Latest Calibration Reports

Today’s Report: calibrations2025-12-05.CSV

Site Parameter Sequence Phase Start Time End Time Value Expected Value Error Drift Warning Limit
BV NO Zero Zero 05-Dec-2025 00:46:00 01:07:00 0.21 0 .21 3
NO2 Zero 05-Dec-2025 00:46:00 01:07:00 -0.191 0 -.19 3
NOX Zero 05-Dec-2025 00:46:00 01:07:00 0.02 0 .02 3
O3 O3_Prec O3_Prec 05-Dec-2025 04:30:00 04:51:00 0.064 0.065 0.00
O3_Span O3_Span 05-Dec-2025 04:00:00 04:21:00 0.408 0.408 0.00
Zero Zero 05-Dec-2025 00:46:00 01:07:00 0.000 0 0.00
CV CO Zero 05-Dec-2025 00:46:00 01:07:00 0.1 0 .11 .3
NO Zero 05-Dec-2025 00:46:00 01:07:00 0.08 0 .08 3
NO2 Zero 05-Dec-2025 00:46:00 01:07:00 0.085 0 .09 3
NOX Zero 05-Dec-2025 00:46:00 01:07:00 0.17 0 .17 3
O3 O3_Prec O3_Prec 05-Dec-2025 04:30:00 04:51:00 0.064 0.0655 0.00
O3_Span O3_Span 05-Dec-2025 04:00:00 04:21:00 0.397 0.403 -.01
Zero Zero 05-Dec-2025 00:46:00 01:07:00 0.000 0 0.00
SO2 Zero 05-Dec-2025 00:46:00 01:07:00 0.306 0 .31 3
ED NO Zero 05-Dec-2025 00:46:00 01:07:00 0.09 0 .09 3
NO2 Zero 05-Dec-2025 00:46:00 01:07:00 0.033 0 .03 3
NOX Zero 05-Dec-2025 00:46:00 01:07:00 0.13 0 .13 3
O3 O3_Prec O3_Prec 05-Dec-2025 04:30:00 04:51:00 0.069 0.069 0.00
O3_Span O3_Span 05-Dec-2025 04:00:00 04:21:00 0.433 0.434 0.00
Zero Zero 05-Dec-2025 00:46:00 01:07:00 -0.001 0 0.00
EN NO Zero 05-Dec-2025 00:46:00 01:07:00 -0.01 0 -.01 3
NO2 Zero 05-Dec-2025 00:46:00 01:07:00 0.045 0 .05 3
NOX Zero 05-Dec-2025 00:46:00 01:07:00 0.04 0 .04 3
O3 Zero 05-Dec-2025 00:46:00 01:07:00 0.000 0 0.00
H3 NO Zero 05-Dec-2025 00:46:00 01:07:00 -0.01 0 -.01 3
NO2 Zero 05-Dec-2025 00:46:00 01:07:00 0.102 0 .1 3
NOX Zero 05-Dec-2025 00:46:00 01:07:00 0.09 0 .09 3
O3 Zero 05-Dec-2025 00:46:00 01:07:00 0.000 0 0.00
HC NO Zero 05-Dec-2025 00:46:00 01:07:00 0.17 0 .17 3
NO2 Zero 05-Dec-2025 00:46:00 01:07:00 -0.008 0 -.01 3
NOX Zero 05-Dec-2025 00:46:00 01:07:00 0.16 0 .16 3
O3 O3_Prec O3_Prec 05-Dec-2025 04:30:00 04:51:00 0.065 0.066 0.00
HC O3 O3_Span O3_Span 05-Dec-2025 04:00:00 04:21:00 0.404 0.406 0.00
Zero Zero 05-Dec-2025 00:46:00 01:07:00 0.000 0 0.00
HV CO Zero 05-Dec-2025 00:46:00 01:07:00 0.1 0 .18 .3
NO Zero 05-Dec-2025 00:46:00 01:07:00 0.24 0 .24 3
NO2 Zero 05-Dec-2025 00:46:00 01:07:00 0.048 0 .05 3
NOX Zero 05-Dec-2025 00:46:00 01:07:00 0.29 0 .29 3
