Latest Calibration Reports

Today’s Report: calibrations2026-10-19.CSV

Site Parameter Sequence Phase Start Time End Time Value Expected Value Error Drift Warning Limit
BV NO Zero Zero 19-Oct-2026 00:46:00 01:07:00 0.14 0 .14 3
NO2 Zero 19-Oct-2026 00:46:00 01:07:00 -0.018 0 -.02 3
NOX Zero 19-Oct-2026 00:46:00 01:07:00 0.12 0 .12 3
O3 Zero 19-Oct-2026 00:46:00 01:07:00 0.000 0 0.00
CV CO Zero 19-Oct-2026 00:46:00 01:07:00 0.0 0 .06 .3
NO Zero 19-Oct-2026 00:46:00 01:07:00 -0.17 0 -.17 3
NO2 Zero 19-Oct-2026 00:46:00 01:07:00 -0.095 0 -.1 3
NOX Zero 19-Oct-2026 00:46:00 01:07:00 -0.27 0 -.27 3
O3 Zero 19-Oct-2026 00:46:00 01:07:00 0.000 0 0.00
SO2 SO2_Prec SO2_Prec 19-Oct-2026 04:30:00 04:50:00 65.510 * 65 .51
SO2_Span SO2_Span 19-Oct-2026 04:00:00 04:20:00 401.000 * 397 4
Zero Zero 19-Oct-2026 00:46:00 01:07:00 0.379 0 .38 3
ED NO Zero 19-Oct-2026 00:46:00 01:07:00 0.06 0 .06 3
NO2 Zero 19-Oct-2026 00:46:00 01:07:00 0.032 0 .03 3
NOX Zero 19-Oct-2026 00:46:00 01:07:00 0.09 0 .09 3
O3 Zero 19-Oct-2026 00:46:00 01:07:00 0.000 0 0.00
EN NO NOX_Span NOX_Span 19-Oct-2026 04:00:00 04:21:00 388.80 396 -7.2 42.9
Zero Zero 19-Oct-2026 00:46:00 01:07:00 0.00 0 0.00 3
NO2 Zero 19-Oct-2026 00:46:00 01:07:00 0.148 0 .15 3
NOX NOX_Span NOX_Span 19-Oct-2026 04:00:00 04:21:00 434.90 433 1.9 43.2
Zero Zero 19-Oct-2026 00:46:00 01:07:00 0.15 0 .15 3
O3 Zero 19-Oct-2026 00:46:00 01:07:00 0.000 0 0.00
H3 NO NOX_Span NOX_Span 19-Oct-2026 04:00:00 04:21:00 399.90 403 -3.1 41.2
Zero Zero 19-Oct-2026 00:46:00 01:07:00 -0.04 0 -.04 3
NO2 Zero 19-Oct-2026 00:46:00 01:07:00 -0.079 0 -.08 3
NOX NOX_Span NOX_Span 19-Oct-2026 04:00:00 04:21:00 399.80 403 -3.2 41.2
Zero Zero 19-Oct-2026 00:46:00 01:07:00 -0.12 0 -.12 3
O3 Zero 19-Oct-2026 00:46:00 01:07:00 0.000 0 0.00
HC NO Zero 19-Oct-2026 00:46:00 01:07:00 0.18 0 .18 3
NO2 Zero 19-Oct-2026 00:46:00 01:07:00 -0.269 0 -.27 3
NOX Zero 19-Oct-2026 00:46:00 01:07:00 -0.09 0 -.09 3
O3 Zero 19-Oct-2026 00:46:00 01:07:00 0.000 0 0.00
HV CO CO_Prec CO_Prec 19-Oct-2026 04:30:00 04:51:00 4.1 4 .18 .4
CO_Span CO_Span 19-Oct-2026 04:00:00 04:21:00 40.2 40.1 .18 3.9
Zero Zero 19-Oct-2026 00:46:00 01:07:00 0.1 0 .15 .3
NO Zero 19-Oct-2026 00:46:00 01:07:00 0.07 0 .07 3
