 01:07:00 0.02 0 .02 3
O3 Zero 23-Apr-2026 00:46:00 01:07:00 0.000 0 0.00
M7 NO Zero 23-Apr-2026 00:46:00 01:07:00 0.03 0 .03 3
NO2 Zero 23-Apr-2026 00:46:00 01:07:00 -0.033 0 -.03 3
NOX Zero 23-Apr-2026 00:46:00 01:07:00 0.00 0 0.00 3
O3 Zero 23-Apr-2026 00:46:00 01:07:00 0.000 0 0.00
NR CO Zero 23-Apr-2026 00:46:00 01:07:00 0.0 0 -.1 .3
NO Zero 23-Apr-2026 00:46:00 01:07:00 0.00 0 0.00 3
NO2 Zero 23-Apr-2026 00:46:00 01:07:00 -0.126 0 -.13 3
NOX Zero 23-Apr-2026 00:46:00 01:07:00 -0.12 0 -.12 3
O3 Zero 23-Apr-2026 00:46:00 01:07:00 0.000 0 0.00
P2 NO Zero 23-Apr-2026 00:46:00 01:07:00 1.48 0 1.48 3
NO2 Zero 23-Apr-2026 00:46:00 01:07:00 -0.610 0 -.61 3
P2 NOX Zero Zero 23-Apr-2026 00:46:00 01:07:00 0.87 0 .87 3
O3 O3_Prec O3_Prec 23-Apr-2026 04:30:00 04:51:00 0.066 0.067 0.00
O3_Span O3_Span 23-Apr-2026 04:00:00 04:21:00 0.404 0.403 0.00
Zero Zero 23-Apr-2026 00:46:00 01:07:00 0.000 0 0.00
RP CO Zero 23-Apr-2026 00:46:00 01:07:00 -0.1 0 -.13 .3
NO Zero 23-Apr-2026 00:46:00 01:07:00 0.47 0 .47 3
NO2 Zero 23-Apr-2026 00:46:00 01:07:00 -0.272 0 -.27 3
NOX Zero 23-Apr-2026 00:46:00 01:07:00 0.20 0 .2 3
O3 Zero 23-Apr-2026 00:46:00 01:07:00 0.000 0 0.00
SO2 Zero 23-Apr-2026 00:46:00 01:07:00 0.675 0 .68 3
RS NO2TRACE ZERO ZERO 23-Apr-2026 00:46:00 01:07:00 -0.106 0 -.11 3
NOTRACE ZERO 23-Apr-2026 00:46:00 01:07:00 0.0 0 0.00 3
NOXTRACE ZERO 23-Apr-2026 00:46:00 01:07:00 -0.1 0 -.11 3
SF NO Zero Zero 23-Apr-2026 00:46:00 01:07:00 0.04 0 .04 3
NO2 Zero 23-Apr-2026 00:46:00 01:07:00 -0.068 0 -.07 3
NOX Zero 23-Apr-2026 00:46:00 01:07:00 -0.03 0 -.03 3
O3 Zero 23-Apr-2026 00:46:00 01:07:00 -0.001 0 0.00
SM NO Zero 23-Apr-2026 00:46:00 01:07:00 -0.05 0 -.05 3
NO2 Zero 23-Apr-2026 00:46:00 01:07:00 0.049 0 .05 3
NOX Zero 23-Apr-2026 00:46:00 01:07:00 0.00 0 0.00 3
O3 Zero 23-Apr-2026 00:46:00 01:07:00 -0.001 0 0.00
UT CO Zero 23-Apr-2026 00:46:00 01:07:00 0.2 0 .21 .3
NO NOX_Span NOX_Span 23-Apr-2026 04:00:00 04:21:00 373.200 397 -23.8 40.7
Zero Zero 23-Apr-2026 00:46:00 01:07:00 -0.034 0 -.03 3
NO2 Zero 23-Apr-2026 00:46:00 01:07:00 0.002 0 0.00 3
NOX NOX_Span NOX_Span 23-Apr-2026 04:00:00 04:21:00 379.300 402 -22.7 41
Zero Zero 23-Apr-2026 00:46:00 01:07:00 -0.032 0 -.03 3
O3 Zero 23-Apr-2026 00:46:00 01:07:00 0.0 0 0.00
SO2 Zero 23-Apr-2026 00:46:00 01:07:00 0.542 0 .54 3
V4 NO Zero 23-Apr-2026 00:46:00 01:07:00 0.00 0 0.00 3
NO2 Zero 23-Apr-2026 00:46:00 01:07:00 -0.13 0 -.13 3
V4 NOX Zero Zero 23-Apr-2026 00:46:00 01:07:00 -0.12 0 -.12 3
O3 Zero 23-Apr-2026 00:46:00 01:07:00 -0.001 0 0.00
* - Drift limit exceeded
** - Out of control limit exceeded

First Report: calibrations2020-03-26.PDF