O3 O3_Prec O3_Prec 05-Dec-2025 04:30:00 04:51:00 0.062 0.063 0.00
O3_Span O3_Span 05-Dec-2025 04:00:00 04:21:00 0.394 0.394 0.00
Zero Zero 05-Dec-2025 00:46:00 01:07:00 0.000 0 0.00
HW CO Zero 05-Dec-2025 00:46:00 01:07:00 0.0 0 -.08 .3
DIFF DIFFPrec DIFFPrec 05-Dec-2025 04:31:00 04:56:00 70.9 74.6 -3.7 3.9
DIFFSpan DIFFSpan 05-Dec-2025 04:00:00 04:25:00 259.3 255.42 3.88 16
NOY_Zero NOY_Zero 05-Dec-2025 02:00:00 02:35:00 0.5 0 .48 3
N500NO Zero Zero 05-Dec-2025 00:46:00 01:07:00 0.010 0 .01 3
N500NO2 Zero 05-Dec-2025 00:46:00 01:07:00 0.631 0 .63 3
N500NOX Zero 05-Dec-2025 00:46:00 01:07:00 0.641 * 0 .64
NO Zero 05-Dec-2025 00:46:00 01:07:00 0.03 0 .03 3
NO2 Zero 05-Dec-2025 00:46:00 01:07:00 0.232 0 .23 3
NOX Zero 05-Dec-2025 00:46:00 01:07:00 0.26 0 .26 3
NOY NOY_Zero NOY_Zero 05-Dec-2025 02:00:00 02:35:00 0.5 0 .49 3
O3 Zero Zero 05-Dec-2025 00:46:00 01:07:00 0.000 0 0.00
SO2TRACE Zero 05-Dec-2025 00:46:00 01:07:00 0.398 0 .4 3
YNO NOY_Zero NOY_Zero 05-Dec-2025 02:00:00 02:35:00 0.0 0 .01 3
LN CO Zero Zero 05-Dec-2025 00:46:00 01:07:00 0.3 * 0 .35 .3
Zero 05-Dec-2025 02:46:00 03:07:00 0.3 * 0 .34 .3
Zero 05-Dec-2025 05:46:00 06:07:00 0.3 * 0 .36 .3
NO Zero 05-Dec-2025 00:46:00 01:07:00 0.17 0 .17 3
Zero 05-Dec-2025 02:46:00 03:07:00 0.12 0 .12 3
Zero 05-Dec-2025 05:46:00 06:07:00 0.14 0 .14 3
NO2 NO2_PREC NO2_PREC 05-Dec-2025 04:30:00 04:51:00 65.840 64 1.84 9.6
NO2_SPAN NO2_SPAN 05-Dec-2025 04:00:00 04:21:00 254.300 245 9.3 23.8
LN NO2 Zero Zero 05-Dec-2025 00:46:00 01:07:00 -0.143 0 -.14 3
Zero 05-Dec-2025 02:46:00 03:07:00 -0.047 0 -.05 3
Zero 05-Dec-2025 05:46:00 06:07:00 -0.018 0 -.02 3
NOX Zero 05-Dec-2025 00:46:00 01:07:00 0.02 0 .02 3
Zero 05-Dec-2025 02:46:00 03:07:00 0.07 0 .07 3
Zero 05-Dec-2025 05:46:00 06:07:00 0.12 0 .12 3
O3 Zero 05-Dec-2025 00:46:00 01:07:00 0.000 0 0.00
Zero 05-Dec-2025 02:46:00 03:07:00 0.000 0 0.00
Zero 05-Dec-2025 05:46:00 06:07:00 0.000 0 0.00
M7 NO NOX_Span NOX_Span 05-Dec-2025 06:29:00 06:50:00 388.90 391 -2.1 39.3
Zero Zero 05-Dec-2025 00:46:00 01:07:00 0.09 0 .09 3
NO2 NO2_Prec NO2_Prec 05-Dec-2025 04:30:00 04:51:00 72.380 71 1.38 10.7
NO2_Span NO2_Span 05-Dec-2025 04:00:00 04:21:00 251.300 248 3.3 26.5
Zero Zero 05-Dec-2025 00:46:00 01:07:00 0.060 0 .06 3