NO2 Zero 19-Oct-2026 00:46:00 01:07:00 0.160 0 .16 3
NOX Zero 19-Oct-2026 00:46:00 01:07:00 0.23 0 .23 3
O3 Zero 19-Oct-2026 00:46:00 01:07:00 0.000 0 0.00
HW CO CO_Prec CO_Prec 19-Oct-2026 05:30:00 05:51:00 1.9 2.03 -.09 .1
CO_Span CO_Span 19-Oct-2026 05:00:00 05:21:00 7.9 * 7.99 -.09
Zero Zero 19-Oct-2026 00:46:00 01:07:00 -0.1 0 -.14 .3
DIFF NOY_Zero NOY_Zero 19-Oct-2026 02:00:00 02:35:00 -0.3 0 -.35 3
N500NO Zero Zero 19-Oct-2026 00:46:00 01:07:00 0.261 0 .26 3
N500NO2 Zero 19-Oct-2026 00:46:00 01:07:00 0.292 0 .29 3
N500NOX Zero 19-Oct-2026 00:46:00 01:07:00 0.553 * 0 .55
NO Zero 19-Oct-2026 00:46:00 01:07:00 0.09 0 .09 3
NO2 Zero 19-Oct-2026 00:46:00 01:07:00 0.029 0 .03 3
NOX Zero 19-Oct-2026 00:46:00 01:07:00 0.12 0 .12 3
NOY NOY_Zero NOY_Zero 19-Oct-2026 02:00:00 02:35:00 -0.4 0 -.38 3
O3 Zero Zero 19-Oct-2026 00:46:00 01:07:00 0.000 0 0.00
SO2TRACE Zero 19-Oct-2026 00:46:00 01:07:00 0.730 0 .73 3
YNO NOY_Zero NOY_Zero 19-Oct-2026 02:00:00 02:35:00 0.0 0 -.03 3
LN CO CO_Prec CO_Prec 19-Oct-2026 04:30:00 04:51:00 4.0 3.9 .15 .4
CO_Span CO_Span 19-Oct-2026 04:00:00 04:21:00 43.4 43.3 .18 4.2
Zero Zero 19-Oct-2026 00:46:00 01:07:00 0.1 0 .19 .3
NO Zero 19-Oct-2026 00:46:00 01:07:00 0.05 0 .05 3
NO2 Zero 19-Oct-2026 00:46:00 01:07:00 -0.197 0 -.2 3
NOX Zero 19-Oct-2026 00:46:00 01:07:00 -0.15 0 -.15 3
O3 Zero 19-Oct-2026 00:46:00 01:07:00 -0.001 0 0.00
M7 NO Zero 19-Oct-2026 00:46:00 01:07:00 0.37 0 .37 3
NO2 Zero 19-Oct-2026 00:46:00 01:07:00 0.037 0 .04 3
NOX Zero 19-Oct-2026 00:46:00 01:07:00 0.40 0 .4 3
M7 O3 Zero Zero 19-Oct-2026 00:46:00 01:07:00 0.000 0 0.00
NR CO Zero 19-Oct-2026 00:46:00 01:07:00 -0.2 0 -.25 .3
NO Zero 19-Oct-2026 00:46:00 01:07:00 -0.02 0 -.02 3
NO2 NO2_Prec NO2_Prec 19-Oct-2026 04:31:00 04:57:00 74.040 72 2.04 10.8
NO2_Span NO2_Span 19-Oct-2026 04:00:00 04:26:00 268.000 262 6 29.7
Zero Zero 19-Oct-2026 00:46:00 01:07:00 0.155 0 .16 3
NOX Zero 19-Oct-2026 00:46:00 01:07:00 0.14 0 .14 3
O3 Zero 19-Oct-2026 00:46:00 01:07:00 -0.001 0 0.00
P2 NO Zero 19-Oct-2026 00:46:00 01:07:00 0.83 0 .83 3
NO2 Zero 19-Oct-2026 00:46:00 01:07:00 -0.140 0 -.14 3
NOX Zero 19-Oct-2026 00:46:00 01:07:00 0.69 0 .69 3
O3 Zero 19-Oct-2026 00:46:00 01:07:00 0.000 0 0.00
RP CO Zero 19-Oct-2026 00:46:00 01:07:00 0.0 0 -.1 .3