NOX NOX_Span NOX_Span 05-Dec-2025 06:29:00 06:50:00 415.60 415 .6 40.9
Zero Zero 05-Dec-2025 00:46:00 01:07:00 0.15 0 .15 3
O3 Zero 05-Dec-2025 00:46:00 01:07:00 -0.002 0 0.00
NR CO Zero 05-Dec-2025 00:46:00 01:07:00 0.0 0 .01 .3
NO Zero 05-Dec-2025 00:46:00 01:07:00 0.22 0 .22 3
NO2 Zero 05-Dec-2025 00:46:00 01:07:00 0.168 0 .17 3
NOX Zero 05-Dec-2025 00:46:00 01:07:00 0.39 0 .39 3
O3 O3_Prec O3_Prec 05-Dec-2025 04:30:00 04:51:00 0.060 0.0604 0.00
O3_Span O3_Span 05-Dec-2025 04:00:00 04:21:00 0.406 0.4103 0.00
Zero Zero 05-Dec-2025 00:46:00 01:07:00 0.000 0 0.00
P2 NO Zero 05-Dec-2025 00:46:00 01:07:00 -0.07 0 -.07 3
NO2 NO2_Prec NO2_Prec 05-Dec-2025 04:30:00 04:51:00 70.610 70 .61 10.4
NO2_Span NO2_Span 05-Dec-2025 04:00:00 04:21:00 231.300 226 5.3 39.8
Zero Zero 05-Dec-2025 00:46:00 01:07:00 -0.129 0 -.13 3
NOX Zero 05-Dec-2025 00:46:00 01:07:00 -0.20 0 -.2 3
O3 Zero 05-Dec-2025 00:46:00 01:07:00 0.000 0 0.00
RP CO Zero 05-Dec-2025 00:46:00 01:07:00 0.0 0 -.07 .3
RP NO Zero Zero 05-Dec-2025 00:46:00 01:07:00 0.36 0 .36 3
NO2 Zero 05-Dec-2025 00:46:00 01:07:00 -0.060 0 -.06 3
NOX Zero 05-Dec-2025 00:46:00 01:07:00 0.30 0 .3 3
O3 Zero 05-Dec-2025 00:46:00 01:07:00 0.000 0 0.00
SO2 Zero 05-Dec-2025 00:46:00 01:07:00 0.462 0 .46 3
RS NO2TRACE NO2_Prec NO2_Prec 05-Dec-2025 04:30:00 04:51:00 51.530 52 -.47 9.7
NO2_Span NO2_Span 05-Dec-2025 04:00:00 04:21:00 164.600 158 6.6 21.7
ZERO ZERO 05-Dec-2025 00:46:00 01:07:00 0.080 0 .08 3
NOTRACE ZERO 05-Dec-2025 00:46:00 01:07:00 0.4 0 .35 3
NOXTRACE ZERO 05-Dec-2025 00:46:00 01:07:00 0.4 0 .43 3
SF NO Zero Zero 05-Dec-2025 00:46:00 01:07:00 0.12 0 .12 3
NO2 NO2_Prec NO2_Prec 05-Dec-2025 04:30:00 04:51:00 66.250 64 2.25 8.9
NO2_Span NO2_Span 05-Dec-2025 04:00:00 04:21:00 273.800 263 10.8 25.3
Zero Zero 05-Dec-2025 00:46:00 01:07:00 0.069 0 .07 3
NOX Zero 05-Dec-2025 00:46:00 01:07:00 0.19 0 .19 3
O3 Zero 05-Dec-2025 00:46:00 01:07:00 -0.001 0 0.00
SM NO Zero 05-Dec-2025 00:46:00 01:07:00 0.11 0 .11 3
NO2 NO2_Prec NO2_Prec 05-Dec-2025 04:30:00 04:51:00 74.680 74 .68 9.8
NO2_Span NO2_Span 05-Dec-2025 04:00:00 04:21:00 258.400 256 2.4 26.6
Zero Zero 05-Dec-2025 00:46:00 01:07:00 0.001 0 0.00 3
NOX Zero 05-Dec-2025 00:46:00 01:07:00 0.11 0 .11 3
O3 Zero 05-Dec-2025 00:46:00 01:07:00 -0.001 0 0.00
UT CO Zero 05-Dec-2025 00:46:00 01:07:00 0.2 0 .29 .3