NO Zero 19-Oct-2026 00:46:00 01:07:00 -0.05 0 -.05 3
NO2 NO2_Prec NO2_Prec 19-Oct-2026 04:30:00 04:51:00 63.260 62 1.26 9.9
NO2_Span NO2_Span 19-Oct-2026 04:00:00 04:21:00 234.700 230 4.7 24.5
Zero Zero 19-Oct-2026 00:46:00 01:07:00 -0.037 0 -.04 3
NOX Zero 19-Oct-2026 00:46:00 01:07:00 -0.09 0 -.09 3
O3 Zero 19-Oct-2026 00:46:00 01:07:00 0.000 0 0.00
SO2 Zero 19-Oct-2026 00:46:00 01:07:00 -0.462 0 -.46 3
RS NO2TRACE ZERO ZERO 19-Oct-2026 00:46:00 01:07:00 -1.537 0 -1.54 3
NOTRACE ZERO 19-Oct-2026 00:46:00 01:07:00 0.0 0 .04 3
NOXTRACE ZERO 19-Oct-2026 00:46:00 01:07:00 -1.5 0 -1.5 3
SF NO Zero Zero 19-Oct-2026 00:46:00 01:07:00 0.00 0 0.00 3
NO2 Zero 19-Oct-2026 00:46:00 01:07:00 0.012 0 .01 3
NOX Zero 19-Oct-2026 00:46:00 01:07:00 0.01 0 .01 3
O3 Zero 19-Oct-2026 00:46:00 01:07:00 0.000 0 0.00
SM NO Zero 19-Oct-2026 00:46:00 01:07:00 0.03 0 .03 3
NO2 Zero 19-Oct-2026 00:46:00 01:07:00 -1.179 0 -1.18 3
NOX Zero 19-Oct-2026 00:46:00 01:07:00 -1.15 0 -1.15 3
O3 Zero 19-Oct-2026 00:46:00 01:07:00 0.000 0 0.00
UT CO Zero Zero 19-Oct-2026 00:46:00 01:07:00 0.0 0 .08 .3
NO Zero 19-Oct-2026 00:46:00 01:07:00 -0.053 0 -.05 3
NO2 Zero 19-Oct-2026 00:46:00 01:07:00 0.051 0 .05 3
NOX Zero 19-Oct-2026 00:46:00 01:07:00 -0.003 0 0.00 3
O3 Zero 19-Oct-2026 00:46:00 01:07:00 0.0 0 0.00
SO2 SO2_Prec SO2_Prec 19-Oct-2026 04:30:00 04:51:00 62.860 63 -.14 6.2
SO2_Span SO2_Span 19-Oct-2026 04:00:00 04:21:00 390.000 390 0.00 37
Zero Zero 19-Oct-2026 00:46:00 01:07:00 0.613 0 .61 3
V4 NO Zero 19-Oct-2026 00:46:00 01:07:00 -0.04 0 -.04 3
NO2 Zero 19-Oct-2026 00:46:00 01:07:00 0.16 0 .16 3
NOX Zero 19-Oct-2026 00:46:00 01:07:00 0.12 0 .12 3
O3 Zero 19-Oct-2026 00:46:00 01:07:00 0.000 0 0.00
* - Drift limit exceeded
** - Out of control limit exceeded

Yesterday’s Report: calibrations2026-10-18.CSV

Site Parameter Sequence Phase Start Time End Time Value Expected Value Error Drift Warning Limit
BV NO NOX_Span NOX_Span 18-Oct-2026 04:00:00 04:20:00 381.40 383 -1.6 41.5
Zero Zero 18-Oct-2026 00:46:00 01:07:00 -0.01 0 -.01 3
NO2 Zero 18-Oct-2026 00:46:00 01:07:00 -0.048 0 -.05 3
NOX NOX_Span NOX_Span 18-Oct-2026 04:00:00 04:20:00 389.50 390 -.5 41.8
Zero Zero 18-Oct-2026 00:46:00 01:07:00 -0.06 0 -.06 3
O3 Zero 18-Oct-2026 00:46:00 01:07:00 0.000 0 0.00
CV CO Zero 18-Oct-2026 00:46:00 01:07:00 0.0 0 .06 .3
NO NOX_Span NOX_Span 18-Oct-2026 04:00:00 04:21:00 325.20 344 -18.8 42.5
Zero Zero 18-Oct-2026 00:46:00 01:07:00 -0.06 0 -.06 3
NO2 Zero 18-Oct-2026 00:46:00 01:07:00 -0.075 0 -.08 3
NOX NOX_Span NOX_Span 18-Oct-2026 04:00:00 04:21:00 333.40 363 -29.6 42.5
Zero Zero 18-Oct-2026 00:46:00 01:07:00 -0.14 0 -.14 3
O3 Zero 18-Oct-2026 00:46:00 01:07:00 0.000 0 0.00
SO2 Zero 18-Oct-2026 00:46:00 01:07:00 0.214 0 .21 3
ED NO NOX_Span NOX_Span 18-Oct-2026 04:00:00 04:21:00 374.00 385 -11 41.9
Zero Zero 18-Oct-2026 00:46:00 01:07:00 0.06 0 .06 3
NO2 Zero 18-Oct-2026 00:46:00 01:07:00 0.110 0 .11 3
NOX NOX_Span NOX_Span 18-Oct-2026 04:00:00 04:21:00 387.60 392 -4.4 41.9
Zero Zero 18-Oct-2026 00:46:00 01:07:00 0.17 0 .17 3
O3 Zero 18-Oct-2026 00:46:00 01:07:00 0.000 0 0.00
EN NO Zero 18-Oct-2026 00:46:00 01:07:00 -0.42 0 -.42 3
NO2 NO2_Prec NO2_Prec 18-Oct-2026 04:36:00 04:57:00 70.390 69 1.39 10.5
NO2_Span NO2_Span 18-Oct-2026 04:00:00 04:21:00 282.900 283 -.1 27.8
Zero Zero 18-Oct-2026 00:46:00 01:07:00 0.149 0 .15 3
NOX Zero 18-Oct-2026 00:46:00 01:07:00 -0.27 0 -.27 3
O3 Zero 18-Oct-2026 00:46:00 01:07:00 0.000 0 0.00
H3 NO Zero 18-Oct-2026 00:46:00 01:07:00 -0.23 0 -.23 3
NO2 NO2_Prec NO2_Prec 18-Oct-2026 04:30:00 04:51:00 65.600 62 3.6 9.9
NO2_Span NO2_Span 18-Oct-2026 04:00:00 04:20:00 234.200 236 -1.8 28.2
Zero Zero 18-Oct-2026 00:46:00 01:07:00 0.040 0 .04 3
NOX Zero 18-Oct-2026 00:46:00 01:07:00 -0.19 0 -.19 3
O3 Zero 18-Oct-2026 00:46:00 01:07:00 0.000 0 0.00
HC NO Zero Zero 18-Oct-2026 00:46:00 01:07:00 0.24 0 .24 3
NO2 Zero 18-Oct-2026 00:46:00 01:07:00 -0.403 0 -.4 3
NOX Zero 18-Oct-2026 00:46:00 01:07:00 -0.16 0 -.16 3
O3 Zero 18-Oct-2026 00:46:00 01:07:00 0.000 0 0.00
HV CO Zero 18-Oct-2026 00:46:00 01:07:00 0.1 0 .16 .3
NO Zero 18-Oct-2026 00:46:00 01:07:00 0.04 0 .04 3
NO2 NO2_Prec NO2_Prec 18-Oct-2026 04:30:00 04:51:00 72.350 73 -.65 10.5
NO2_Span NO2_Span 18-Oct-2026 04:00:00 04:21:00 265.400 264 1.4 25.6
Zero Zero 18-Oct-2026 00:46:00 01:07:00 0.153 0 .15 3
NOX Zero 18-Oct-2026 00:46:00 01:07:00 0.20 0 .2 3
O3 Zero 18-Oct-2026 00:46:00 01:07:00 0.000 0 0.00