NO Zero 05-Dec-2025 00:46:00 01:07:00 -0.005 0 -.01 3
NO2 NO2_Prec NO2_Prec 05-Dec-2025 04:30:00 04:51:00 66.080 74 -7.92 10.2
NO2_Span NO2_Span 05-Dec-2025 04:00:00 04:21:00 259.900 263 -3.1 26.5
Zero Zero 05-Dec-2025 00:46:00 01:07:00 0.141 0 .14 3
NOX Zero 05-Dec-2025 00:46:00 01:07:00 0.136 0 .14 3
O3 Zero 05-Dec-2025 00:46:00 01:07:00 0.0 0 0.00
SO2 Zero 05-Dec-2025 00:46:00 01:07:00 0.208 0 .21 3
V4 NO Zero 05-Dec-2025 00:46:00 01:07:00 0.05 0 .05 3
V4 NO2 NO2_Prec NO2_Prec 05-Dec-2025 04:30:00 04:51:00 69.17 74 -4.83 9.8
NO2_Span NO2_Span 05-Dec-2025 04:00:00 04:21:00 261.50 264 -2.5 26.5
Zero Zero 05-Dec-2025 00:46:00 01:07:00 0.04 0 .04 3
NOX Zero 05-Dec-2025 00:46:00 01:07:00 0.09 0 .09 3
O3 Zero 05-Dec-2025 00:46:00 01:07:00 -0.002 0 0.00
* - Drift limit exceeded
** - Out of control limit exceeded

Yesterday’s Report: calibrations2025-12-04.CSV

Site Parameter Sequence Phase Start Time End Time Value Expected Value Error Drift Warning Limit
BV NO Zero Zero 04-Dec-2025 00:46:00 01:07:00 0.14 0 .14 3
NO2 Zero 04-Dec-2025 00:46:00 01:07:00 -0.160 0 -.16 3
NOX Zero 04-Dec-2025 00:46:00 01:07:00 -0.02 0 -.02 3
O3 Zero 04-Dec-2025 00:46:00 01:07:00 0.000 0 0.00
CV CO Zero 04-Dec-2025 00:46:00 01:07:00 0.1 0 .11 .3
NO Zero 04-Dec-2025 00:46:00 01:07:00 0.05 0 .05 3
NO2 Zero 04-Dec-2025 00:46:00 01:07:00 -0.016 0 -.02 3
NOX Zero 04-Dec-2025 00:46:00 01:07:00 0.03 0 .03 3
O3 Zero 04-Dec-2025 00:46:00 01:07:00 0.001 0 0.00
SO2 Zero 04-Dec-2025 00:46:00 01:07:00 0.376 0 .38 3
ED NO Zero 04-Dec-2025 00:46:00 01:07:00 -0.01 0 -.01 3
NO2 Zero 04-Dec-2025 00:46:00 01:07:00 0.085 0 .09 3
NOX Zero 04-Dec-2025 00:46:00 01:07:00 0.07 0 .07 3
O3 Zero 04-Dec-2025 00:46:00 01:07:00 0.000 0 0.00
EN NO Zero 04-Dec-2025 00:46:00 01:07:00 -0.06 0 -.06 3
NO2 Zero 04-Dec-2025 00:46:00 01:07:00 0.028 0 .03 3
NOX Zero 04-Dec-2025 00:46:00 01:07:00 -0.03 0 -.03 3
O3 Zero 04-Dec-2025 00:46:00 01:07:00 0.000 0 0.00
H3 NO Zero 04-Dec-2025 00:46:00 01:07:00 -0.03 0 -.03 3
NO2 Zero 04-Dec-2025 00:46:00 01:07:00 0.098 0 .1 3
NOX Zero 04-Dec-2025 00:46:00 01:07:00 0.07 0 .07 3
O3 Zero 04-Dec-2025 00:46:00 01:07:00 0.000 0 0.00
HC NO NOX_Span NOX_Span 04-Dec-2025 04:00:00 04:21:00 358.70 376 -17.3 43.1
Zero Zero 04-Dec-2025 00:46:00 01:07:00 0.04 0 .04 3