HW CO Zero 18-Oct-2026 00:46:00 01:07:00 -0.1 0 -.17 .3
DIFF NOY_Zero NOY_Zero 18-Oct-2026 02:00:00 02:35:00 -0.3 0 -.31 3
N500NO Zero Zero 18-Oct-2026 00:46:00 01:07:00 0.391 0 .39 3
N500NO2 Zero 18-Oct-2026 00:46:00 01:07:00 0.278 0 .28 3
N500NOX Zero 18-Oct-2026 00:46:00 01:07:00 0.669 * 0 .67
NO NOX_Span NOX_Span 18-Oct-2026 04:00:00 04:21:00 438.40 439.6 -1.2 44.5
Zero Zero 18-Oct-2026 00:46:00 01:07:00 0.13 0 .13 3
NO2 Zero 18-Oct-2026 00:46:00 01:07:00 0.040 0 .04 3
NOX NOX_Span NOX_Span 18-Oct-2026 04:00:00 04:21:00 448.80 447.4 1.4 44.1
Zero Zero 18-Oct-2026 00:46:00 01:07:00 0.17 0 .17 3
NOY NOY_Zero NOY_Zero 18-Oct-2026 02:00:00 02:35:00 -0.4 0 -.35 3
O3 Zero Zero 18-Oct-2026 00:46:00 01:07:00 0.000 0 0.00
SO2TRACE Zero 18-Oct-2026 00:46:00 01:07:00 0.777 0 .78 3
YNO NOY_Zero NOY_Zero 18-Oct-2026 02:00:00 02:35:00 0.0 0 -.04 3
LN CO Zero Zero 18-Oct-2026 00:46:00 01:07:00 0.1 0 .19 .3
NO Zero 18-Oct-2026 00:46:00 01:07:00 -0.08 0 -.08 3
NO2 Zero 18-Oct-2026 00:46:00 01:07:00 -0.088 0 -.09 3
NOX Zero 18-Oct-2026 00:46:00 01:07:00 -0.17 0 -.17 3
O3 O3_Prec O3_Prec 18-Oct-2026 04:30:00 04:51:00 0.063 0.064 0.00
O3_Span O3_Span 18-Oct-2026 04:00:00 04:21:00 0.398 0.397 0.00
LN O3 Zero Zero 18-Oct-2026 00:46:00 01:07:00 -0.001 0 0.00
M7 NO NOX_Span NOX_Span 18-Oct-2026 04:00:00 04:21:00 384.20 392 -7.8 39.3
Zero Zero 18-Oct-2026 00:46:00 01:07:00 0.40 0 .4 3
NO2 Zero 18-Oct-2026 00:46:00 01:07:00 0.016 0 .02 3
NOX NOX_Span NOX_Span 18-Oct-2026 04:00:00 04:21:00 388.00 395 -7 40.9
Zero Zero 18-Oct-2026 00:46:00 01:07:00 0.41 0 .41 3
O3 Zero 18-Oct-2026 00:46:00 01:07:00 0.000 0 0.00
NR CO Zero 18-Oct-2026 00:46:00 01:07:00 -0.2 0 -.25 .3
NO NOX_Span NOX_Span 18-Oct-2026 04:00:00 04:21:00 387.90 393 -5.1 41.1
Zero Zero 18-Oct-2026 00:46:00 01:07:00 -0.03 0 -.03 3
NO2 Zero 18-Oct-2026 00:46:00 01:07:00 0.169 0 .17 3
NOX NOX_Span NOX_Span 18-Oct-2026 04:00:00 04:21:00 410.40 411 -.6 41.7
Zero Zero 18-Oct-2026 00:46:00 01:07:00 0.14 0 .14 3
O3 Zero 18-Oct-2026 00:46:00 01:07:00 0.000 0 0.00
P2 NO Zero 18-Oct-2026 00:46:00 01:07:00 0.74 0 .74 3
NO2 Zero 18-Oct-2026 00:46:00 01:07:00 -0.097 0 -.1 3
NOX Zero 18-Oct-2026 00:46:00 01:07:00 0.64 0 .64 3
O3 Zero 18-Oct-2026 00:46:00 01:07:00 0.001 0 0.00