NO2 Zero 04-Dec-2025 00:46:00 01:07:00 -0.146 0 -.15 3
NOX NOX_Span NOX_Span 04-Dec-2025 04:00:00 04:21:00 376.80 387 -10.2 43.2
Zero Zero 04-Dec-2025 00:46:00 01:07:00 -0.11 0 -.11 3
O3 Zero 04-Dec-2025 00:46:00 01:07:00 0.000 0 0.00
HV CO Zero 04-Dec-2025 00:46:00 01:07:00 0.1 0 .18 .3
NO Zero 04-Dec-2025 00:46:00 01:07:00 0.20 0 .2 3
NO2 Zero 04-Dec-2025 00:46:00 01:07:00 0.074 0 .07 3
NOX Zero 04-Dec-2025 00:46:00 01:07:00 0.28 0 .28 3
HV O3 Zero Zero 04-Dec-2025 00:46:00 01:07:00 0.000 0 0.00
HW CO Zero 04-Dec-2025 00:46:00 01:07:00 0.0 0 -.06 .3
DIFF NOY_Zero NOY_Zero 04-Dec-2025 02:00:00 02:35:00 0.6 0 .63 3
N500NO Zero Zero 04-Dec-2025 00:46:00 01:07:00 -0.059 0 -.06 3
N500NO2 Zero 04-Dec-2025 00:46:00 01:07:00 0.600 0 .6 3
N500NOX Zero 04-Dec-2025 00:46:00 01:07:00 0.541 * 0 .54
NO Zero 04-Dec-2025 00:46:00 01:07:00 0.00 0 0.00 3
NO2 Zero 04-Dec-2025 00:46:00 01:07:00 0.172 0 .17 3
NOX Zero 04-Dec-2025 00:46:00 01:07:00 0.17 0 .17 3
NOY NOY_Zero NOY_Zero 04-Dec-2025 02:00:00 02:35:00 0.6 0 .65 3
NOYNOSpa NOYNOSpa 04-Dec-2025 04:00:00 04:21:00 446.2 448 -1.8 18.3
O3 Zero Zero 04-Dec-2025 00:46:00 01:07:00 0.000 0 0.00
SO2TRACE Zero 04-Dec-2025 00:46:00 01:07:00 0.366 0 .37 3
YNO NOY_Zero NOY_Zero 04-Dec-2025 02:00:00 02:35:00 0.0 0 .02 3
NOYNOSpa NOYNOSpa 04-Dec-2025 04:00:00 04:21:00 435.7 442.62 -6.92 18
LN CO Zero Zero 04-Dec-2025 00:46:00 01:07:00 0.3 * 0 .32 .3
Zero 04-Dec-2025 02:46:00 03:07:00 0.3 * 0 .32 .3
Zero 04-Dec-2025 04:46:00 05:07:00 0.3 * 0 .33 .3
NO Zero 04-Dec-2025 00:46:00 01:07:00 0.02 0 .02 3
Zero 04-Dec-2025 02:46:00 03:07:00 0.08 0 .08 3
Zero 04-Dec-2025 04:46:00 05:07:00 0.22 0 .22 3
NO2 Zero 04-Dec-2025 00:46:00 01:07:00 -0.038 0 -.04 3
Zero 04-Dec-2025 02:46:00 03:07:00 -0.018 0 -.02 3
Zero 04-Dec-2025 04:46:00 05:07:00 -0.072 0 -.07 3
NOX Zero 04-Dec-2025 00:46:00 01:07:00 -0.01 0 -.01 3
Zero 04-Dec-2025 02:46:00 03:07:00 0.07 0 .07 3
Zero 04-Dec-2025 04:46:00 05:07:00 0.14 0 .15 3
O3 Zero 04-Dec-2025 00:46:00 01:07:00 0.000 0 0.00
Zero 04-Dec-2025 02:46:00 03:07:00 0.000 0 0.00
Zero 04-Dec-2025 04:46:00 05:07:00 0.000 0 0.00
M7 NO Zero 04-Dec-2025 00:46:00 01:07:00 0.25 0 .25 3
M7 NO2 Zero Zero 04-Dec-2025 00:46:00 01:07:00 -0.077 0 -.08 3
NOX Zero 04-Dec-2025 00:46:00 01:07:00 0.17 0 .17 3