RP CO Zero 18-Oct-2026 00:46:00 01:07:00 0.0 0 -.09 .3
NO Zero 18-Oct-2026 00:46:00 01:07:00 -0.01 0 -.01 3
NO2 Zero 18-Oct-2026 00:46:00 01:07:00 -0.134 0 -.13 3
NOX Zero 18-Oct-2026 00:46:00 01:07:00 -0.14 0 -.14 3
O3 O3_Prec O3_Prec 18-Oct-2026 04:30:00 04:51:00 0.065 0.066 0.00
O3_Span O3_Span 18-Oct-2026 04:00:00 04:21:00 0.402 0.402 0.00
Zero Zero 18-Oct-2026 00:46:00 01:07:00 0.000 0 0.00
SO2 Zero 18-Oct-2026 00:46:00 01:07:00 -0.533 0 -.53 3
RS NO2TRACE ZERO ZERO 18-Oct-2026 00:46:00 01:07:00 -1.479 0 -1.48 3
NOTRACE ZERO 18-Oct-2026 00:46:00 01:07:00 0.1 0 .08 3
NOXTRACE ZERO 18-Oct-2026 00:46:00 01:07:00 -1.4 0 -1.4 3
SF NO NOX_Span NOX_Span 18-Oct-2026 04:00:00 04:21:00 423.60 430 -6.4 46.2
Zero Zero 18-Oct-2026 00:46:00 01:07:00 -0.06 0 -.06 3
SF NO2 Zero Zero 18-Oct-2026 00:46:00 01:07:00 0.071 0 .07 3
NOX NOX_Span NOX_Span 18-Oct-2026 04:00:00 04:21:00 438.10 443 -4.9 45.9
Zero Zero 18-Oct-2026 00:46:00 01:07:00 0.02 0 .02 3
O3 Zero 18-Oct-2026 00:46:00 01:07:00 0.000 0 0.00
SM NO Zero 18-Oct-2026 00:46:00 01:07:00 0.21 0 .21 3
NO2 Zero 18-Oct-2026 00:46:00 01:07:00 -1.165 0 -1.17 3
NOX Zero 18-Oct-2026 00:46:00 01:07:00 -0.95 0 -.95 3
O3 O3_Prec O3_Prec 18-Oct-2026 04:30:00 04:51:00 0.062 0.06425 0.00
O3_Span O3_Span 18-Oct-2026 04:00:00 04:21:00 0.379 0.3896 -.01
Zero Zero 18-Oct-2026 00:46:00 01:07:00 0.000 0 0.00
UT CO CO_Prec CO_Prec 18-Oct-2026 04:30:00 04:51:00 4.1 4.1 .07 .4
CO_Span CO_Span 18-Oct-2026 04:00:00 04:21:00 39.9 39.7 .25 4.1
Zero Zero 18-Oct-2026 00:46:00 01:07:00 0.0 0 .06 .3
NO Zero 18-Oct-2026 00:46:00 01:07:00 -0.092 0 -.09 3
NO2 Zero 18-Oct-2026 00:46:00 01:07:00 0.055 0 .06 3
NOX Zero 18-Oct-2026 00:46:00 01:07:00 -0.037 0 -.04 3
O3 Zero 18-Oct-2026 00:46:00 01:07:00 0.0 0 0.00
SO2 Zero 18-Oct-2026 00:46:00 01:07:00 0.729 0 .73 3
V4 NO Zero 18-Oct-2026 00:46:00 01:07:00 0.10 0 .1 3
NO2 Zero 18-Oct-2026 00:46:00 01:07:00 0.05 0 .05 3
NOX Zero 18-Oct-2026 00:46:00 01:07:00 0.15 0 .15 3
O3 O3_Prec O3_Prec 18-Oct-2026 04:30:00 04:51:00 0.070 0.068 0.00
O3_Span O3_Span 18-Oct-2026 04:00:00 04:21:00 0.406 0.402 0.00
Zero Zero 18-Oct-2026 00:46:00 01:07:00 0.000 0 0.00
* - Drift limit exceeded
** - Out of control limit exceeded

First Report: calibrations2020-03-26.PDF