O3 Zero 04-Dec-2025 00:46:00 01:07:00 -0.002 0 0.00
NR CO Zero 04-Dec-2025 00:46:00 01:07:00 0.0 0 .01 .3
NO Zero 04-Dec-2025 00:46:00 01:07:00 0.20 0 .2 3
NO2 Zero 04-Dec-2025 00:46:00 01:07:00 0.039 0 .04 3
NOX Zero 04-Dec-2025 00:46:00 01:07:00 0.24 0 .24 3
O3 Zero 04-Dec-2025 00:46:00 01:07:00 0.000 0 0.00
P2 NO Zero 04-Dec-2025 00:46:00 01:07:00 0.08 0 .08 3
NO2 Zero 04-Dec-2025 00:46:00 01:07:00 -0.148 0 -.15 3
NOX Zero 04-Dec-2025 00:46:00 01:07:00 -0.07 0 -.07 3
O3 O3_Prec O3_Prec 04-Dec-2025 04:30:00 04:51:00 0.067 0.067 0.00
O3_Span O3_Span 04-Dec-2025 04:00:00 04:21:00 0.402 0.403 0.00
Zero Zero 04-Dec-2025 00:46:00 01:07:00 0.000 0 0.00
RP CO Zero 04-Dec-2025 00:46:00 01:07:00 0.0 0 -.06 .3
NO Zero 04-Dec-2025 00:46:00 01:07:00 0.24 0 .24 3
NO2 Zero 04-Dec-2025 00:46:00 01:07:00 -0.109 0 -.11 3
NOX Zero 04-Dec-2025 00:46:00 01:07:00 0.13 0 .13 3
O3 Zero 04-Dec-2025 00:46:00 01:07:00 -0.001 0 0.00
SO2 Zero 04-Dec-2025 00:46:00 01:07:00 0.571 0 .57 3
RS NO2TRACE ZERO ZERO 04-Dec-2025 00:46:00 01:07:00 0.042 0 .04 3
NOTRACE ZERO 04-Dec-2025 00:46:00 01:07:00 0.3 0 .3 3
NOXTRACE ZERO 04-Dec-2025 00:46:00 01:07:00 0.3 0 .34 3
SF NO Zero Zero 04-Dec-2025 00:46:00 01:07:00 0.10 0 .1 3
NO2 Zero 04-Dec-2025 00:46:00 01:07:00 0.070 0 .07 3
NOX Zero 04-Dec-2025 00:46:00 01:07:00 0.17 0 .17 3
O3 Zero 04-Dec-2025 00:46:00 01:07:00 -0.001 0 0.00
SM NO Zero 04-Dec-2025 00:46:00 01:07:00 0.03 0 .03 3
NO2 Zero 04-Dec-2025 00:46:00 01:07:00 0.067 0 .07 3
NOX Zero 04-Dec-2025 00:46:00 01:07:00 0.09 0 .09 3
O3 Zero 04-Dec-2025 00:46:00 01:07:00 -0.002 0 0.00
UT CO Zero Zero 04-Dec-2025 00:46:00 01:07:00 0.1 0 .17 .3
NO NOX_Span NOX_Span 04-Dec-2025 04:00:00 04:21:00 3.525 * 408 -404.48 40.7
Zero Zero 04-Dec-2025 00:46:00 01:07:00 0.006 0 .01 3
NO2 Zero 04-Dec-2025 00:46:00 01:07:00 0.064 0 .06 3
NOX NOX_Span NOX_Span 04-Dec-2025 04:00:00 04:21:00 23.050 * 414 -390.95 41
Zero Zero 04-Dec-2025 00:46:00 01:07:00 0.070 0 .07 3
O3 Zero 04-Dec-2025 00:46:00 01:07:00 0.0 0 0.00
SO2 Zero 04-Dec-2025 00:46:00 01:07:00 0.115 0 .12 3
V4 NO Zero 04-Dec-2025 00:46:00 01:07:00 -0.05 0 -.05 3
NO2 Zero 04-Dec-2025 00:46:00 01:07:00 -0.08 0 -.08 3
NOX Zero 04-Dec-2025 00:46:00 01:07:00 -0.13 0 -.13 3
O3 Zero 04-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